Stumped with a Char Array
Okay, I give up. I've declared a character array. However, each time I try to put a character in the array or take it out, I get what appears to be the ASCII character representation of that character. (Even if I try casting it prior to going into the array or coming out of the array). Just how do I get a character into a character array?
This works for me. How does your code differ? (Maybe you could post some code for us to look at?)
import java.io.*;
public class chars {
public static void main (String args[]) {
char myArray[] = new char[5];
myArray[0] = 'a';
myArray[1] = 'b';
myArray[2] = 'c';
myArray[3] = 'd';
myArray[4] = 'e';
for (int counter = 0; i < myArray.length; counter++) {
System.out.println (myArray[counter]);
}
Similar Messages
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Here is the go folks this is a pice of code which I was helped with by a member of this forum, THANX HEAPS DUDE. What has happened now is the criteria is changed, previously it would search for a string in the vector. But now I have to have searches with wildcards, so it needs to utilize a char array methinks. So it will go through change the parameter to a char array, then go through the getDirector() method to return a director string, then it needs to loop through the char array and check if the letters are the same. then exit on the wild card. Now all this needs to be happening while this contruct down the bottom is looping through all the different elements in the moviesVector :s if anyone could give me a hand it is verry welcome. I must say also that this forum is very well run. 5 stars
public void searchMovies(java.lang.String searchTerm) {
Iterator i = moviesVector.iterator();
while (i.hasNext()) {
Movie thisMovie = (Movie)i.next();
//Now do what you want with thisMovie. for instanse:
if (thisMovie.getDirector().equals(searchTerm))
foundMovies.add(thisMovie);
//assumes foundMovies is some collection that we will
//return later... or if you just want one movie, you can:
//return thisMovie; right here.
}Sorry, I clicked submit, but i didnt enable to wtch it, so i stoped it before it had sent fully. Evidently that didnt work.
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Convert jstring to char array or int array
Hi all, please help with the following code. I've tested this code with hard coded char array and it works. Now I have to get the char array from parameter "param1" which is passed from Java.
The following code compiled with error message:
error C2223: left of '->GetStringUTFChars' must point to struct/union
JNIEXPORT void JNICALL Java_DongleSet_DongleWrite(JNIEnv *env,jobject obj,jstring param1){
char HaspBuffer[500]=(char)env->GetStringUTFChars(param1,NULL);
int Service=MEMOHASP_WRITEBLOCK;
int SeedCode=300;
int LptNum=0;
int Pass1=pass1;
int Pass2=pass2;
int p1=0;
int p2=12;
int p3=0;
int p4=(int)HaspBuffer;
hasp(Service,SeedCode,LptNum,Pass1,Pass2,&p1,&p2,&p3,&p4);
I've tried this:char HaspBuffer[500]=env->GetStringUTFChars(param1,NULL);
And this:char HaspBuffer[500]=(*env)->GetStringUTFChars(param1,NULL);
All give me errors.
Please help.char * HaspBuffer=(*env)->GetStringUTFChars(param1,NULL); When writing pure C, you have to supply the JNIEnv as first arg to every JNIEnv function pointer.char * HaspBuffer=(*env)->GetStringUTFChars(env, param1, NULL);Look here: http://developer.java.sun.com/developer/onlineTraining/Programming/JDCBook/jnistring.html
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Importing text file into 2D char array
Hey folks. I've aged a few years trying to figure this project out. Im trying to make a crossword puzzle and am having problems importing the answer letters into a 2D array of 15*15. The text file would look something like this:
LAPSE TAP RAH
AVAIL OLE ODE
BARGE PARADOX
etc
I have JTextFields that the user will answer and a button the user can press to see if the answers are right by comparing the 2D array answer with what the user inputted.-the user input would be scanned and put into a 2D array also.
How should i go about inserting each letter into an array? The spaces i would later need to make code to grey out the text field. This is what i have so far. Forgive me if its sloppy.
class gridPanel extends JPanel
//----Setting Grid variables
private static final int ROWS = 15;
private static final int COLS = 15;
String[] letters = { "A", "B", "C", "D", "E" };// To test entering strings into array
gridPanel()
this.setBackground(Color.BLUE);
//.......Making my JTextField grid for user input
JTextField[][] grid = new JTextField[ROWS][COLS];
for(int ROWS = 0; ROWS<grid.length; ROWS++)
for(int COLS = 0; COLS<grid.length; COLS++)
grid[ROWS][COLS] = new JTextField(1);
add(grid[ROWS][COLS]);
//grid[ROWS][COLS].setText("" + letters[0]);
String an = null;
StringTokenizer tokenizer = null;
Character[][] answer = new Character[ROWS][COLS];
try{
BufferedReader bufAns = new BufferedReader( new FileReader("C:\\xwordanswers.txt"));
for (int rowCurrent = 0; rowCurrent < ROWS; rowCurrent++)
an = bufAns.readLine();
tokenizer = new StringTokenizer(an);
for (int colCurrent = 0; colCurrent < COLS; colCurrent++) {
char currentValue = tokenizer.nextToken().charAt(0);//Needs to be changed to reflect each letter
answer[rowCurrent][colCurrent] = currentValue;
System.out.println(currentValue);
}catch (IOException ioex)
System.err.println(ioex);
System.exit(1);
}//xword graphics end
This obviously prints the first char of each word, it also gives me an "Exception in thread "main" java.util.NoSuchElementException" error for some reason.
