JOptionPane help please - I'd be v. grateful
Hi,
Can you help me please? I'm just learning Java and was curious if it's possible to change the font color of text in a MessageDialog?
For example, if I was saying something like
JoptionPane.showMessageDialog(null,
"\n I have 2 cats" +
"\n I have 1 dog" +
"\n I have 3 budgerigars" +
"\n" +
"\n I have " + numberOfPets + " pets", JOptionPane.INFORMATION_MESSAGE)How do I change the last line for example to be in red and perhaps bold?
Also for the lines above the last line, I wanted to indent these but if I try "\t" after the "\n", it does not work.
Can somebody help me please?
Many thanks
Edited by: steveb on Nov 6, 2007 10:50 AM
If you are new to Java, you shouldn't be worrying about little tweaks like this -- concentrate on learning object-oriented concepts.
Anyway, the message string can include some html markup:
String msg = "<html>foo <i>bar</i> <font color='green'>baz</font></html>";
JOptionPane.showMessageDialog(null,msg);
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Can't Left Click in Flash Player Settings Panel - HELP PLEASE
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Right click does work.
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I have tried all of the following but nothing has resolved the problem.
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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?
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Window DEP (Deta Execution Protection) stops me printing pdfs and the print crashes.
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Help please no luck recording vinyl thru line-in port on External USB Soundblaster Live 24bit
Help please! I have connected LP turntable (I am assured which has preamp inbuilt) to line-in port on S/Blaster external using lead inbuilt from?turntable with white/red RCA plugs with a line -in plug converter. Then connected external soundcard?to the notebook USB-USB as per manual. I have tried Creative's Smart Recorder but it shows no sound coming through on Analysis (same with Audiograbber software too). Sound card diagnostics show sound card OK and I can plug in headphones and get output. I am thinking hardware connection issue as I connected direct from turntable to microphone input &?got loud mike low quality recording but I ustand this is not recommended as can blow sound card (and poor receording anyway)?Is there another device I can easily plug into line in to test - or any other ideas gratefully received.
hardingt2345 wrote:
Help please! I have connected LP turntable (I am assured which has preamp inbuilt) to line-in port on S/Blaster external using lead inbuilt from?turntable with white/red RCA plugs with a line -in plug converter. Then connected external soundcard?to the notebook USB-USB as per manual. I have tried Creative's Smart Recorder but it shows no sound coming through on Analysis (same with Audiograbber software too). Sound card diagnostics show sound card OK and I can plug in headphones and get output. I am thinking hardware connection issue as I connected direct from turntable to microphone input &?got loud mike low quality recording but I ustand this is not recommended as can blow sound card (and poor receording anyway)?Is there another device I can easily plug into line in to test - or any other ideas gratefully received.
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Need quick help please!! Fast!
Here is my code... I know it's long, but it's simple. The only part I'm having trouble with is the very end. You don't really have to know what point of this to help me figure out the problem. Near the very bottom, you'll see the line "double refund = (startcancount/startendcount)*premium;". For some reason, this keeps coming out as zero, even though I run it through the debugger and every single one of the variables has a non-zero value. I cannot figure it out. I tried changing the data type to float to no avail. What is the problem!?
