I'm new in java program... ineed help

i need to post a table to a web page from database using java..
these are the parameters given by my boss.. pls help...
SELECT DISTINCT PROD_GRP,
NVL(SHIPPED,0) AS SHIPPED,
NVL(NET_SCRAP,0) AS NET_SCRAP,
ROUND(NVL(TOTAL_ASSY,0),2) AS TOTAL_ASSY,
ROUND(NVL(TEST_YLD,0),2) AS TEST_YLD,
ROUND(NVL("CONT%",0),2) AS CONT_PS,
ROUND(NVL(ATY,0),2) AS ATY,
NVL("$SHIPPED",0) AS DS_SHIPPED,
NVL("$NET_SCRAP",0) AS SCRAP,
NVL("TEST_$SCR",0) AS TEST_SCRAP,
ROUND(NVL(CWATY,0),2) AS CWATY,
NVL(LOT_BONUS,0) AS LOT_BONUS,
NVL(LOT_SCRAP,0) AS LOT_SCRAP,
NVL("TEST_$COST",0) AS test_dollar_cost,
ROUND(NVL("TEST_COST%",0),2) AS test_cost_percent
FROM prod_grp
WHERE facility = 'CLARK-AT'
AND run_date = 'D20100425'
AND prod_grp in (select distinct prod_grp
FROM device
WHERE facility = 'CLARK-AT'
AND MFG_GRP = 'QFN')
AND EXCLUSION_ON ='Y'
ORDER BY PROD_GRP ASC
** font in bold blue means dynamic
Connection string:
# Cwaty Clark
db.connectString.Cwatydb=jdbc:oracle:thin:cwatyclk/[email protected]:1521:cwatydb
db.driverString.Cwatydb=oracle.jdbc.driver.OracleDriver
db.minConnections.Cwatydb=0
db.maxConnections.Cwatydb=16
db.testQuery.Cwatydb=SELECT * FROM dual
db.conURL.Cwatydb=jdbc:oracle:thin:@smsdwsp3.itg.ti.com:1521:cwatydb
db.host.Cwatydb=smsdwsp3.itg.ti.com
db.sid.Cwatydb=cwatydb
db.usr.Cwatydb=cwatyclk
db.pwd.Cwatydb=reserved
db.dbName.Cwatydb=cwatydb
thanks alot..

These aren't parameters. Youve got a SQL SELECT statement and a snippet of Java code to connect with the oracle database.
What you need to do is to create a PreparedStatement and read the ResultSet. But franckly, if you don't know anything about this, i would go for a little help from my colleaques.
Edited by: hsc71 on 6-mei-2010 9:38
Edited by: hsc71 on 6-mei-2010 9:39

Similar Messages

Help needed, new to java programming

hi,
I have craeted a Frame with some check boxes and button called "button1".
Can anyone tell me how can i count the number of CHECKED check boxes so that when i press the button1 in my code it should display the result as number of checked check boxes divided by total number of check boxes. It should display the result in a textfield here RESULT textfield in my code
Thanks in advance ...i am sending the code i have written so far....
public class Frame extends java.awt.Frame {
    /** Creates new form Frame */
    public Frame() {
        initComponents();
        setSize(600, 600);
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
    private void initComponents() {
        buttonGroup1 = new javax.swing.ButtonGroup();
        checkbox1 = new java.awt.Checkbox();
        checkbox2 = new java.awt.Checkbox();
        checkbox3 = new java.awt.Checkbox();
        button1 = new java.awt.Button();
        textField1 = new java.awt.TextField();
        setLayout(null);
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                exitForm(evt);
        checkbox1.setLabel("checkbox1");
        add(checkbox1);
        checkbox1.setBounds(160, 50, 84, 20);
        checkbox2.setLabel("checkbox2");
        add(checkbox2);
        checkbox2.setBounds(160, 70, 84, 20);
        checkbox3.setLabel("checkbox3");
        add(checkbox3);
        checkbox3.setBounds(160, 90, 84, 20);
        button1.setLabel("button1");
        button1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                button1ActionPerformed(evt);
        add(button1);
        button1.setBounds(150, 180, 57, 24);
        textField1.setText("Result");
        textField1.setName("Result");
        add(textField1);
        textField1.setBounds(260, 180, 44, 20);
        pack();
    private void button1ActionPerformed(java.awt.event.ActionEvent evt) {
        // Add your handling code here:
    /** Exit the Application */
    private void exitForm(java.awt.event.WindowEvent evt) {
        System.exit(0);
     * @param args the command line arguments
    public static void main(String args[]) {
        new Frame().show();
    // Variables declaration - do not modify
    private java.awt.Button button1;
    private javax.swing.ButtonGroup buttonGroup1;
    private java.awt.Checkbox checkbox1;
    private java.awt.Checkbox checkbox2;
    private java.awt.Checkbox checkbox3;
    private java.awt.TextField textField1;
    // End of variables declaration
}

Two problems in the code you repost-ed:
1. It lacks import statements.
2. There is an extraneous } at the end of the button1ActionPerformed method.
Correct them and it'll work fine. Posting the full source code:
import java.awt.Component;
import java.awt.Checkbox;
public class Frame extends java.awt.Frame
     /** Creates new form Frame */
     public Frame()
          initComponents();
      * This method is called from within the constructor to initialize the form.
      * WARNING: Do NOT modify this code. The content of this method is always
      * regenerated by the Form Editor.
     private void initComponents()
          checkbox1 = new java.awt.Checkbox();
          checkbox2 = new java.awt.Checkbox();
          checkbox3 = new java.awt.Checkbox();
          button1 = new java.awt.Button();
          textField1 = new java.awt.TextField();
          setLayout( null );
          addWindowListener( new java.awt.event.WindowAdapter()
               public void windowClosing( java.awt.event.WindowEvent evt )
                    exitForm( evt );
          checkbox1.setLabel( "checkbox1" );
          add( checkbox1 );
          checkbox1.setBounds( 120, 40, 84, 20 );
          checkbox2.setLabel( "checkbox2" );
          add( checkbox2 );
          checkbox2.setBounds( 120, 60, 84, 20 );
          checkbox3.setLabel( "checkbox3" );
          add( checkbox3 );
          checkbox3.setBounds( 120, 80, 84, 20 );
          button1.setLabel( "button1" );
          button1.addActionListener( new java.awt.event.ActionListener()
               public void actionPerformed( java.awt.event.ActionEvent evt )
                    button1ActionPerformed( evt );
          add( button1 );
          button1.setBounds( 50, 170, 57, 24 );
          textField1.setText( "textField1" );
          add( textField1 );
          textField1.setBounds( 240, 170, 60, 20 );
          pack();
     private void button1ActionPerformed( java.awt.event.ActionEvent evt )
          // Add your handling code here:
          Component[] components = getComponents();
          int numOfCheckBoxes = 0;
          int numChecked = 0;
          for ( int i = 0; i < components.length; i++ )
               if ( components[i] instanceof Checkbox )
                    numOfCheckBoxes++;
                    Checkbox checkBox = (Checkbox) components;
                    if ( checkBox.getState() )
                         numChecked++;
          double ratio = (double) numChecked / (double) numOfCheckBoxes;
          textField1.setText( Double.toString( ratio ) );
     /** Exit the Application */
     private void exitForm( java.awt.event.WindowEvent evt )
          System.exit( 0 );
     * @param args the command line arguments
     public static void main( String args[] )
          new Frame().show();
     // Variables declaration - do not modify
     private java.awt.Button button1;
     private java.awt.Checkbox checkbox1;
     private java.awt.Checkbox checkbox2;
     private java.awt.Checkbox checkbox3;
     private java.awt.TextField textField1;
     // End of variables declaration
I can see from the code that the GUI was generated by a tool. Since you're new to Java programming, I'd recommend ditching the tool and writing everything by hand, otherwise you're not learning much. It's just like when you're learning proofs in Maths, where you start with first principles before making use of the proofs on their own.
Also, it'll help tremendously if you could spend some time going through the Java Tutorial (http://java.sun.com/docs/books/tutorial/). It's free, and I find it very useful.
Hth.