Any help is greatly appreciated.
JohnIf the file format is stored as follows:
APPLE
L A
PARSE
N E
PEAR then we can parse this into a 2D char array:
char[][] readMap(String fileName) {
char[][] ret = new char[ROWS][COLS];
FileInputStream FIS = new FIleInputStream(fileName);
int i, j;
for(i = 0; i < ROWS; i++)
for(j = 0; j < COLS; j++)
ret[i][j] = FIS.read();
FIS.close();
return ret;
}Then you can use the resulting 2D char array in your answer checking mechanism.
Hope this helps~
Alex Lam S.L. -
Reading .txt file into char array, file not found error. (Basic IO)
Iv been having some trouble with reading characters from a text file into a char array. I havnt been learning io for very long but i think im getting the hang of it. Reading and writing raw bytes
and things like that. But i wanted to try using java.io.FileReader to read characters for a change and im having problems with file not found errors. here is the code.
try
File theFile = new File("Mr.DocumentReadMe.txt");
String path = theFile.getCanonicalPath();
FileReader readMe = new FileReader(path);
char buffer[] = new char[(int)theFile.length()];
int readData = 0;
while(readData != -1)
readData = readMe.read(buffer);
jEditorPane1.setText(String.valueOf(buffer));
catch(Exception e)
JOptionPane.showMessageDialog(null, e,
"Error!", JOptionPane.ERROR_MESSAGE);
The error is: java.io.FileNotFoundException: C:\Users\Kaylan\Documents\NetBeansProjects\Mr.Document\dist\Mr.DocumentReadMe.txt (The system cannot find the file specified)
The text file is saved in the projects dist folder. I have tried saving it elsewhere and get the same error with a different pathname.
I can use JFileChooser to get a file and read it into a char array with no problem, why doesnt it work when i specify the path manually in the code?Well the file clearly isn't there. Maybe it has a .txt.txt extensionthat Windows is kindly hiding from you - check its Properties.
But:
String path = theFile.getCanonicalPath();
FileReader readMe = new FileReader(path);You don't need all that. Just:
FileReader readMe = new FileReader(theFile);And:
char buffer[] = new char[(int)theFile.length()];You don't need a buffer the size of the file, this is bad practice. Use 8192 or whatever.
while(readData != -1)
readData = readMe.read(buffer);
}That doesn't make sense. Read the data into the buffer and repeat until you get EOF? and do nothing with the contents of the buffer? The canonical read loop in Java goes like this:
while ((count = in.read(buffer)) > 0)
out.write(buffer, 0, count); // or do something else with buffer[0..count-1].
jEditorPane1.setText(String.valueOf(buffer));Bzzt. That won't give you the content of 'buffer'. Use new String(buffer, 0, count) at least. -
HELP: Trouble with partial filled arrays
For HW, I have to write a deleteRepeats static method for an array of characters that deletes any character previously listed and returns the new array size. The example the problem gives is:
char a[10];
a[0]='a';
a[1]='b';
a[2]='a';
a[3]='c';
int size = 4;
size = deleteRepeats(a, size);
The problem then says after the code is executed, a[0] should be 'a', a[1] should be 'b', a[2] should be 'c' and size is 3. I read the section in my book on partially filled arrays, but I still can't get this method to work properly. Here is my code:
public static int deleteRepeats(char[] a, int size) {
size=a.length;
for(int i=0; i<size; i++) {
for(int j=1; i+j<size; j++) {
if(a==a[i+j]) {
a[i+j]=a[(i+j)+1];
size--;
return size;
With that code, when I put in the test array [aabcd], it returns 3, when it should be 4 and it changes the array to [abccd]. I'm sure there's numerous problems with my code. Any help is greatly appreciated.Please post code in code tags.
First, I have no idea why they make you work with partially-filled arrays. It seems like the worst idea in the world. You should use ArrayLists for this kind of thing.
Why do you do "size=a.length;" at the beginning of the method? You lose the size information.