package isys202p1;
import javax.swing.JOptionPane;
public class ISys202P1 {
public static void main(String[] args) {
//Initialized variables for storing the string values of the entered names, premium
String firstname;
String middlename;
String lastname;
String response = null;
double premium = 0;
int startyear = 0;
int startmonth = 0;
int startday = 0;
int endyear = 0;
int endmonth = 0;
int endday = 0;
int canyear = 0;
int canmonth = 0;
int canday = 0;
int startendcount = 0;
int startcancount = 0;
String ssmonth = null;
String esmonth = null;
String csmonth = null;
//Prompts user for first name and stores it in the string variable firstname
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//Prompts user for middle name and stores it in the string variable middlename
middlename = JOptionPane.showInputDialog("Please enter your middle name");
//Prompts user for last name and stores it in the string variable lastname
lastname = JOptionPane.showInputDialog("Please enter your last name:");
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response = JOptionPane.showInputDialog("Please enter your premium amount: $");
premium = Double.parseDouble(response);
//Prompts the user for the starting date of the policy term (year)
response = JOptionPane.showInputDialog("Please enter the starting date for the policy term (year)");
startyear = Integer.parseInt(response);
//Prompts the user for the starting date of the policy term (month)
response = JOptionPane.showInputDialog("Please enter the starting date for the policy term (month)");
startmonth = Integer.parseInt(response);
//Prompts the user for the starting date of the policy term (day)
response = JOptionPane.showInputDialog("Please enter the starting date for the policy term (day)");
startday = Integer.parseInt(response);
//Prompts the user for the ending date of the policy term (year)
response = JOptionPane.showInputDialog("Please enter the ending date for the policy term (year)");
endyear = Integer.parseInt(response);
//Prompts the user for the ending date of the policy term (month)
response = JOptionPane.showInputDialog("Please enter the ending date for the policy term (month)");
endmonth = Integer.parseInt(response);
//Prompts the user for the ending date of the policy term (day)
response = JOptionPane.showInputDialog("Please enter the ending date for the policy term (day)");
endday = Integer.parseInt(response);
//Prompts the user for the effective date of the policy cancellation (year)
response = JOptionPane.showInputDialog("Please enter the effective date for the policy cancellation (year)");
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response = JOptionPane.showInputDialog("Please enter the effective date for the policy cancellation (day)");
canday = Integer.parseInt(response);
//if statements that account for mid-year starting dates
if (startmonth==1)
startcancount=0+startday;
if (startmonth==2)
startcancount=31+startday;
if (startmonth==3)
startcancount=59+startday;
if (startmonth==4)
startcancount=90+startday;
if (startmonth==5)
startcancount=120+startday;
if (startmonth==6)
startcancount=151+startday;
if (startmonth==7)
startcancount=181+startday;
if (startmonth==8)
startcancount=212+startday;
if (startmonth==9)
startcancount=243+startday;
if (startmonth==10)
startcancount=274+startday;
if (startmonth==11)
startcancount=304+startday;
if (startmonth==12)
startcancount=335+startday;
//if statements that account for mid-year ending dates
if (canmonth==1)
startcancount=startcancount+canday;
if (canmonth==2)
startcancount=startcancount+31+canday;
if (canmonth==3)
startcancount=startcancount+59+canday;
if (canmonth==4)
startcancount=startcancount+90+canday;
if (canmonth==5)
startcancount=startcancount+120+canday;
if (canmonth==6)
startcancount=startcancount+151+canday;
if (canmonth==7)
startcancount=startcancount+181+canday;
if (canmonth==8)
startcancount=startcancount+212+canday;
if (canmonth==9)
startcancount=startcancount+243+canday;
if (canmonth==10)
startcancount=startcancount+274+canday;
if (canmonth==11)
startcancount=startcancount+304+canday;
if (canmonth==12)
startcancount=startcancount+335+canday;
//if statements that account for mid-year starting dates
if (startmonth==1)
startendcount=0+startday;