New TO JAVA Programming

Dear Forummembers,
I am student doing postgraduate studies in IT.i have some queries related to one of my programming staff.i am very much new into Java programming and i am finding it a bit difficult to handle this program.The synopsis of the program is given below -
You are required to design and code an object-oriented java program to process bookings for a theatre perfomance.
Your program will read from a data file containing specifications of the performance,including the names of the theatre, the play and its author and the layout of the theatre consisting of the number of seats in each row.
It will then run a menu driven operation to accept theatre bookings or display the current
status of seating in the theatre.
The name of the file containing the details of the performance and the theatre should be
provided at the command line, eg by running the program with the command:
java Booking Theatre.txt
where Theare.txt represents an example of the data file.
A possible data file is:
Opera
U and Me
Jennifer Aniston
5 10 10 11 12 13 14
The data provided is as follows
Line 1
Name of the Theatre
Line 2
Name of the play being performed
Line 3
Name of the author of the play being performed
Line 4
A list of the lengths (number of seats) of each row in the theatre, from front to
back.
The program must start by reading this file, storing all the appropriate parameters and
establishing an object to accept bookings for this performance with all details for the theatre
and performance.
The program should then start a loop in which a menu is presented to the user, eg:
Select from the following:
B - Book seats
T - Display Theatre bookings
Q - Quit from the program
Enter your choice:
And keep performing selected operations until the user�s selects the quit option, when the
program should terminate.
T - Display Theatre bookings
The Display Theatre Bookings option should display a plan of the theatre. Every available
seat should be displayed containing its identification, while reserved seats should contain an
Rows in each theatre are indicated by letters starting from �A� at the front. Seats are
numbered from left to right starting from 1. A typical seat in the theatre might be designated
D12, representing seat 12 in row D.
B - Book seats
The booking of seats is to offer a number of different options.
First the customer must be asked how many adjacent seats are
required. Then start a loop offering a further menu of choices:
Enter one of the following:
The first seat of a selected series, eg D12
A preferred row letter, eg F
A ? to have the first available sequence selected for you
A # to see a display of all available seats
A 0 to cancel your attempt to book seats
Enter your selection:
1. If the user enters a seat indentifier such B6, The program should attempt to
reserve the required seats starting from that seat. For example if 4 seats are
required from B6, seats B6, B7, B8 and B9 should be reserved for the customer,
with a message confirming the reservation and specifying the seats reserved..
Before this booking can take place, some testing is required. Firstly, the row
letter must be a valid row. Then the seat number must be within the seats in the
row and such that the 4 seats would not go beyond the end of the row. The
program must then check that none of the required seats is already reserved.
If the seats are invalid or already reserved, no reservation should be made and the
booking menu should be repeated to give the customer a further chance to book
seats.
If the reservation is successful, return to the main menu.
2. The user can also simply enter a row letter, eg B.IN this case, the program should
first check that the letter is a valid row and then offer the user in turn each
adjacent block of the required size in the specified row and for each ask whether
the customer wants to take them. Using the partly booked theatre layout above, if
the customer wanted 2 seats from row B, the customer should be offered first:
Seats B5 to B6
then if the customer does not want them:
Seats B10 to B11
and finally
Seats B11 to B12
If the customer selects a block of seats, then return to the main menu. If none are
selected, or there is no block of the required size available in the row, then report
that no further blocks of the required size are available in the row and repeat the
booking menu.
3. If the user enters a ? the program should offer the customer every block of seats
of the required size in the whole theatre. This process should start from the first
row and proceed back a row at a time. For example, again using the partially
booked theatre shown above, if the user requested 9 seats, the program should
offer in turn:
Seats A1 to A9
Seats C1 to C9
Seats C2 to C10
Seats E3 to E11
Seats E4 to E12
If the customer selects a block of seats, then return to the main menu. If none are
selected, or there is no block of the required size available in the whole theatre,
then report that no further blocks of the required size are available and repeat the
booking menu.
4. If the user enters a # the program should display the current status of the seating
in the theatre, exactly the same as for the T option from the main menu and then
repeat the booking menu.
5. If the user enters a 0 (zero), the program should exit from the booking menu back
to the main menu. If for example the user wanted 9 seats and no block of 9 was
left in the theatre, he would need to make two separate smaller bookings.
The program should perform limited data validation in the booking process. If a single
character other than 0, ? and # is entered, it should be treated as a row letter and then tested
for falling within the range of valid rows, eg A to H in the example above. Any invalid row
letters should be rejected.
If more than one character is entered, the first character should be tested as a valid row letter,
and the numeric part should be tested for falling within the given row. You are NOT
required to test for valid numeric input as this would require the use of Exception handling.
You are provided with a class file:
Pad.java
containing methods that can be used for neat alignment of the seat identifiers in the theatre
plan.
File Processing
The file to be read must be opened within the program and if the named file does not exist, a
FileNotFoundException will be generated. It is desirable that this Exception be caught and
a corrected file name should be asked for.
This is not required for this assignment, as Exception handling has not been covered in this
Unit. It will be acceptable if the method simply throws IOException in its heading.
The only checking that is required is to make sure that the user does supply a file on the
command line, containing details of the performance. This can be tested for by checking the
length of the parameter array args. The array length should be 1. If not, display an error
message telling the user the correct way to run the program and then terminate the program
System.exit(0);
The file should be closed after reading is completed.
Program Requirements
You are expected to create at least three classes in developing a solution to this problem.
There should be an outer driving class, a class to represent the theatre performance and its
bookings and a class to represent a single row within the theatre.
You will also need to use arrays at two levels. You will need an array of Rows in the Theatre
class.
Each Row object will need an array of seats to keep track of which seats have been reserved.
Your outer driving class should be called BookingOffice and should be submitted in a file named BookingOffice.java
Your second, third and any additional classes, should be submitted in separate files, each
class in a .java file named with the same name as the class
I am also very sorry to give such a long description.but i mainly want to know how to approach for this program.
also how to designate each row about it's column while it is being read from the text file, how to store it, how to denote first row as row A(second row as row B and so on) and WHICH CLASS WILL PERFORM WHICH OPERATIONS.
pls do give a rough guideline about designing each class and it's reponsibilty.
thanking u and looking forward for your help,
sincerely
RK