And I don't see how the algorithm does what you want. When you "delete" an element from your list of numbers in the array, you need to shift all later elements backwards to fill the gap. -
Pass char array to c++ DLL and return same char array
Lectori Salutem,
Here is the situation:
Im learning TestStand, and to learn the basics, I want to do the following:
Call a (C++) DLL in TestStand with an array of chars.
The DLL should return the array of chars (or a pointer to the datalocation).
This is the code in my DLL:
TESTDLL3_API char* bounceString(char data[])
data = "Hello World";
cout << data;
char* pointer = data;
return pointer;
However, this function will not be recognized by TestStand
When this is working, I think I can build the rest of the functionality by myself.
Thanks in advance for any help!
Jeroen
The Netherlands
Solved!
Go to Solution.Sadly, in the example there is no return value to TestStand.
However, I did manage to return the pointer of the char array to TestStand:
int __declspec( dllexport ) bounceString2(char* argument)
void *pointer;
int i;
argument = "Hello";
pointer = argument;
i = (int) pointer;
return i;
So, right now I have to find out how to retrieve the char array from the pointer...
Jeroen
PS, I will look at the CVI code, and let you know about my process -
Help:How to get a java String value from a C char array?
Hi,everyone,could you help me?
the following is a C struct that i want to recieve a short message:
struct MO_msg{
unsigned long long msgID; //Message ID
char dest_id[21]; //Destination Mobile Phone Number
char service_id[10]; //
Now I want to put the "dest_id " value of this struct into a Java String variable.But I dont know how to implement it!
The following is a block of source code that i implement this functions.But it cant get a String value ,and throw out a Exception:
java.lang.NullPointerException
at java.lang.StringBuffer.append(StringBuffer.java:389)
JNIEXPORT jint JNICALL Java_md_EMAP_thread_RubeMOTSSX_getMO
(JNIEnv * env, jobject obj, jint connId, jobject mo){
struct MO_msg MO;
tssx_cmpp_api_debug_flag = 1;
int result = CMPP_Get_MO((int)connId,&MO);
if (result == 0){
jclass cls = (*env)->GetObjectClass(env,mo);
jfieldID msgId = (*env)->GetFieldID(env,cls,"msgId","J");
jfieldID dest_Id = (*env)->GetFieldID(env,cls,"dest_Id","Ljava/lang/String;");
jfieldID serviceId = (*env)->GetFieldID(env,cls,"serviceId","Ljava/lang/String;");
(*env)->SetLongField(env,mo,msgId,MO.msgID);
(*env)->SetCharField(env,mo,dest_Id,*destId);
(*env)->SetCharField(env,mo,serviceId,MO.service_id);
return result;
Please help me!Thanks!bschauwe:Thank you for your help!
Yes,just as you say,using NewString Or NewStringUTF can import a C char array into a Java String variable! But now I have another question,when i use these two functions ,i found that it cant deal with Chinese character!
do you have such experiences to deal with another language charset?if you have ,can you tell me how to deal with it. -
Char array conversion from String: toCharArray()
Greetings,
Can anyone tell me why this code:
import com.wuw.debug.Trace;
public
class charTest
public static void
main( String[] args )
String strIn = new String( "strIn" );
Trace.DTRACE( "strIn: "+strIn );
Trace.DTRACE( "strOut: "+strIn.toCharArray() );
}produces this output:
[DTRACE]: strIn: strIn
[DTRACE]: strOut: [C@1fef6f
and not:
[DTRACE]: strIn: strIn
[DTRACE]: strOut: strInBecause:
String.toCharArray returns an array of chars.
An array is basically an object in java.
Objects are converted to strings with the method toString - if it's not implemented in your class the string that method returns will be of the form classname@hashcode.
In the case of a char array, the name of the class is "[C". The hashcode of you object seems to be "1fef6f" (in hex).
You'll just have to remember that an array of chars is [i]not a string in java. -
Char arrays is it the right soultion for this problem
I've got enumerated types with each enum constant a different behavior for some method. (+, - , /, *)
I take a string i.e "(5 + 4) * (4 - 2)"
and place each string char into this array
String expression = "(5 + 4) * (4 - 2)" ;
char[] c = express.toCharArray();
I've been trying figure out how inow apply my enums method to the char array. Taking boldBODMAS*bold* in account.
enum Operation {
PLUS { double eval(double x, double y) { return x + y; } }
What fristly was spliting the string at brackets
String[] temp = express.split("[()]");
This trunt out not to work weel for nested mathematical
expressions ie. (4 + (2 * (2 - 1))) * 1.2
I'm quite new to java programming, any ideas/direction on what i should do would be great guys, thanks.Anthony42 wrote:
A while back I had to write an excel-type spreadsheet application, and we had to evaluate expressions and functions.