if (startmonth==2)
startendcount=31+startday;
if (startmonth==3)
startendcount=59+startday;
if (startmonth==4)
startendcount=90+startday;
if (startmonth==5)
startendcount=120+startday;
if (startmonth==6)
startendcount=151+startday;
if (startmonth==7)
startendcount=181+startday;
if (startmonth==8)
startendcount=212+startday;
if (startmonth==9)
startendcount=243+startday;
if (startmonth==10)
startendcount=274+startday;
if (startmonth==11)
startendcount=304+startday;
if (startmonth==12)
startendcount=335+startday;
//if statements that account for mid-year ending dates
if (endmonth==1)
startendcount=startendcount+endday;
if (endmonth==2)
startendcount=startendcount+31+endday;
if (endmonth==3)
startendcount=startendcount+59+endday;
if (endmonth==4)
startendcount=startendcount+90+endday;
if (endmonth==5)
startendcount=startendcount+120+endday;
if (endmonth==6)
startendcount=startendcount+151+endday;
if (endmonth==7)
startendcount=startendcount+181+endday;
if (endmonth==8)
startendcount=startendcount+212+endday;
if (endmonth==9)
startendcount=startendcount+243+endday;
if (endmonth==10)
startendcount=startendcount+274+endday;
if (endmonth==11)
startendcount=startendcount+304+endday;
if (endmonth==12)
startendcount=startendcount+335+endday;
//for loop that counts the days between the beginning and end of the policy
for (int startcount = startyear; startcount < canyear; startcount++){
startcancount = startcancount + 365;
if (((startcount%4==0) & (startcount%100!=0)) | ((startcount%400==1) & (startcount%100==0))){
startcancount = startcancount + 1;
for (int startcount = startyear; startcount < endyear; startcount++){
startendcount = startendcount + 365;
if (((startcount%4==0) & (startcount%100!=0)) | ((startcount%400==1) & (startcount%100==0))){
startendcount = startendcount + 1;
//[Start String Month] Assigns the number for starting month entered to its corresponding month (starting date)
if (startmonth == 1)
ssmonth = "January";
if (startmonth == 2)
ssmonth = "February";
if (startmonth == 3)
ssmonth = "March";
if (startmonth == 4)
ssmonth = "April";
if (startmonth == 5)
ssmonth = "May";
if (startmonth == 6)
ssmonth = "June";
if (startmonth == 7)
ssmonth = "July";
if (startmonth == 8)
ssmonth = "August";
if (startmonth == 9)
ssmonth = "September";
if (startmonth == 10)
ssmonth = "October";
if (startmonth == 11)
ssmonth = "November";
if (startmonth == 12)
ssmonth = "December";
//[cancellation string month]Assigns the number for ending month entered to its corresponding
//month (cancellation effective date)
if (canmonth == 1)
csmonth = "January";
if (canmonth == 2)
csmonth = "February";
if (canmonth == 3)
csmonth = "March";
if (canmonth == 4)
csmonth = "April";
if (canmonth == 5)
csmonth = "May";
if (canmonth == 6)
csmonth = "June";
if (canmonth == 7)
csmonth = "July";
if (canmonth == 8)
csmonth = "August";
if (canmonth == 9)
csmonth = "September";
if (canmonth == 10)
csmonth = "October";
if (canmonth == 11)
csmonth = "November";
if (canmonth == 12)
csmonth = "December";
//Assigns the number for ending month entered to its corresponding month (ending date)
if (endmonth == 1)
esmonth = "January";
if (endmonth == 2)
esmonth = "February";
if (endmonth == 3)
esmonth = "March";
if (endmonth == 4)
esmonth = "April";
if (endmonth == 5)
esmonth = "May";
if (startmonth == 6)
ssmonth = "June";
if (endmonth == 7)
esmonth = "July";
if (endmonth == 8)
esmonth = "August";
if (endmonth == 9)
esmonth = "September";
if (endmonth == 10)
esmonth = "October";
if (endmonth == 11)
esmonth = "November";
if (endmonth == 12)
esmonth = "December";
double refund = (startcancount/startendcount)*premium;
//The final output consisting of the users first name, middle name, and last name.
JOptionPane.showMessageDialog(null, "Name: " + firstname + " " + middlename + " " + lastname + "\n" +
"Premium: $" + premium + "\n" + "Date: " + ssmonth + " " + startday + ", " + startyear + "\n" +
"End Date: " + esmonth + " " + endday + ", " + endyear + "\n" + "Effective Date: " + csmonth +
" " + canday + ", " + canyear + "\n" + "Refund: " + refund);
}DeLorean wrote:
If I want the program to repeat itself (except for entering the names), how would I do it using a for loop? Could someone edit my code to show me?Why don't you try it yourself?