yes i do know that........but can u ppl pls mention
atleast what classes shud i consider and what will be
the functions of each class?No, sorry. Maybe somebody else will, but in general, this is not a good question for this forum. It's too broad, and the question you're asking is an overall problem solving approach that you should be familiar with at this point.
These forums are best suited to more specific questions. "How do I approach this homework?" is not something that most people are willing or able to answer in a forum like this.

New to Java and need help with this program..please!

I'd really appreciate any helpful comments about this program assignment that I have to turn in a week from Friday. I'm taking a class one night a week and completely new to Java. I'd ask my professor for help, but we can't call him during the week and he never answers e-mails. He didn't tell us how to call from other classes yet, and I just can't get the darn thing to do what I want it to do!
The assignment requirements are:
1. Change a card game application that draws two cards
and the higher card wins, to a Blackjack application
2. Include a new class called Hand
3. The Hand class should record the number of draws
4. The application should prompt for a number of draws
5. The game is played against the Dealer
6. The dealer always draws a card if the dealer's hand total is <= 17
7. Prompt the player after each hand if he wants to quit
8. Display the total games won by the dealer and total and the total games wond by the player after each hand
9. Display all of the dealer's and player's cards at the
end of each hand
10. Player has the option of drawing an additional card after the first two cards
11. The Ace can have a value of 11 or 1
(Even though it's not called for in the requirements, I would like to be able to let the Ace have a value of 1 or an 11)
The following is my code with some comments about a few things that are driving me nuts:
import java.util.*;
import javax.swing.*;
import java.text.*;
public class CardDeck
public CardDeck()
deck = new Card[52];
fill();
shuffle();
public void fill()
int i;
int j;
for (i = 1; i <= 13; i++)
for (j = 1; j <= 4; j++)
deck[4 * (i - 1) + j - 1] = new Card(i, j);
cards = 52;
public void shuffle()
int next;
for (next = 0; next < cards - 1; next++)
int rand = (int)(Math.random()*(next+1));
Card temp = deck[next];
deck[next] = deck[rand];
deck[rand] = temp;
public final Card draw()
if (cards == 0)
return null;
cards--;
return deck[cards];
public int changeValue()
int val = 0;
boolean ace = false;
int cds;
for (int i = 0; i < cards; i++)
if (cardValue > 10)
cardValue = 10;
if (cardValue ==1)     {
ace = true;
val = val + cardValue;
if ( ace = true && val + 10 <= 21 )
val = val + 10;
return val;
public static void main(String[] args)
CardDeck d = new CardDeck();
int x = 3;
int i;
int wins = 1;
int playerTotal = 1;
do {
Card dealer = (d.draw());
/**I've tried everything I can think of to call the ChangeValue() method after I draw the card, but nothing is working for me.**/
System.out.println("Dealer draws: " + dealer);
do {
dealer = (d.draw());
System.out.println(" " + dealer);
}while (dealer.rank() <= 17);
Card mine = d.draw();
System.out.println("\t\t\t\t Player draws: "
+ mine);
mine = d.draw();
System.out.println("\t\t\t\t\t\t" + mine);
do{
String input = JOptionPane.showInputDialog
("Would you like a card? ");
if(input.equalsIgnoreCase("yes"))
     mine = d.draw();
System.out.println("\t\t\t\t\t\t" + mine);
     playerTotal++;
     else if(input.equalsIgnoreCase("no"))
System.out.println("\t\t\t\t Player stands");
     else
System.out.println("\t\tInvalid input.
Please try again.");
I don't know how to go about making and calling a method or class that will combine the total cards delt to the player and the total cards delt to the dealer. The rank() method only seems to give me the last cards drawn to compare with when I try to do the tests.**/
if ((dealer.rank() > mine.rank())
&& (dealer.rank() <= 21)
|| (mine.rank() > 21)
&& (dealer.rank() < 22)
|| ((dealer.rank() == 21)
&& (mine.rank() == 21))
|| ((mine.rank() > 21)
&& (dealer.rank() <= 21)))
System.out.println("Dealer wins");
wins++;
     else
System.out.println("I win!");
break;
} while (playerTotal <= 1);
String stop = JOptionPane.showInputDialog
("Would you like to play again? ");
if (stop.equalsIgnoreCase("no"))
break;
if (rounds == 5)
System.out.println("Player wins " +
(CardDeck.rounds - wins) + "rounds");
} while (rounds <= 5);
private Card[] deck;
private int cards;
public static int rounds = 1;
public int cardValue;
/**When I try to compile this nested class, I get an error message saying I need a brace here and at the end of the program. I don't know if any of this code would work because I've tried adding braces and still can't compile it.**/
class Hand()
static int r = 1;
public Hand() { CardDeck.rounds = r; }
public int getRounds() { return r++; }
final class Card
public static final int ACE = 1;
public static final int JACK = 11;
public static final int QUEEN = 12;
public static final int KING = 13;
public static final int CLUBS = 1;
public static final int DIAMONDS = 2;
public static final int HEARTS = 3;
public static final int SPADES = 4;
public Card(int v, int s)
value = v;
suit = s;
public int getValue() { return value; }
public int getSuit() { return suit; }
public int rank()
if (value == 1)
return 4 * 13 + suit;
else
return 4 * (value - 1) + suit;
/**This works, but I'm confused. How is this method called? Does it call itself?**/
public String toString()
String v;
String s;
if (value == ACE)
v = "Ace";
else if (value == JACK)
v = "Jack";
else if (value == QUEEN)
v = "Queen";
else if (value == KING)
v = "King";
else
v = String.valueOf(value);
if (suit == DIAMONDS)
s = "Diamonds";
else if (suit == HEARTS)
s = "Hearts";
else if (suit == SPADES)
s = "Spades";
else
s = "Clubs";
return v + " of " + s;
private int value; //Value is an integer, so how can a
private int suit; //string be assigned to an integer?
}