The easiest way we found to do it was to use a binary tree created from reverse polish notation.
http://en.wikipedia.org/wiki/Reverse_Polish_notation
It should be fairly easy to do with a stack as well.Reverse Polish is a stack implementation. But first he will need to translate the infix operator precedence based notation into a postfix notation.
If this wasn't homework the OP would be able to choose something other than the traditional grade school arithmetic model he describes as BODMAS. -
Hi! I am so stumped with having multiple Apple ID accounts. I did this not knowing what I was doing and now I can not update my iPhoto app because it tells me to log into the account that I used to purchase it. I thought I was trying to do this but I can't get anywhere.
Please help!
FloraHi Florafromco,
You can view your iTunes Store account and request assistance by following the instructions below:
iTunes Store & Mac App Store: Seeing your purchase history and order numbers
http://support.apple.com/kb/ht2727
I hope this information helps ....
The following article will provide a little more information regarding using multiple Apple ID's:
Using your Apple ID for Apple services
http://support.apple.com/kb/HT4895
I hope this information helps ....
Have a great day!
Have a great day!
- Judy -
Web.show_document cannot display file with Chinese char in IIS 6
Dear all,
There is a problem that web.show_document cannot display file with Chinese char in IIS 6, but works fine in IIS 5.
Is it a server problem or is there any setting in server? Do you know how to solve it?
Big Thanks
JYHi,
As Francois mentioned, this issue has nothing to do with forms / web.show_document. web.show_document, just opens the URL specified as parameter. So, if you run the URL (that you've passed as argument for web.show_document), directly in the browser, you would be getting the same issue.
So, as you said, if it works fine in IIS 5 and does not in IIS 6, it would be an issue with the IIS and not forms. You might want to check out the IIS 6 release notes / documentation for any known issues / raise an issue in that.
-Arun -
Help with comparing string array with parameters
I've posted my code in full so hopefully everyone can see exactly what I have been doing.
Note - my code uses the observer/observable model. The method I am having the problem with the if statement is in the class HSBC.
Basically when the pin count reaches 4 (in the atm class) it sends the userid & pincode) over to the checkPinAndUserId(String pinCode, String userCode) method. Here the if statement should check the userid to see if the string parameter matches a string in the array. If it does it should check in the same position in the pin array to check the pin no is correct and then return true.
* @(#)BankAssignment.java 1.0 03/04/06
* This apllication l
package myprojects.bankassignment;
import java.awt.*; // import the component library
import java.awt.event.*; // import the evnet library
import javax.swing.*;
import java.util.*;
class Correct1v16 extends Frame // make a new application
public Correct1v16() // this is the constructor method
HSBC HSBCobj = new HSBC();
public static void main(String args[]) // this invokes the constructor of the class and creates a runable object 'mainframe'
Correct1v16 mainFrame = new Correct1v16(); // the constructor call of the class which creates an object of that class
class HSBC implements Observer, ActionListener
Frame f5;
JLabel refill, launch;
TextField tRefill, tLaunch;
JButton refillbut, launchbut;
int count;
String [] userId=new String [10];
String [] pin=new String [10];
public boolean authenticate = false;
int i;
public HSBC()
drawFrame();
Atm Atmobj = new Atm(this);
System.out.println("Starting HSBC constructor");
public void drawFrame()
System.out.println("Start HSBC drawframe method...");
f5=new Frame("HSBC");
f5.setLayout(new FlowLayout());
f5.setSize(200, 200);
f5.addWindowListener(new WindowAdapter()
public void windowClosing(WindowEvent e)
f5.dispose();
System.exit(0);
refill=new JLabel("Refill ATM");
launch=new JLabel("Launch new ATM");
tRefill=new TextField(20);
tLaunch=new TextField(10);
refillbut=new JButton("Refill ATM");
refillbut.addActionListener(this);
launchbut=new JButton("Launch new ATM");
launchbut.addActionListener(this);
f5.add(refill);
f5.add(tRefill);
f5.add(refillbut);
f5.add(launch);