If you have tried, but failed to get it working, then you can post back here. Be sure that when asking a question here, the chances in getting helpful answers increase dramatically when you:
- show what you have already tried;
- post code using code tags;
- use a meaningful title for your question;
- DONT try to hurry those who are able to help you with words like "fast", "asap", "urgent", etc. -
I use Microsoft XP on my PC, where r my pictures from my iPad? I need to know how to send pictures to Walgreens, etc so I can get them printed. Help please!
I am legally blonde and not very tech savvy, so I don't really know how to do that. I know ur time is valuable, so could u possibly give me a short tutorial? I would b very grateful! I use the camera kit to get my pics from my sd card to my iPad and also from my iPhone to my iPad. Had I known I would have this problem, I would not have transferred my pics to my iPad until after I took the sd card and had my pics printed.
-
"HiLo" number guessing game not working - Help please!
My game is compiling and read's right (in my head) but doesn't appear to work, any help is highly appreciated, thank you.
Source code. More specifically, I think that it's properly getting the random number, but the guess prompt is not appearing, probably because of my while(random!=number) line?
import javax.swing.JOptionPane;
import java.util.Random;
* High-Low (HiLo) game.
* @author
* @version 11/18/2010
public class HiLo
String randomNumber = "";
int random;
String userNum = "";
int number;
* Asks player if he wants to play, gets random number, gets user guess, checks the users guess, asks to repeat.
public void play()
getRandom();
while(random!=number)
getGuess();
checkGuess();
* Gets the users guess.
public int getGuess()
userNum = JOptionPane.showInputDialog ("Please Guess the number");
int number = Integer.parseInt(userNum);
return number;
* Gets a random number between 0 and 100
* int named random
public int getRandom()
Random randomNumber = new Random();
int random = randomNumber.nextInt(101);
return random;
* Checks to see if the user's guess is an integer, between 0 and 100, and returns if
* they're guess is too high or too low.
public void checkGuess()
if (number==random)
JOptionPane.showMessageDialog(null, "You Win!");
else if (number<random)
JOptionPane.showMessageDialog(null, "Too low, guess again!");
else if (number>random)
JOptionPane.showMessageDialog(null, "Too high, guess again!");
}Edited by: 811146 on Nov 18, 2010 3:11 PMSorry about that Darryl,
a few more questions on this code though.
1.How can I have my getGuess() only accept integers?
here it is now:
public int getGuess()
userNum = JOptionPane.showInputDialog ("Guess a number between 0 and 100");
number = Integer.parseInt(userNum);
return number;
}and 2. How can I keep my whole play() in a loop? So that the game starts over
my play() right now:
public void play()
getRandom();
while(random!=number)
getGuess();
checkGuess();
numberGuesses = 0;
playAgain();
}sorry, first year student!
thanks for any help. All of the code if needed:
import javax.swing.JOptionPane;
import java.util.Random;
* High-Low (HiLo) game. User guesses numbers while trying to guess a random number. Number of guesses is recorded and the user is told
* at the end of the game after winning.
* @author ----------
* @version 11/18/2010
public class HiLo
String randomNumber = "";
String userNum = "";
int random;
int number;
int numberGuesses;
* Asks player if he wants to play, gets random number, gets user guess, checks the users guess, asks to repeat.
public void play()
getRandom();
while(random!=number)
getGuess();
checkGuess();
numberGuesses = 0;
playAgain();
* Gets the users guess.
public int getGuess()
userNum = JOptionPane.showInputDialog ("Guess a number between 0 and 100");
number = Integer.parseInt(userNum);
return number;
* Gets a random number between 0 and 100
* int named random
public int getRandom()
Random randomNumber = new Random();
random = randomNumber.nextInt(101);
return random;
* Checks to see if the user's guess is an integer, between 0 and 100, and returns if
* they're guess is too high or too low.
public void checkGuess()
numberGuesses = numberGuesses+1;
if (number==random)
JOptionPane.showMessageDialog(null, "You Win!" + " " + "Number of guesses:" + " " + numberGuesses);
else if (number<random)
JOptionPane.showMessageDialog(null, "Too low, guess again!");
else if (number>random)
JOptionPane.showMessageDialog(null, "Too high, guess again!");
* Asks the user if they want to play again.
public void playAgain()
JOptionPane.showMessageDialog(null, "play again?");
}-javaStudent -
I had 10$ gift card that works only on US. I redeemed the gift card but back in the game i get buy stuff and it says "you cant buy in US store you must swich bla bla bla" i dont want ti swich because the 10 $ works only at the US store. Help please.