Thank you so much for offering to help me with this Jamie! When I tried to call change value using:
Card dealer = (d.changeValue());
I get an error message saying:
Incompatible types found: int
required: Card
I had my weekly class last night and the professor cleared up a few things for me, but I've not had time to make all of the necessary changes. I did find out how toString worked, so that's one question out of the way, and he gave us a lot of information for adding another class to generate random numbers.
Again, thank you so much. I really want to learn this but I'm feeling so stupid right now. Any help you can give me about the above error message would be appreciated.

Please help me in this tough problem in Java...im just new in Java program

my teacher give this as a problem. so tough. we are just starting and we are now in control structures. please help me to finish this problem. And my problem is...
Write an astrology program. The user types in his or her birthday(month,day,year),
and the program responds with the user's zodiac sign, the traits associated with each sign
the user's age(in years,months,day), the animal sign for the year(e.g., Year of the Pig,
Year of the Tiger), the traits associated with each animal sign, and if the year is a leap
year or not. The dates covered for each sign can be searched through the horoscope section
of a newspaper or through the internet. Then enhance your program so that if the user is one
or two days away from the adjacent sign, the program outputs the nearest adjacent sign as well
as the traits associated with the nearest sign. The month may be entered as a number from 1 to 12
or in words, i.e.,January to December. Limit the year of the birthday from 1900 to 2010 only.
The program should allow the user to repeat the entire process as often as desired.
You can use:
import java.text.DateFormat;
import java.util.Date;
import java.util.Calendar;
please...those who are genius out there in java program...help us to pass this project. Im begging! thanks!

Frowner_Stud wrote:
According to the second commandment: Thou shall not use the name of the Lord in vain.Is this not the definition of ironic, Mr. Morality?
i am not cheating. And more of the same.
we all know that an assignment is an assignment. a homework. homework means you can raise other help from somebody so that you will know the answer.You're not asking for "help" bucko, because you've been given decent help but have chosen to ignore it. No, you're asking for someone to do the work for you, and you may call it what you want, but in anyone else's book, that's cheating.
dont be fool enough to reply if you dont know the reason why i am typing here Don't be fool enough to think that you can control who can or can't respond.
because if you are in my part and if i know the answer there is no doubt that i will help you as soon as possible! Just because you have low morals doesn't mean that the rest of us do.
Thanks for time of reading and God bless you including you family!and to you and yours. Have a blessed day.

New to Java and need help with error message!

I have just installed the oracle jdbc driver and am now getting the following error message when trying to use the jbdc driver instead of the jdbc:odbc wrap driver...
See com.borland.dx.dataset.DataSetException error code: BASE+47
com.borland.dx.dataset.DataSetException: Chain of 2 or more Exceptions occurred
     at com.borland.dx.dataset.DataSetException.a(Unknown Source)
     at com.borland.dx.dataset.DataSetException.throwExceptionChain(Unknown Source)
     at com.borland.dx.sql.dataset.q.a(Unknown Source)
     at com.borland.dx.sql.dataset.Database.openConnection(Unknown Source)
     at com.borland.dx.sql.dataset.Database.createPreparedStatement(Unknown Source)
     at com.borland.dx.sql.dataset.o.a(Unknown Source)
     at com.borland.dx.sql.dataset.o.d(Unknown Source)
     at com.borland.dx.sql.dataset.o.f(Unknown Source)
     at com.borland.dx.sql.dataset.QueryProvider.e(Unknown Source)
     at com.borland.dx.sql.dataset.JdbcProvider.provideData(Unknown Source)
     at com.borland.dx.dataset.StorageDataSet.a(Unknown Source)
     at com.borland.dx.dataset.DataSet.a(Unknown Source)
     at com.borland.dx.dataset.DataSet.open(Unknown Source)
     at com.borland.dbswing.JdbTable.bindDataSet(JdbTable.java:2749)
     at com.borland.dbswing.JdbTable.setDataSet(JdbTable.java:819)
     at myframes.ClaimView.btnSQL_actionPerformed(ClaimView.java:279)
     at myframes.ClaimView_btnSQL_actionAdapter.actionPerformed(ClaimView.java:440)
     at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)
     at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1839)
     at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
     at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
     at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:245)
     at java.awt.Component.processMouseEvent(Component.java:5100)
     at java.awt.Component.processEvent(Component.java:4897)
     at java.awt.Container.processEvent(Container.java:1569)
     at java.awt.Component.dispatchEventImpl(Component.java:3615)
     at java.awt.Container.dispatchEventImpl(Container.java:1627)
     at java.awt.Component.dispatchEvent(Component.java:3477)
     at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
     at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)
     at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
     at java.awt.Container.dispatchEventImpl(Container.java:1613)
     at java.awt.Window.dispatchEventImpl(Window.java:1606)
     at java.awt.Component.dispatchEvent(Component.java:3477)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
Chained exception:
javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
     at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:640)
     at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
     at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:280)
     at javax.naming.InitialContext.lookup(InitialContext.java:347)
     at com.borland.dx.sql.dataset.q.a(Unknown Source)
     at com.borland.dx.sql.dataset.Database.openConnection(Unknown Source)
     at com.borland.dx.sql.dataset.Database.createPreparedStatement(Unknown Source)
     at com.borland.dx.sql.dataset.o.a(Unknown Source)
     at com.borland.dx.sql.dataset.o.d(Unknown Source)
     at com.borland.dx.sql.dataset.o.f(Unknown Source)
     at com.borland.dx.sql.dataset.QueryProvider.e(Unknown Source)
     at com.borland.dx.sql.dataset.JdbcProvider.provideData(Unknown Source)
     at com.borland.dx.dataset.StorageDataSet.a(Unknown Source)
     at com.borland.dx.dataset.DataSet.a(Unknown Source)
     at com.borland.dx.dataset.DataSet.open(Unknown Source)
     at com.borland.dbswing.JdbTable.bindDataSet(JdbTable.java:2749)
     at com.borland.dbswing.JdbTable.setDataSet(JdbTable.java:819)
     at myframes.ClaimView.btnSQL_actionPerformed(ClaimView.java:279)
     at myframes.ClaimView_btnSQL_actionAdapter.actionPerformed(ClaimView.java:440)
     at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)
     at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1839)
     at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
     at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
     at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:245)
     at java.awt.Component.processMouseEvent(Component.java:5100)
     at java.awt.Component.processEvent(Component.java:4897)
     at java.awt.Container.processEvent(Container.java:1569)
     at java.awt.Component.dispatchEventImpl(Component.java:3615)
     at java.awt.Container.dispatchEventImpl(Container.java:1627)
     at java.awt.Component.dispatchEvent(Component.java:3477)
     at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
     at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)
     at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
     at java.awt.Container.dispatchEventImpl(Container.java:1613)
     at java.awt.Window.dispatchEventImpl(Window.java:1606)
     at java.awt.Component.dispatchEvent(Component.java:3477)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
Here is the code causeing the error;
void btnSQL_actionPerformed(ActionEvent e)
try
String GET_DATASET = txtSQL.getText().trim();
Display("Executing...");
try
MyDisplayTable.setDataSet(null);
catch (DataSetException ex)
Display("ERROR 1: " + ex.toString());
try
queryDataSet1.close();
catch (DataSetException ex)
Display("ERROR 2: " + ex.toString());
try
queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(
database1, GET_DATASET, null, true, Load.ALL));
catch (DataSetException ex)
Display("ERROR 3: " + ex.toString());
try
if (!queryDataSet1.isOpen()) {
queryDataSet1.open();
catch (DataSetException ex) {
Display("ERROR 5: " + ex.toString());
try {
queryDataSet1.refresh();
catch (Exception ex) {
Display("ERROR 5.5: " + ex.toString());
try {
Display("setDataSet");
MyDisplayTable.setDataSet(queryDataSet1);
Display("DONE setDataSet");
catch (DataSetException ex) {
Display("ERROR 6: " + ex.toString());
Display("Query: ' " + GET_DATASET.trim() + " ' was executed successfully");
catch (Exception ex)
Display(ex.toString());
Please let me know if more information is required. I am completely at a loss as to what more I need to do to get this to work using the new driver.
Thank you all in advance,
Malcolm Diaz
Application Developer
[email protected]
PlanVista Solutions Inc.
419 E.Main St.
Middletown NY 10940
845-346-2692