f5.add(tLaunch);
f5.add(launchbut);
f5.setVisible(true);
//*********** POPULATE THE ARRAYS */
pin[0]="1234";
pin[1]="2345";
pin[2]="3456";
pin[3]="4567";
pin[4]="5678";
pin[5]="6789";
pin[6]="7890";
pin[7]="8901";
pin[8]="9012";
pin[9]="0123";
userId[0]="0";
userId[1]="1";
userId[2]="2";
userId[3]="3";
userId[4]="4";
userId[5]="5";
userId[6]="6";
userId[7]="7";
userId[8]="8";
userId[9]="9";
}// end drawframe method
// public Atm atmLink = (Atm)o;
public void update(Observable gm1, Object o)
Atm atmLink = (Atm)o;
tRefill.setText("Refill ATM ?");
atmLink.refill();
}//end update method
public void actionPerformed(ActionEvent ae)
if(ae.getSource() == refillbut)
// Atm Atmobj.refill();
// tRefill.setText("text area");
// atmLink.refill();
// Atmobj.refill();
// setChanged();
// notifyObservers();
if(ae.getSource() == launchbut)
tLaunch.setText("new ATM opened");
Atm Atmobj1 = new Atm(this);
//******** THIS METHOD RECEIVES THE PARAMETERS FROM THE ATM METHOD (LINE 580) (PINCODE AND USERCODE) BUT
//******** IT ONLY THE ARRAY CALLED USERID (WHICH HOLDS THE USER CODE MATCHES ONE OF THE USERID'S)
//******** I DO WANT IT TO DO THIS BUT I ALSO WANT IT TO MOVE ON AND CHECK THE PINCODE WITH THE PIN ARRAY)
//******** IF THEY ARE BOTH TRUE I WANT IT TO RETURN TRUE - ELSE FALSE. */
public boolean checkPinAndUserId(String userCode, String pinCode)
boolean found = false;
System.out.println("in checkpin method");
System.out.println("userCode = "+ userCode);
System.out.println("pinCode = " + pinCode);
for (int i = 0; i < userId.length; i++)
System.out.println("in the userid array" + userId);
if (userCode.equals(userId[i]))
System.out.println("checking user code array");
if (pinCode.equals(pin[i]))
System.out.println("checking the pin array" + pinCode);
System.out.println("pin[i] = "+pin[i]);
found = true;
return found;
}// end HSBC class
class Atm extends Observable implements ActionListener
Frame f1;
TextField t3, t5;
JTextArea display = new JTextArea("Welcome to HSBC Bank. \n Please enter your User Identification number \n", 5, 40);
JPanel p1, p2, p3,p4;
private JButton but1, but2, but3, but4,but5,but6,but7,but8,but9,but0,enter,
cancel,fivepounds,tenpounds,twentypounds,fiftypounds,clearbut, refillbut;
int state = 1;
public String pinCode ="";
public String userCode ="";
int userCodeCount = 0;
int PINCount = 0;
String withdrawAmount = "";
int atmBalance =200;
private HSBC HSBCobj;
//ATM constructor that receives the HSBCobj g1 reference to where the HSBC class
// in in the program
// Calls the drawATMFrame method
// add the observer to the HSBCobj reference so that the ATM can tell HSBC that
// something has changed
public Atm(HSBC g1)
HSBCobj = g1;
drawATMFrame();
System.out.println("Starting Atm constructor");
addObserver(HSBCobj);
// this is the method that draws the ATM interface
// also apply the Border Layout to the frame
public void drawATMFrame()
f1=new Frame("ATM");
f1.setLayout(new BorderLayout());
f1.setSize(350, 250);
f1.addWindowListener(new WindowAdapter()
public void windowClosing(WindowEvent e)
f1.dispose();
System.exit(0);
// declare & instantiate all the buttons that will be used on the ATM
but1 =new JButton("1");
but1.addActionListener(this);
but2 =new JButton("2");
but2.addActionListener(this);
but3 =new JButton("3");
but3.addActionListener(this);
but4 =new JButton("4");
but4.addActionListener(this);
but5 =new JButton("5");
but5.addActionListener(this);
but6 =new JButton("6");
but6.addActionListener(this);
but7 =new JButton("7");
but7.addActionListener(this);
but8 =new JButton("8");
but8.addActionListener(this);
but9 =new JButton("9");
but9.addActionListener(this);
but0 =new JButton("0");
but0.addActionListener(this);
enter=new JButton("Enter");
enter.addActionListener(this);
cancel=new JButton("Cancel/ \n Restart");
cancel.addActionListener(this);
fivepounds =new JButton("?5");
fivepounds.addActionListener(this);
tenpounds = new JButton("?10");
tenpounds.addActionListener(this);
twentypounds = new JButton("?20");
twentypounds.addActionListener(this);
fiftypounds = new JButton("?50");
fiftypounds.addActionListener(this);
clearbut = new JButton("Clear");
clearbut.addActionListener(this);
refillbut = new JButton("Refill");
refillbut.addActionListener(this);
//declare & instantiate a textfield
t3=new TextField(5);
// instantiate 4 JPanels
p1=new JPanel();
p2=new JPanel();
p3=new JPanel();
