Java Program Which Would Display A Message Dialog Box Stopped Working
Mar 16, 2014
I have a java program which would display a message dialog box. The problem is it would stopped working before even displaying the message dialog box. This is my code.
import javax.swing.JOptionPane;
public class HelloDialog {
public static void main(String [] args) {
JOptionPane.showMessageDialog(null, "Hello World!");
}
}
There is a pop-up window which would say "Java(TM) Platform SE binary has stopped working." I am using textpad. What should I do with this?
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Nov 19, 2014
I am getting the following message when trying to print a JTable.
"Java(TM) platform SE binary has stopped working"
Here is the code:
try {
MessageFormat headerFormat = new MessageFormat("Page {0}");
MessageFormat footerFormat = new MessageFormat("- {0} -");
table.print(JTable.PrintMode.FIT_WIDTH, headerFormat, footerFormat);
} catch (java.awt.print.PrinterException pe) {
System.err.println("Error printing: " + pe.getMessage());
}
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Mar 21, 2015
As a part-time student, you took two courses last term. Write a Java program that calculates and displays your grade point average (GPA) for the term. Your program should prompt the user to enter the grade and credit hours for each course. This information should then be displayed with the lowest grade first, and the GPA for the term should be calculated and displayed. A warning message should be printed if the GPA is less 2.0 and a congratulatory message if the GPA is 3.5 or above.
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Feb 9, 2014
I am trying to write a program that basically determines the max amount of units sold and displays it in a dialog box. Also, the program will display the winning sales associate out of 10. I have wrote the program successfully so far and I can see the maximum number of units sold displayed in the dialog box, but I cannot seem to link the winning sales person.
Here is the code I have typed so far.
//Program to find maximum of three number
import javax.swing.JOptionPane;
import java.util.Scanner;
public class Sales
{
public static void main (String[] args)
{
//Declare variables
int num1, num2, num3, num4, num5, num6, num7, num8, num9, num10;
int large;
int winner;
[Code] ......
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Aug 11, 2014
I am wondering why , when I click on the "Add Student" button on the GUI,the message dialog is not popping up.
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
[Code] ......
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Nov 8, 2014
I was tasked with building a program that counts vowels in a phrase or word. I have this working properly, but the problem arises in the next situation. Here is my code:
Scanner userInput = new Scanner(System.in);
int userDecision;
String Choice;
String Phrase;
int vowelCount = 0;
System.out.println(" This program will count the number of vowels in it.
[Code] ....
As you can see, I used a 'for' statement to declare how long the program should run. However, I need the user to be able to say when it ends. For example, at the end of the program it must say "There are ______ number of vowels in your word. Please press '1' to run the program again, or any other number to exit."
I understand a do-while loop is needed here, but every time I try and create an adequate loop with no logic errors, I either break my existing code, or the program does not work correctly.
Basically, my question is, what is the best way to perform this task? Is a do-while loop necessary, or is there a better way?
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Jun 29, 2014
I'm trying to make a stock program that stops the user from entering in textfield and displays a message when stock is low. There's just 2 problem the entered value by the user is only decremented twice then the total stock resets for example with SofaTotal and the if statement doesn't work:
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import java.text.DecimalFormat;
import java.util.Arrays;
[Code] .....
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Apr 23, 2014
When the application starts and the index page is initially loaded, dialog is not shown correctly (panel is not shown) and shows that selected==null. But in debugger prepareSelect seems working correctly and selected is initialised (not null). When I reload page, dialog is shown correctly.
Below are facelets for the page composition and backing bean code.
Register.xhtml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
[Code] .....
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Feb 19, 2013
I am new to JSF and I am working on handling session timeout for a JSF application. I am trying to get the code to work for ajax calls and not able to achieve that so far. I have tried two approaches:
Approach 1: SessionListener (for cleanup work) and SessionFilter (for filtering every request and checking if session timed out)
My Code snippet of doFilter() of SessionFilter:
if ((request instanceof HttpServletRequest)
&& (response instanceof HttpServletResponse)) {
HttpServletRequest httpServletRequest = (HttpServletRequest) request;
HttpServletResponse httpServletResponse = (HttpServletResponse) response;
// is session expire control required for this request? (not required for home page or timeout page or JSF resources)
if (isSessionControlRequired(httpServletRequest)) {
[Code] .....
Both these approaches work for non-ajax POST calls but not for ajax calls. When I run my app in debug mode, I can step through all the statements for ajax calls also, which gives me an idea that the control does come to my code, executes it but for some reason, nothing happens on the UI.