this is more of a jdbc question rather than an internationalization. You might be able to get more help if you post it in java programming section.

Please I'm new to java.Can anyone help me?

Whenever i try to execute a java program
at the command line I get the error message " .classfiles not found.I checked in my directory and the classfiles are there.I made sure I'm in the directory when i'm trying to execute the .class files.
when i use EditPlus i get the error message of
---------- java ----------
java.lang.NoClassDefFoundError: Comparison
Exception in thread "main" Normal Termination
Output completed (1 sec consumed).
Can anyone tell what i'm doing wrong or what i'm not doing?

From Julesh1
To: DaithiMcGibon and ehsan java
Thank you very much i added the ";." and now i can execute the any code.
Your assistance is greatly appreciated.
I'm using windows 2000 Pro; jdk1.3.1_01; and apache tomcat 4.0.
But whenever i try to start apache tomcat i get a number of errors.
I have copied these errors from the command windows and pasted them below because i don't know where to begin.Does anyone think i should reinstall apache tomcat 4.0
Please take a look, here below are the error messages i'm getting.
A nonfatal internal JIT (3.10.107(x)) error 'Relocation error: NULL relocation target' has occurred in :
'org/apache/crimson/parser/Parser2.maybeComment (Z)Z': Interpreting method.
Please report this error in detail to http://java.sun.com/cgi-bin/bugreport.cgi
Catalina.start: LifecycleException: null.open: java.net.BindException: Address in use: bind
LifecycleException: null.open: java.net.BindException: Address in use: bind
at org.apache.catalina.connector.http.HttpConnector.initialize(HttpConnector.java:1116)
at org.apache.catalina.core.StandardService.initialize(StandardService.java, Compiled Code)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java, Compiled Code)
at org.apache.catalina.startup.Catalina.start(Catalina.java:775)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
at java.lang.reflect.Method.invoke(Native Method)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java, Compiled Code)
----- Root Cause -----
java.net.BindException: Address in use: bind
at java.net.PlainSocketImpl.socketBind(Native Method)
at java.net.PlainSocketImpl.bind(Unknown Source)
at java.net.ServerSocket.<init>(Unknown Source)
at java.net.ServerSocket.<init>(Unknown Source)
at org.apache.catalina.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:118)
at org.apache.catalina.connector.http.HttpConnector.open(HttpConnector.java:946)
at org.apache.catalina.connector.http.HttpConnector.initialize(HttpConnector.java:1114)
at org.apache.catalina.core.StandardService.initialize(StandardService.java, Compiled Code)
at org.apache.catalina.core.StandardServer.initialize(StandardServer.java, Compiled Code)
at org.apache.catalina.startup.Catalina.start(Catalina.java:775)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
at java.lang.reflect.Method.invoke(Native Method)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java, Compiled Code)

I am new to Java. Need help-urgent

I need to write a java program that reads a text input and outputs it one word per line. Also, print the total number of words in the inputtext. I am not allowed to use a StringTokenizer object. Could you please tell me how to do it?
Thanks

copy the string you read in to a char[] then
use a for loop to iterate through the array using print instead of println to write out each letter
once you come to a space use println.

Im new to java programming and cant this program to help

Dear All
I using a Java Book called Java Gently written by J.Bishop Im working on a program and its typed out correctly and compiled corretcly, but for some reason wont work i dont know what parameters i need to enter.
take a look:
class CurioStore1 {
* Write a description of class CurioStore1 here.
* @author (your name)
* @version (a version number or a date)
// Declare three object variables
Curio mugs, tshirts, carvings;
// The constructor for the program is
// where the inital work gets done
CurioStore1 () {
// Create three objects with different initial values
mugs = new Curio ("Traditional mugs", 6, "beaded in Ndebele style");
tshirts = new Curio ("Traditional mugs" , 30, "sizes M to XL");
carvings = new Curio ("Masks", 80, "carved in wood");
// Print out a header
System.out.println ("The Polelo Curio Store sells\n");
// Print the values contained in each of the objects
mugs.write();
tshirts.write();
carvings.write();
// All programs must have a main method
public static void main (String [ ] args) {
// Start the program running from its constructor
new CurioStore1 ();
class Curio {
//Declare variables related to a curio
String name;
int price;
String description;
//The constructor copies the initial values
// into the ogjects variables
Curio (String n, int p, String d) {
name = n;
price = p;
description = d;
// a method to ouput the vlaurd of the object's variables
void write () {
System.out.println (name + " " + description + " for G" + price);