p4=new JPanel();
// add some buttons to p1
p1.add(but1);
p1.add(but2);
p1.add(but3);
p1.add(but4);
p1.add(but5);
p1.add(but6);
p1.add(but7);
p1.add(but8);
p1.add(but9);
p1.add(but0);
//add the text area field to p2
p2.add(display);
// apply the grid layout to p3
GridLayout layout3 = new GridLayout(4,1,5,5);
p3.setLayout(layout3);
p3.add(fivepounds);
p3.add(tenpounds);
p3.add(twentypounds);
p3.add(fiftypounds);
// apply grid layout to p4
GridLayout layout4 = new GridLayout(4,1,5, 5);
p4.setLayout(layout4);
p4.add(clearbut);
p4.add(enter);
p4.add(cancel);
p4.add(refillbut);
//add the panels to the different parts of the screen
f1.add("North", display);
f1.add("Center", p1);
f1.add("East", p4);
f1.add("West", p3);
f1.setVisible(true);
}// end drawATMframe method
public void actionPerformed(ActionEvent ae)
if(state == 1)
getUserIdNo(ae);
else if(state == 2)
doPINInput(ae);
else
withdrawCash(ae);
}// end action performed method
//******** STATE 1 events*/
//******** USER ID INPUT*/
public void getUserIdNo (ActionEvent ae)
if (ae.getSource() == but1)
display.append("*");
userCode = userCode + "1";
userCodeCount++;
if (ae.getSource() == but2)
display.append("*");
userCode = userCode + "2";
userCodeCount++;
if (ae.getSource() == but3)
display.append("*");
userCode = userCode + "3";
userCodeCount++;
System.out.println("user id ="+userCode);
if (ae.getSource() == but4)
display.append("*");
userCode = userCode = "4";
userCodeCount++;
System.out.println("user id ="+userCode);
if (ae.getSource() == but5)
display.append("*");
userCode = userCode + "5";
userCodeCount++;
System.out.println("user id ="+userCode);
if (ae.getSource() == but6)
display.append("*");
userCode = userCode + "6";
userCodeCount++;
System.out.println("user id ="+userCode);
if (ae.getSource() == but7)
display.append("*");
userCode = userCode + "7";
userCodeCount++;
System.out.println("user id ="+userCode);
if (ae.getSource() == but8)
display.append("*");
userCode = userCode + "8";
userCodeCount++;
System.out.println("user id ="+userCode);
if (ae.getSource() == but9)
display.append("*");
userCode = userCode + "9";
userCodeCount++;
System.out.println("user id ="+userCode);
if (ae.getSource() == but0)
display.append("*");
userCode = userCode + "0";
userCodeCount++;
System.out.println("user id ="+userCode);
if (ae.getSource() == cancel)
display.setText("Welcome to HSBC Bank.\n Please enter your User Identification number \n");
userCode = "";
state = 2;
if (ae.getSource() == clearbut)
display.setText("Please enter your user ID number again\n");
userCode = "";
userCodeCount = 0;
if (ae.getSource() == refillbut)
refill();
if (ae.getSource() == enter)
display.setText("Please enter your PIN \n");
state = 2;
System.out.println(" User id enter button = " + userCode);
if (userCodeCount == 1)
display.setText("Please enter your PIN \n");
//userCode = "";
userCodeCount = 0;
state = 2;
//******** STATE 2 */
//******** PIN INPUT*/
public void doPINInput(ActionEvent ae)
if (ae.getSource() == but1)
{ pinCode = pinCode.concat("1");
display.append("*");
PINCount++;
if (ae.getSource() == but2)
{ pinCode = pinCode.concat("2");
display.append("*");
PINCount++;
if (ae.getSource() == but3)
{ pinCode = pinCode.concat("3");
display.append("*");
PINCount++;
if (ae.getSource() == but4)
{ pinCode = pinCode.concat("4");
display.append("*");
PINCount++;
if (ae.getSource() == but5)
{ pinCode = pinCode.concat("5");
display.append("*");
PINCount++;
if (ae.getSource() == but6)
{ pinCode = pinCode.concat("6");
display.append("*");
PINCount++;
if (ae.getSource() == but7)
{ pinCode = pinCode.concat("7");
display.append("*");
PINCount++;
if (ae.getSource() == but8)
{ pinCode = pinCode.concat("8");
display.append("*");
PINCount++;
if (ae.getSource() == but9)
{ pinCode = pinCode.concat("9");
display.append("*");
PINCount++;
if (ae.getSource() == but0)
{ pinCode = pinCode.concat("0");
display.append("*");
PINCount++;
if (ae.getSource() == clearbut)
display.setText("Please enter your PIN number again \n");
pinCode = "";
PINCount = 0;
if (ae.getSource() == cancel)
display.setText("Welcome to HSBC Bank.\n Please enter your User Identification number \n");
state = 1;
pinCode ="";
PINCount = 0;
if (ae.getSource() == refillbut)
refill();
/// ************************ THIS BUTTON SENDS THE PIN & USER CODE OVER TO THE MAIN BANK*/
/// ************************ (LINE 152) */