I have been trying to redirect user to a timeout page but the ideal thing would be to display a JSF dialog and upon hitting 'OK' take user to Home Screen (My app does not have a login screen.) I have a basic questions also, is view expiring exactly same as session timeout?
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Mar 7, 2014
I wish to display a progress bar during a lengthy file translation process. When I created a ProgressBar class to do this and tested it with a short test program, it seemed to work fine. But when I add my ProgressBar class to a package containing various other classes, put that package in a jar file, and then execute the class using the progress bar from a menu in my main program, the frame of the progress bar shows up with the appropriate caption but the JLabel, JProgressBar, and JButton are not displayed. I have gone over my code numerous times and checked that the ProgressBar class constructor is getting the proper arguments.
// package gov.nasa.jpl.ephemeris;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
* Progress bar with message text above the bar and a Cancel button below it
*/
public class ProgressBar extends JFrame {
private boolean _cancelled = false;
private JProgressBar _progressBar = null;
[Code] ....
I have also been wondering whether I need a separate instance of the border for each panel, or whether I can just create one instance and use it for all three panels.
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May 10, 2014
in my ui i will i will select enabled or disabled then it will go in controller , i already debug it and it goes on the right controller based on what i select on ui my problem is when i select disabled it dont display the message but when i select enabled it displays the message, then i check the databases status is change based on what i select but when i change into disabled doesnt display any message.if select enabled will go in controller then change status into true then update the status then will see the message in ui
@RequestMapping(value = "/viewEnabled/{id}", method = RequestMethod.POST)
public ModelAndView viewEnabled(
@PathVariable("id") Integer id) {
ModelAndView mvc = new ModelAndView();
Supplier supplier = supplierService.retrieveSupplier(id);
supplier.setEnabled(true);
supplierService.updateSupplierEnabled(supplier);
mvc.addObject("showEnabled", true);
mvc.addObject("supplier", supplier);
[code]....
The main functionality of enabled /disabled is both working it just dont display the message if i change it into disabled,.
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Apr 18, 2014
I am currently writing two java classes (client and server). The client takes an input number form keyboard and sends it to the server. The server then multiplies this number by two and sends it back to the client. The numbers should also be printed to screen along the way, for example if I input the number 3 I should get
"From Client: 3" "From Server: 6"
They should continuously do this unless a negative number is received by the client, say for example the number -3 is sent to the server and it returns -6.
The code I have for the two classes so far is:
import java.io.*;
import java.net.*;
import java.nio.ByteBuffer;
import java.util.Scanner;
class Client {
public static void main(String args[]) throws Exception {
DatagramSocket clientSocket = new DatagramSocket();
[Code] .....
Currently, when I run the program all I get is an output of the number first entered. I am aware it requires a loop but I don't know where and what the condition should be.
Also if I wanted to adapt this so that it would take the integer from client and subtract two at the server and return to client who sends back to server to keep subtracting two unless it reaches a negative number at which point the client will terminate the program - how might I do this.
I do realise there needs to be a while loop in the above code, but I wanted to test it sent the number from client to server and its not doing it. All I get is a print screen of 'enter number' and then the number I enter.
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Aug 11, 2014
I need making the toString() method return a String rather than display a message to the screen. Also, I'm not supposed to call the toString method in my demo class to test it, so what should I do instead?
public class cupDispenser {
String location;
int noOfCups;
cupDispenser(String location,int cups)
{
this.location=location;
this.noOfCups=cups;
}
public String getlocation()
[Code]...
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Sep 7, 2014
I need to write a simple program that displays up to 5 pairings of data types (int, string) (string, long) ect. I need to have at least two classes, a Pair class (generic) and an PairTest class.
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Oct 23, 2014
My mad lib program was able to store my three notepad text: noun, verb, and story. I would like to find out what is the best way to make it display my result randomize my story from notepad? once everything is stored?
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import java.util.*;
public class StoryProject extends JFrame implements ActionListener
[Code] .....
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Feb 15, 2015
I want to write a java program which displays to get the GPA of a student as a keyboard input. Then display the class of the degree according to the following criteria using a switch-case statement (if-else statements cannot be used). If the user insert an invalid gpa you should display a message Invalid GPA.
gpa ≥ 3.50 First Class Hons
3.49 ≥ gpa ≥ 3.00 Upper Second Class Hons
2.99 ≥ gpa ≥ 2.50 Lower Second Class Hons
2.49 ≥ gpa ≥ 2.00 Pass
2.00 ≥ gpa Fail
Here is my code:
import java.io.*;
public class q7
{
public static void main(String[] args)
{
InputStreamReader ISR=new InputStreamReader(System.in);
BufferedReader BR=new BufferedReader(ISR);
[code]...