What is currently happening when you attempt to run the above program?
Try changing your main method as I have changed it below and see if anything is displayed.
class CurioStore1 {
* Write a description of class CurioStore1 here.
* @author (your name)
* @version (a version number or a date)
// Declare three object variables
Curio mugs, tshirts, carvings;
// The constructor for the program is
// where the inital work gets done
CurioStore1 () {
// Create three objects with different initial
ial values
mugs = new Curio ("Traditional mugs", 6, "beaded
ded in Ndebele style");
tshirts = new Curio ("Traditional mugs" , 30,
30, "sizes M to XL");
carvings = new Curio ("Masks", 80, "carved in
in wood");
// Print out a header
System.out.println ("The Polelo Curio Store
ore sells\n");
// Print the values contained in each of the
the objects
mugs.write();
tshirts.write();
carvings.write();
// All programs must have a main method
public static void main (String [ ] args) {
// Start the program running from its constructor
System.out.println ("before constructor");
new CurioStore1 ();
System.out.println ("after constructor");
class Curio {
//Declare variables related to a curio
String name;
int price;
String description;
//The constructor copies the initial values
// into the ogjects variables
Curio (String n, int p, String d) {
name = n;
price = p;
description = d;
// a method to ouput the vlaurd of the object's
ect's variables
void write () {
System.out.println (name + " " + description +
ption + " for G" + price);

Am not able to run the java program - pls help

1. I installed java in the below path
     c:\program files\java\jdk1.5.0
     c:\program files\java\jre1.5.0
I set the path in
     User variable i. variable name: path
          ii. variable value: c:\program files\java\jdk1.5.0\bin
when I compile it in command prompt-applying javac ? it performed successfully-shows
options like ?g create all debug info, -g : new Generate no debug info etc.,
But am not able to run the file. It shows error msg.
2. I specified the same name for file name & class name.
3. Java <class name>
     Exception in thread ?main?java.lang.NoclassDeffoundError: <class name>
4. Java ?cp <class name>
     Unrecognized option: -cp.<classname>
     Could not create the Java Virtual Machine
5. Java ?classpath . <classname>
     Exception in thread ?main?.java.lang.unsupported classversionError: <classname>
     <unsupported major.minor version 49.0
          at java.lang.classloader.defineclass0<native method>
          at java.lang.classloader.defineclass<unknown source>
               --and many listed below?
6. Java ?classpath c:\program files\java\jdk1.5.0\bin <class name>
     Exception in thread ?main?java.lang.NoclassDeffoundError: <class name>
7. I re-installed the java, but still the problem continuing.
pls help... its very urgent

Is the java class you compiled/calling in the default package? If it is not, you will have to call it by the fully qualified name.
e.g.
package com.mycompany.myproject;
public class MyClass {
    public static void main(String[] args) { }
}This would be called as "Java com.mycompany.myproject.MyClass" and must contain a main method with signature as above.
You would have to call this from folder where the compiled classes are located. If using package, you would call from directory at level of top most package so com folder in this example as Java will look at each package name in qualified name and try to traverse directories with those same names to get to .class file matching class name specified. To avoid this, your newly compiled .class files must also be in your classpath.
Hopefully that helps.
--Kevin

I'm new to java and need help please

I have an assignment involves modifying a previous assignment. the code for the previous assigment is shown below.(it was required to be done as an applet this assigment can be an application or an applet) I'm trying to modify this code to read a text file (items.txt) that looks like this:
item # description price(this line does not appear in the text file)
001 shaving cream 400.00
999 razors 30.00
I need to load the item# and price from the text file into arrays(I have no clue how to use multi-dimensional arrays in java and would prefer not to)
I need to search the arrays based on the values entered by the user (item # and quantity) calculate the total for that item then create a new text file which has each line item for that order in the form:
item# quant price per item total(price per item*quant entered)
also also I need to be able to display the four items listed above after each loop as well as all the previous item number and quantities they selected until they indicate they don't want to select anymore.
I've been working on this for days and it seems like nothing I try works. My major problems are:
1. I have no idea how to read the text file and load those 2 items into their respective arrays
2. I can't seem to create a textfile that looks like text for the output file.
code]
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.text.*;
import java.util.Locale;
public class arraySelection
extends JApplet {
//Initialize the applet
private Container getContentPane=null;
public void init() {
String string_item, string_quantity;
String output = "";
String description= "";
int counter= 0;
int itemNumber= 0;
double quantity = 0 ;
double tax_rate=.07;
double total= 0, price= 0;
double tax, subtotal;
double Pretotal= 0;
double priceArray[] = {1, .5, 3.65, 0.02, 0.09};
String descriptionArray[] = {"salt", "pepper", "paprika", "garlic", "thyme"};
// create number format for currency in US dollar format
NumberFormat moneyFormat = NumberFormat.getCurrencyInstance( Locale.US );
//format to have the total with two digits precision
DecimalFormat twoDigits = new DecimalFormat("0.00");
//Jtextarea to display results
JTextArea outputArea = new JTextArea ();
// get applet's content pane
Container container = getContentPane ();
//attach output area to container
container.add(outputArea);
//set the first row of text for the output area
output += "Invoice\nItem#\tDescription\tQuant@Price\t Line Total" + "\n";
do //begin loop structure obtain input from user
// obtain item number from user
string_item = JOptionPane.showInputDialog(
"Please enter an item number 1, 2, 3, 4, or 5:");
//obtain quantity of each item that user enter
string_quantity = JOptionPane.showInputDialog("Enter the quantity:");
// convert numbers from type String to Integer or Double
itemNumber = Integer.parseInt(string_item);
quantity = Double.parseDouble(string_quantity);
switch (itemNumber) {//Determine input from user to assign price and description
case 10: // user input item =10
price = priceArray[0];
description = descriptionArray[0];
break;
case 20: // user input item =20
price = priceArray [1];
description = descriptionArray[1];
break;
case 30: //user input item =30
price=priceArray[2];
description = descriptionArray[2];
break;
case 40: //user input item =40
price=priceArray[3];
description = descriptionArray[3];
break;
case 50: //user input item =50
price=priceArray[4];
description = descriptionArray[4];
break;
default: // user input item is not on the list
output += "Invalid value entered"+ "\n";
price=0;
description= "";
//Calculates the total for each item number and stores it in subtotal
subtotal = price * quantity;
//display input from user
output += itemNumber + "\t" + description + "\t\t"+ quantity + "@" +
moneyFormat.format( price) + "\t" + moneyFormat.format( subtotal) + "\n";
//accumulates the overall subtotal for all items
Pretotal = Pretotal + subtotal;
//verifies that the user wants to stop entering data
string_item = JOptionPane.showInputDialog(" Enter a positive integer to continue or 0 to stop. ");
itemNumber = Integer.parseInt(string_item);
// loop termination condition if user's input is 0 .It will end the loop
} while ( itemNumber!= 0);
tax = Pretotal * tax_rate; // calculate tax amount
total = Pretotal + tax; //calculate total = subtotal + tax
//appends data regarding the subtotal, tax, and total to the output area
output += "\n" + "Order Subtotal" + "\t" + moneyFormat.format( Pretotal) +
"\n" + "Tax" + "\t\t" + twoDigits.format( tax ) + "\n" + "Order Total" +
"\t\t" + moneyFormat.format( total );
//attaches the data in the output variable to the output area
outputArea.setText( output );
} //end init
}// end applet Invoice
Any help or sugestions would be greatly appreaciated. I've been working on this for over a week and everything I try goes nowhere.