if (ae.getSource() == enter)
// if(HSBCobj.checkPinAndUserId(pinCode, userCode))
// display.setText("How much would you like to withdraw \n");
// else
// display.setText("Your UserId and Pin code do not match");
if(PINCount ==4)
if(HSBCobj.checkPinAndUserId(userCode,pinCode))
display.setText("Enter the amount you \n want to withdraw \n ?");
PINCount=0;
else
display.setText("Your User Identification Number \n and PIN number do not match! \n please try again\n");
//*********** STATE 3 events*/
//*********** withdrawCash*/
public void withdrawCash(ActionEvent ae)
// if (ae.getSource() == but1)
// display.append("1");
/// withdrawAmount = withdrawAmount+1;
// pinCode = pinCode.concat("2");
// System.out.println("Withdrawal Amount = "+withdrawAmount);
if(ae.getSource( ) == but1)
withdrawAmount = withdrawAmount + "1";
display.setText(withdrawAmount);
if(ae.getSource( ) == but2)
withdrawAmount = withdrawAmount + "2";
display.setText(withdrawAmount);
if(ae.getSource( ) == but3)
withdrawAmount = withdrawAmount + "3";
display.setText(withdrawAmount);
if(ae.getSource( ) == but4)
withdrawAmount = withdrawAmount + "4";
display.setText(withdrawAmount);
if(ae.getSource( ) == but5)
withdrawAmount = withdrawAmount + "5";
display.setText(withdrawAmount);
if(ae.getSource( ) == but6)
withdrawAmount = withdrawAmount + "6";
display.setText(withdrawAmount);
if(ae.getSource( ) == but7)
withdrawAmount = withdrawAmount + "7";
display.setText(withdrawAmount);
if(ae.getSource( ) == but8)
withdrawAmount = withdrawAmount + "8";
display.setText(withdrawAmount);
if(ae.getSource( ) == but9)
withdrawAmount = withdrawAmount + "9";
display.setText(withdrawAmount);
if(ae.getSource( ) == but0)
withdrawAmount = withdrawAmount + "0";
display.setText(withdrawAmount);
if (ae.getSource() == fivepounds)
withdrawAmount = withdrawAmount + "5";
display.setText(withdrawAmount);
atmBalance();
if (ae.getSource() == tenpounds)
withdrawAmount = withdrawAmount + "10";
display.setText(withdrawAmount);
atmBalance();
if (ae.getSource() == twentypounds)
withdrawAmount = withdrawAmount + "20";
display.setText(withdrawAmount);
atmBalance();
if (ae.getSource() == fiftypounds)
withdrawAmount = withdrawAmount + "50";
display.setText(withdrawAmount);
atmBalance();
// if (ae.getSource() == tenpounds)
// display.append("10");
// withdrawAmount = 10;
// pinCode = pinCode.concat("2");
// System.out.println("10 pound button pressed");
// atmBalance();
if (ae.getSource() == enter)
atmBalance();
if (ae.getSource() == refillbut)
System.out.println("refill but pressed");
refill();
if (ae.getSource() == clearbut)
System.out.println("clear but pressed");
display.setText("Enter the amount you want to withdraw \n ?");
withdrawAmount="";
if (ae.getSource() == cancel)
display.setText("Welcome to HSBC Bank.\n Please enter your User Identification number \n");
withdrawAmount="";
pinCode ="";
PINCount = 0;
userCode = "";
userCodeCount = 0;
state = 1;
}// end withdraw cash input method
// checks balace of atm and withdraws cash. Also notifies onserver if atm balance is low
public void atmBalance()
String s = withdrawAmount;
int n = Integer.parseInt(s);
if ( atmBalance >= n)
atmBalance = atmBalance - n;
System.out.println("atm balance = "+ atmBalance);
display.setText("Thankyou for using HSBC. \nYou have withdrawn ?"+n);
if (atmBalance<40)
System.out.println("atm balance is less than 40 - notify HSBC" );
setChanged();
notifyObservers(this);
/// note the refil should send a message to the controller
// advising a refil is needed. The Bank will send an engineer
// out who will fill the atm up
}// end atmBalance method
/// note the refil should send a message to the controller
/// then th coontroller will send a message to this method to fill machine
/// (this is simulating a clerk filling atm)
public void refill()
System.out.println("in refill method" );
atmBalance = 200;
System.out.println("Atm has been refilled. Atm balance = " + atmBalance);
// setChanged();
// notifyObservers(this);
}// end refill method
// NOTE SURE ABOUT THIS - DO I USE THE UPDATE METHOD TO NOTIFY HSBC THAT ATM REQUIRES FILLING
// THIS IS THE WRONG PART OF THE PROGRAM (SHOULD BE IN HSBC) - IGNORE
public void update(Observable gm1, Object gameObj)
display.setText("Congratulations");
}//end update method
}// end Atm method
}// end Assignment2 clas
[\code]I wasn't trying to annoy anyone at all.