.But when I use Command console to run this it says: 1111.jpg. I also wanna know is there another way to do this with switch- case statements.
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Oct 16, 2014
I wrote stand alone program to post message to IBM MQ , not sure if it posted to queue i see these Another 2,102 character(s) omitted is that mean it didnt post complete message? do i have to increase capacity of text size
JMS Message class: jms_text
JMSType: null
JMSDeliveryMode: 2
JMSExpiration: 0
JMSPriority: 4
JMSMessageID: ID:414d512042454c4b2e4d49462e514d47ad662c5420128a02
JMSTimestamp: 1413500135480
[Code]...
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Apr 5, 2015
I am trying to make a program that takes the information from the main args, and displays them as a email in another class when Java is run.
Ex.
From: PersonA
To: PersonB
Email message is here
I have gotten this far, but every time I append my "email.print()" into the next class, it never can print any of the Strings.
Main Args Class:
public class TestMessage {
public static void main(String[] args) {
Message email = new Message("Harry Morgan", "Rudolf Reindeer");
email.append("Dear so and so,");
email.append("It is my great pleasure to");
email.append("write you an email.");
email.append("");
[Code] ....
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Apr 2, 2015
Four experiments are performed, each consisting of six tests. The number of test results for each experiment is entered by the user. Write a Java program using a nested loop to compute and display the average of the test results for each experiment.
You can run the program by entering the following test results:
Experiment 1 results:23.231.516.927.525.428.6
Experiment 2 results:34.845.227.936.833.439.4
Experiment 3 results:19.416.810.220.818.913.4
Experiment 4 results:36.939.549.245.142.750.6
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Aug 6, 2014
I want to come up with a java program that posts a request xml message to a wsdl. how to proceed.
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Mar 28, 2014
I've visited this great site been following this java tutorial on making the snake game, and as I followed along at added the second player. Right up to the point I got into the resetting if I hit borders or myself or the other player, the snakes stopped moving when i tried hitting keys...problem started up to the point where I added snake2 in the GenerateDefaultSnake method
import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.LinkedList;
import java.util.Random;
[code]....
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Sep 28, 2014
The problem is the result of encoded message can't not restore to the original message by the decoder. Here are my three class's code
SecureMsgMain:
package securemsg.core;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;
import securemsg.database.*;
public class SecureMsgMain {
[Code] .....
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Oct 22, 2014
My application (e.g., the print dialog box) needs to support multiple languages (user selected either at starting application or by switch in code).
How can this be achieved under Windows 7, Enterprise (works OK under Linux). I have tried : E.g.,
Locale.setDefault( .. );
JComponent.setDefaultLocale(Locale.LANG);
Setting resource bundle
but to no avail. The application always inherit the Win 7 system locale.
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Oct 14, 2014
How can I do a subtraction quiz program using input dialog quiz?
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May 30, 2014
I am trying to uncover why I am getting an error message when trying to view a panoramic photo on my wordpress website.We are using the PTviewer plugin.This is the error message when you load the page: URL....I recently took over as webmaster for this site am not sure how the previous developer decided to set this up.Here is the raw code:
<div style='padding: 15px'><h2 style='font-size: 13pt; color: #DB592D; margin-left: 5px; margin-bottom: 5px; font-family: georgia;'>Spacious One & Two Bedroom Suites</h2><p style="">Stay & Play at Pacific Plaza and your stay will be filled with fun, excitement in a relaxing beach atmosphere.<p style="">Choose from our spacious one bedroom and two bedroom suites.
[code]....
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Jan 4, 2015
I'm trying to create java based fairly simple forum.
The task is as following:-
• each user may post exactly one research topic;
• each each may see all research topics posted by other users;
• each each may read all messages contributed by all users on a particular research topic;
• each user may post a new message to contribute to the discussion on any of the topics posted.
Something like below:-
User topic: Intrusion Detection Systems
Posted by: John
[22/10/11 14:00] John wrote I am building a new IDS based
on neural networks. …………….Comments ………….?
[22/10/11 14:12] Kate wrote there could be too many false positives!
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