item # description price(this
line does not appear in the text file)
001 shaving cream 400.00
999 razors 30.00
I need to load the item# and price from the text file
into arrays(I have no clue how to use
multi-dimensional arrays in java and would prefer not
to)That's good, because you shouldn't use multidimensional arrays here. You should have a one-dimensional array (or java.util.List) of objects that encapsulate each line.
I've been working on this for days and it seems like
nothing I try works. My major problems are:
1. I have no idea how to read the text file and load
those 2 items into their respective arrays
2. I can't seem to create a textfile that looks like
text for the output file.The java.io package has file reading/writing classes.
Here's a tutorial:
http://java.sun.com/docs/books/tutorial/essential/io/index.html

I'm new to java and need help please(repost)

I have an assignment involves modifying a previous assignment. the code for the previous assigment is shown below.(it was required to be done as an applet this assigment can be an application or an applet) I'm trying to modify this code to read a text file (items.txt) that looks like this:
item # description price(this line does not appear in the text file)
001 shaving cream 400.00
999 razors 30.00
I need to load the item# and price from the text file into arrays(I have no clue how to use multi-dimensional arrays in java and would prefer not to)
I need to search the arrays based on the values entered by the user (item # and quantity) calculate the total for that item then create a new text file which has each line item for that order in the form:
item# quant price per item total(price per item*quant entered)
also also I need to be able to display the four items listed above after each loop as well as all the previous item number and quantities they selected until they indicate they don't want to select anymore.
I've been working on this for days and it seems like nothing I try works. My major problems are:
1. I have no idea how to read the text file and load those 2 items into their respective arrays
2. I can't seem to create a textfile that looks like text for the output file.
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.text.*;
import java.util.Locale;
public class arraySelection
    extends JApplet {
//Initialize the applet
private Container getContentPane=null;
public void init() {
       String string_item, string_quantity;
       String output = "";
       String description= "";
       int counter= 0;
       int itemNumber= 0;
       double quantity = 0 ;
       double tax_rate=.07;
       double total= 0, price= 0;
       double tax, subtotal;
       double Pretotal= 0;
       double priceArray[] = {1, .5, 3.65, 0.02, 0.09};
       String descriptionArray[] = {"salt", "pepper", "paprika", "garlic", "thyme"};
     // create number format for currency in US dollar format
     NumberFormat moneyFormat = NumberFormat.getCurrencyInstance( Locale.US );
     //format to have the total with two digits precision
     DecimalFormat twoDigits = new DecimalFormat("0.00");
     //Jtextarea to display results
     JTextArea outputArea = new JTextArea ();
     // get applet's content pane
      Container container = getContentPane ();
      //attach output area to container
      container.add(outputArea);
     //set the first row of text for the output area
    output += "Invoice\nItem#\tDescription\tQuant@Price\t Line Total" + "\n";
    do //begin loop structure obtain input from user
           // obtain item number from user
           string_item = JOptionPane.showInputDialog(
               "Please enter an item number 1, 2, 3, 4, or 5:");
           //obtain quantity of each item that user enter
           string_quantity = JOptionPane.showInputDialog("Enter the quantity:");
           // convert numbers from type String to Integer or Double
           itemNumber = Integer.parseInt(string_item);
           quantity = Double.parseDouble(string_quantity);
             switch (itemNumber) {//Determine input from user to assign price and description
                case 10: // user input item =10
                  price = priceArray[0];
                  description = descriptionArray[0];
                  break;
                case 20: // user input item =20
                  price = priceArray [1];
                  description = descriptionArray[1];
                  break;
                case 30: //user input item =30
                  price=priceArray[2];
                  description = descriptionArray[2];
                  break;
                case 40: //user input item =40
                  price=priceArray[3];
                  description = descriptionArray[3];
                  break;
                case 50: //user input item =50
                  price=priceArray[4];
                  description = descriptionArray[4];
                  break;
                default: // user input item is not on the list
                output += "Invalid value entered"+ "\n";
                price=0;
                description= "";
         //Calculates the total for each item number and stores it in subtotal
         subtotal = price * quantity;
         //display input from user
         output += itemNumber + "\t" + description + "\t\t"+ quantity + "@" +
                   moneyFormat.format( price) + "\t" + moneyFormat.format( subtotal) + "\n";
         //accumulates the overall subtotal for all items
         Pretotal = Pretotal + subtotal;
        //verifies that the user wants to stop entering data
        string_item = JOptionPane.showInputDialog(" Enter a positive integer to continue or 0 to stop. ");
        itemNumber = Integer.parseInt(string_item);
      // loop termination condition if user's input is 0 .It will end the loop
   } while ( itemNumber!= 0);
    tax = Pretotal * tax_rate; // calculate tax amount
    total = Pretotal + tax; //calculate total = subtotal + tax
    //appends data regarding the subtotal, tax, and total to the output area
    output += "\n" + "Order Subtotal" + "\t" + moneyFormat.format( Pretotal) +
              "\n" + "Tax" + "\t\t" + twoDigits.format( tax ) + "\n" + "Order Total" +
              "\t\t" + moneyFormat.format( total );
     //attaches the data in the output variable to the output area
     outputArea.setText( output );
} //end init
}// end applet InvoiceAny help or sugestions would be greatly appreaciated. I've been working on this for over a week and everything I try goes nowhere.