I'm new to java and have been told that using the observer/observable model is not considered basic java. So that is the only reason I posted it in this section. At the same time i feel that the bit I'm struggling with is actually basic - hence posting it in the basic section. I'm not sure if people of all abilities check all forums or just the ones they feel at at their standard.
So appologies if you've taken offence. -
Problem with special chars in BLOB datatype using contains keyword
Facing problem, when part searching with special chars in BLOB datatype. It is considering the non alpha-numeric chars as a separtor in a provided string
EX:
SELECT *
FROM RESUME_TEST P,grst_candidate d
WHERE d.candidate_id = p.candidate_id
AND CONTAINS(P.CAND_RESUME,'%VB.NET%',1) > 0
Strings: , VB.NET , PL/SQL AS/400 , C etc..
Followed the below approaches
1) created a table:
Syntax: create table resume_Test(cand_id number(10),cand_resume blob);
2) inserted the values into this table upto 60,000
3) created a context index
3.1 created preferences
Syntax:
BEGIN
ctx_ddl.create_preference('try_lexer3','BASIC_LEXER');
ctx_ddl.set_attribute('try_lexer3','printjoins','-_~!@#$%^&*(){}[],=?\;|><.+');
END;
3.2 created context index
Syntax:
CREATE INDEX CANDRESUME_CTX_IDX ON resume_test (cand_resume)
INDEXTYPE IS CTXSYS.CONTEXT
PARAMETERS ('LEXER try_lexer3 memory 500M');
4) while executing this index, it is taking much time approx 6 hrs(plz explain why it is taking time)
5) Problems:
5.1 when searching with string(VB.NET , PL/SQL AS/400 , C etc..) it is considering the special char as a separator
5.2 used escape char (\) also, but no effect
5.3 when searching with single char, it is giving error (ORA-29902,ORA-20000,DRG-51030)
5.4 getting the above error with wild card chars (& ,_, (),{},[])
So, please explain the clear scenarios, why am getting this error , and how to get the proper results.Have you tried adding the / char to the printjoin characters?
Indexing can take a lot of time, depending on the amount of data and your machine's power. You could try to parallelize the index creation and / or assign more memory
CREATE INDEX CANDRESUME_CTX_IDX ON resume_test (cand_resume)
INDEXTYPE IS CTXSYS.CONTEXT
PARAMETERS ('LEXER try_lexer3 memory 2000M') PARALLEL 8; -
Hi all,
I am having trouble displaying Unicode chars both in an Applet and in the command prompt window. I am using awt. The characters I want to display are: \u2228, \u2283, \u2261. These characters display correctly from AppletViewer when I add them to ChoiceBoxes, they display correctly in some browsers (isn't Unicode fairly universal by now? Do most browsers support it?), but not correctly when I try to put them into a TextField, using this simple code:
public void keyTyped(KeyEvent e) {
if(e.getKeyChar() == '/') {
e.setKeyChar('\u2228');
if(e.getKeyChar() == '.') {
e.setKeyChar('\u2283');
System.out.println(e.getKeyChar());
if(e.getKeyChar() == ',') {
e.setKeyChar('\u2261');
System.out.println(e.getKeyChar());
Any help is greatly appreciated, thanks!Er, forgot to mention, the chars display as either a
black bar, sort of a square, This happens when there is no suitable font for the codepoint, and the system doesn't know how to convert a codepoint to another codepoint for which there is a suitable font. The latter mechanism allow to use non-unicode fonts with unicode chars.
a question mark, That's possibly another issue. '?' usually appears while
converting chara�ter into bytes, specifically if an encoding doesn't have an appropriate rule for a particular character.
For example, the "Cp1251" encoding knows nothing of Greek characters, and so converts them into ?'s.
Such conversion may occur when a java string is passed
into a native window system, because such systems often are non-unicode.
and an equal signCompletely illegal behaviour, usually occurs in very old JVM's.
Note that Swing is always correct with unicode.
A relevant documentation is here:
http://java.sun.com/j2se/1.3/docs/guide/intl/addingfonts.html
and
http://java.sun.com/j2se/1.3/docs/guide/intl/fontprop.html
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