Hello SBentley22,
I can only imagine how upset I would be to discover that over $1000 in gift card funds seemed to be missing. I certain that I would not do well with the additional complications that you've described either. I apologize for you and your boyfriend having to cope with this situation. Certainly this was never our goal.
I was unable to locate the purchases or returns that you mention using the information you provided when you signed up for Best Buy Unboxed. I would very much like to look into this situation for you and do what I can to help, but I will need more information to begin. If you will please send me a private message that includes your full name, telephone number, and the Customer Service PIN from the receipt where the gift card was issued, I'll get started with my research.
Please know that I'm extremely grateful that you took the time to bring your situation to our attention. I look forward to hearing from you.
Sincerely,
John|Social Media Specialist | Best Buy® Corporate
Private Message -
STILL "No valid licence for this book" message. Help please.
I bought my first ebook in December from Waterstones for my Elonex ereader and this was ok. The next two books purchased from Waterstones came up with the message, "No valid lisence for this book." After trying to solve the problem of not being able to open/read them I ended up with, "Too many activations." I managed to get my activations re-set, yet am still unable to open/read the books because I am getting the same message, "No valid lisence for this book." I have sent the case to Adobe, but as I waited and waited for the activations to be re-set I could be in for another long wait! Can anyone help please.
I am having the same problem with my elonex 511tEB. Did you manage to get yours sorted out and can you please tell me how to do it.
I would be very grateful if you could help me as i am puzzled with it all.
My email add is : [email protected]
Regards
Aileen Buckley -
Switch method need help please ;-(
Hello, I am having trouble with this switch method. I have yet ot construct the AirplaneList object "plane". For I have yet to be taught about it properly
Can someone at least help me with the switch incident. I have learnt how to make a menu for the user to input the letters A-F in uppercase and lower case. However I am unsure on how to associate "case a" to the method
//add Airplane
public static void option1 (AirplaneList plane)
? I can get it to print out "case a" continueosly, but how to I associate it to the method. I am aware that the AirplaneList will be a class I have to define earlier, and that "plane" is an object I will need to intiate. If anyone will be willing to help me construct this part of the code I can award them Duke dollars.
as far as I can tell the constructor method would start off like
AirplaneList plane = new AirplaneList;
ok? then what do I do?
do I define its methods then?
plane.add()
Ok well this is the majority of the code I have already.
import javax.swing.JOptionPane; //indicates that the compiler should load class JOptionPane for use in this application.
public class AirplaneListT
public static void main (String[] args)
throws java.io.IOException
char choice; //Words choice and size are the names of variables
// int size; //This declaration specifies that the variable are of data type char and int
// size = EasyIn.getInt(); // Converts size from int to something?