First answer: You shouldn't ask multiple questions in the same thread. Ask a specific question, with an appropriate subject line (optionally, assign the number of Dukes you are willing to give for the help). When question #1 is answered and question #2 arises, it's time for a new thread (don't forget to give out Dukes before moving on).
Second answer: I think you need a Transfer Object (http://java.sun.com/blueprints/patterns/TransferObject.html). It's whole purpose is to hold/transfer instance data where it is needed. Create a class something like this:
public class ItemTO
    private String _number;
    private String _description;
    private double _price;
    public ItemTO( String number, String description, double price )
        _number = number;
        _description = description;
        _price = price
    // Getter/Setter methods go here
}then, in the code where you read in the file do something like this:
BufferedReader input = null;
try
    input = new BufferedReader( new FileReader( "c:\\a.txt" ) );
    List items = new ArrayList();
    String line;
    String itemNumber;
    String itemDescription;
    double itemPrice;
    while ( (line = input.readLine() ) != null )
     System.out.println( line );
        itemNumber = // Parse it from line
        itemDescription // Parse it from line
        itemPrice = // Parse it from line
        items.add( new ItemTO( itemNumber, itemDescription, itemPrice ) );
catch ( FileNotFoundException fnfe )
    fnfe.printStackTrace();
catch ( IOException ioe )
    ioe.printStackTrace();
finally
    try
        if ( input != null )
            input.close();
    catch ( Exception e )
        e.printStackTrace();
}As for how to parse the line of the file, I'll leave that to you for now. Are the three values delimited with any special characters?
jbisotti

Java Programming Please Help me, Please...

I have 3 classes, I and I can't import anything, because this is my class project. I won't attempt to lie about it. I've been working on this project for two weeks. My professor usually answers questions, but the University internet is down.
This is my driver Class.
import java.io.*;
import java.util.Scanner;
public class assignment1 {
     public static void main(String[] args)throws IOException {
          customerList L=new customerList();
          Scanner scan=new Scanner(System.in);
          String input;
          System.out.print("Enter a file name please:");
          input = scan.next();
          L.getCustomerList(input);
          while(true){
               int a;
               System.out.print("Enter a Customer Number (between 0-999):");
               a=scan.nextInt();
               System.out.println("Customer Record corresponding to "+a+": " +L.getCustomer(input,a));
This is my customerList.java class.
import java.util.Scanner;
import java.io.*;
public class customerList{
     private customerRecord[] data;
     private int count;
     public customerList(){
          data=new customerRecord[100];
          count=0;
     public void getCustomerList(String fileName)throws IOException{
          Scanner scan=new Scanner(new File(""+fileName+".txt"));
          while(scan.hasNext()){
               int customerNumber=scan.nextInt();
               String firstName=scan.next();
               String lastName=scan.next();
               float balance=scan.nextFloat();
               data[count]=new customerRecord(customerNumber,firstName,lastName,balance);
               ++count;
               if(count>100){
                    System.out.println("Error, more than 100 records");
     public customerRecord getCustomer(String fileName,int cN){
This is my customerRecord.java class
public class customerRecord {
     private int customerNumber;
     private String firstName;
     private String lastName;
     private float balance;
     public customerRecord(int cust,String fName,String lName,float bal){
          customerNumber=cust;
          firstName=fName;
          lastName=lName;
          balance=bal;
     public void setBalance(float bal){
          balance=bal;
     public float getBalance(){
          return balance;
     public void setFirstName(String fName){
          firstName=fName;
     public String getFirstName(){
          return firstName;
     public void setLastName(String lName){
          lastName=lName;
     public String getLastName(){
          return lastName;
     public void setCustomerNumber(int cust){
          customerNumber=cust;
     public int getCustomerNumber(){
          return customerNumber;
     public String toString(){
          return firstName+" "+lastName+" "+balance;
This is an example of a Record.txt file
343 Jo Ann 14.37
199 Rick Jackson 12.22
Okay, here is what the program is supposed to do:
First, the user must type in a file name, the file name in my example is Record.txt but it must work for any file typed in. That part works for me. The user types in a customer Number, in my text file that would be 343 or 199 as and example. Then, the corresponding first name, last name, and balance appears in the console. The array must be 100 in size.
Now here is my question, In my customerList.java I must have a getCustomer(int cN) method. This searches the array to find the corresponding customer record. How am I supposed to do this? I've tried everything.
I know it must use a for loop, and a if statement inside that. But, I don't know how I can compare the data, to a record. Any suggestions would be much appreciated.

Now here is my question, In my customerList.java I
must have a getCustomer(int cN) method. This
searches the array to find the corresponding customer
record. How am I supposed to do this? I've tried
everything. Everything? Like what?
Why can't you iterate through the list of customer records and compare the customerId for each one to the value you passed as a parameter? when you get a match, return the customer record that matched. if you don't find one, return null. pretty simple. what's wrong with that?
I know it must use a for loop, and a if statement
inside that. But, I don't know how I can compare the
data, to a record. Any suggestions would be much
appreciated.
What's data?
Maybe something like this:
public CustomerRecord find(int customerId)
    CustomerRecord thisCustomer = null;
    for (int i = 0; i < customerList.length; ++i)
        if (customerList.getCustomerId == customerId)
thisCustomer = customerList[i];
break;
return thisCustomer;
I used the naming conventions that I'd be using. Adapt the ideas to your stuff.

New to java looking for help.

I m using mysql n linux RH 8.my data is like this as shown below
Ticketing(my table name)
=======================
remarks(Field name)
Now what I m looking for is I retrieve the value from remarks and that
value I want to scroll below the web page.I manage to retrieve the value but don't know how to scroll below the web page plz help .
Thanx in advance

You could use a classic javascript for this. There are lots of javascript forums on the net, they could help you out. The main problem is that you have to put your DB password in the script. This is not a very safe solution.
If your web server supports JSP, use it. It's nice, easy and server side :)
http://java.sun.com/products/jsp/
Maybe writing an applet is the easiest solution. This way you have the best control on what is painted on screen and, more importantly, you don't have to show your passwords.
http://java.sun.com/docs/books/tutorial/applet/index.html

I'm new with Java programming

I'm having a problem with compiling my source files using Javac.exe.
I type the command using the command prompt.
(javac ClickMe.java)
and I get a error message.
(error: cannot read: ClickMe.java 1 error)
my op system is win2000

Enclose the name in quotes when you save.
Eg:
"ClickMe.java"
instead of
ClickMe.java
Also, you should switch to a more capable editor as a matter of urgency. At the very least, your editor should support line numbers.
Hope this helps.--
<sig> http://www.itswalky.com http://www.crfh.net </sig>

I'm new in java program... ineed help

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