//Char - a variable that may only hold a single lowercase letter, a single uppercase letter, a single digit or a special character
//(such as x, $, 7 and *)
// The code below creates a dialog box for the user to input a choice
String inputcode;
inputcode = JOptionPane.showInputDialog("A: add an airplane from the list\n" +
"B: remove an airplane from the list\n" +
"C: check if the list is empty\n" +
"D: check if the list is full\n" +
"E: display the list\n" +
"F: quit\n" );
JOptionPane.showMessageDialog(null, "You have chosen choice " + inputcode);
//The null first argument indicates that the message dialog will appear in the center of the screen. The 2nd is the message to display
do
// get choice from user
choice = inputcode.toUpperCase().charAt(0);
System.out.println();
//process menu options
switch(choice)
case 'A':
case 'a':
JOptionPane.showMessageDialog(null, "Case " + inputcode);
break; //done processing case
case 'B':
case 'b':
JOptionPane.showMessageDialog(null, "Case " + inputcode);
break; //done processing case
case 'C':
case 'c':
JOptionPane.showMessageDialog(null, "Case " + inputcode);
break; //done processing case
case 'D':
case 'd':
JOptionPane.showMessageDialog(null, "Case " + inputcode);
break; //done processing case
case 'E':
case 'e':
JOptionPane.showMessageDialog(null, "Case " + inputcode);
break; //done processing case
case 'F':
case 'f':
JOptionPane.showMessageDialog(null, "Case " + inputcode);
break; //done processing case
default:
JOptionPane.showMessageDialog(null, "Invalid entry!");
break; //done processing case
}while (choice!= 'F' || //end AirplaneList tester
choice!= 'f' );
//add Airplane
public static void option1 (AirplaneList plane)
String flight;
flight = JOptionPane.showInputDialog("Please enter airplane filght number" );
//create an Airplane object to add to list
Airplane flight = new Airplane();
//add string to list if the list is not full
//access the 'add(Airplane)' method from the AirplaneList class;
//if the list is full, return a statement to the user indicating that no more plane can be added onto the list
//remove airplane
public static void option2 ()
//get position of item
string enterpos;
enterpos = JOptionPane.showInputDialog("Please enter position to remove" );
System.out.print(":")
int plane = Easyln.getint();
// delete item if it exists
//access the 'remove(Airplane)' method from the AirplaneList class;
//if the user enter an invalid number for the position, returen a statement
//indicating that there is no such posititon.
//check if empty
public static void option3 (AirplaneList plane)
if (plane.isEmpty())
JOptionPane.showInputDialog("list is empty" );
else
JOptionPane.showInputDialog("list is not empty" );
//check if full
public static void option4 (AirplaneList plane)
if (plane.isFull())
JOptionPane.showInputDialog("list is full" );
else
JOptionPane.showInputDialog("list is not full" );
//display list
public static void option5 (AirplaneList plane)
if (plane.isEmpty()) //no need to display if list is empty
JOptionPane.showInputDialog("list is empty" );
else
JOptionPane.showInputDialog("Airplanes in list are" );
//loop through list
System.exit(0); //Terminates the programcase 'A':
case 'a':
JOptionPane.showMessageDialog(null, "Case " + " + inputcode);
break; //done processing case
ok are u saying if i invoke a method i go something
like this?
case 'A':
case 'a':
JOptionPane.showMessageDialog(null, "Case " + " + inputcode);
AirplaneList.option1(); //Tell Airplanelist to add
break; //done processing caseIn both cases, you're calling methods. In the latter case, you're calling two methods.
What's the problem exactly? What part are you having trouble with?
... so that then when case a is activated it should go
onto option1 method?That's one thing you can do, yes. I don't know if you should do it. It depends on what your program needs to do.
//add Airplane
public static void option1 (AirplaneList plane)
String flight;
flight = JOptionPane.showInputDialog("Please enter
r airplane filght number" );
//create an Airplane object to add to list
Airplane flight = new Airplane();
//add string to list if the list is not full
//access the 'add(Airplane)' method from the
e AirplaneList class;
//if the list is full, return a statement to the
e user indicating that no more plane can be added onto
the list
}OK, this looks odd. Is this what you're having trouble with?
BTW, I'd strongly suggest making a stronger separation of application code from GUI code.
Maybe you are looking for
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Why can't I download Adobe Camera Raw 8.4?
When the download is about 85% finished, I get the attached error message: "Update Failed. Update could not be applied." Here's the error code: Error Code: U44M1P7 This has happened three times in a row. I'm on a MacBook Pro running OS X 10.9.3 Any s
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Hi, I have uploaded the serial key and performed the below steps as per the Admin guide for sucession planning Test the required data connections in the Data Center (configured SAp connection) Verify the security authentication settings (for login sc
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