32,199 Topics
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| | Quick question. I have text in a JFormattedTextField, I clear it with a clear button to make it setText(""); and heres the problem: When I go back in the field, and just to test it, I just tab out or mouse click out of it without typing anything in it, … |
| | anyone can give me a code for this java applets program TY [url]http://tinypic.com/r/33nd9ox/7[/url] |
| | Hi, i'm trying to understand how actionPerformed is working. I'd like to know how to add more than one action in actionPerformed method. Here is an example of my code. I have two button b and c and the button b must open the gmail.com page. // this first action … |
| | I am creating a desktop application that will also include a calculator, similar in function to the calculator of the Microsoft Windows OS. I require some assistance in implementing the memory capability such that the user can store a number, recall the number to be used in a calculation or …  |
| | Hello, I have a program that displays a frame that uses a canvas to display few rectangles and some images. While executing the program with Eclipse IDE everything seems to work appropriately, when I compile and execute the program using windows command line the images are not displayed. With eclipse, … |
| | I want to retrieve the autogenerated primary key after inserting a record in database.I am using IBatis for my database connectivity. Please review my xml code and tell whether it is correct or not. Also, please tell me how can I retrive that value in my java code.. [code=xml] <insert … |
| | what codes in JAVA to have an output program like this: 123 12 1 help me.. |
| | Hi how can i execute a statement if only radio button is checked and Jbutton is click? i know how to use them Individually. i try to use like this [code] public void actionPerformed(ActionEvent event) { Object src = event.getSource(); if (src==radio1 && src == buttonclick) JOptionPane.showMessageDialog(null,"Raido1 is checked"); }[/code] … |
| | Hi guys, I am fairly new to JAVA and currently I am trying to do a couple of pre-set graphs. My first task is to create a graph of y=x^2. The code below is what i have come up till now. I am sure that i need help in the … |
 | Let's say that I have a file: 'mainGUI.java' and I want to, from a menu item, open another GUI file: 'tutorialGUI.java'. What would the code be to preform this? Thanks everyone! -[b][i]WolfShield[/i][/b] |
| | This program is supposed to print out prime numbers from 1 to 50: [CODE]public class Break{ public static void main(String[] args){ int i,j; System.out.println("Prime numbers between 1 to 50 : "); for (i = 1;i < 50;i++ ){ for (j = 2;j < i;j++ ){ if(i % j == 0) … |
| | Guys i need to do the same the same thing like this code... for dispalying the advisable loptops for the buyers to see the prices ang the models og every brand of loptop..but i'm still not quite familiar with the GUI...so, please help me, it'a a project and i need …  |
| | I hava exams in java and when I study I saw this excercise and I try to solve it but I found somne difficulity so please help me Consider the following comment, header and partial code for a method in a utility encryption class called Atbash. [CODE] /** * Prompts …  |
| | hi i try to implement random linear coding in java. how i will encode and decode packets. the sender send packet is linear combination of all previous packet received so far and also random number generated. |
 | let someone help me here: [CODE]int k; k = Convert.ToInt32(System.out.println)[/CODE] thanks. |
| | Hi, I have a GUI with a JTabbedPane. In the tabbedpane I used a JScrollPane to hold a JTextPane. How can I get the object name of JTextPane that I have created in my class or something which is unique for a jcomponent with which I can identify that the … |
| | I am new to java Swing. I am trying to develop a tool, in which I used a Jtextpane as an editor. Jtextpane is enclosed in a Jtabbedpane to meet my requirement. But I have inserted the JTextpane in a Jscrollpane and then to the Jtabbedpane. Now, when I select … |
 | Say I have an XML file as such: <contacts> <contact id="1"> <name>Steven</name> <address>Here</address> <phone>11111111</phone> </contact> <contact id="2"> <name>John</name> <address>There</address> <phone>22222222</phone> </contact> </contacts> ...etc. How can I transform that to HTML with XSLT so that it can be a collapsable/expandable tree? For example, If I click a button that shows contact{@id="1"] … |
| | hello!. i need help with import in java. i want for example when i click a button in java to open a exe file,so i imported the exe into java,and i make the program everything is okay. so i export my classes into a jar file,so when i click the … |
| | Hi all, I am having a little problem with my relay buffer which uses flow design patterns. The problem is that when the consumer should output the value of the Element, it is printing out "The item is: null". My code is a little bit long, but hopefully you can …  |
| | Hey guys! So I was wondering -- what's the syntax for updating a JTable that is being displayed on the screen? I know how to allow cells to be edited, but what if I want to like add in entirely new rows while it's being displayed? I tried repaint() and … |
 | I cant seem to find the problem with this program I am building as a learning exercise. I am getting errors referenced to extremely simple pieces of code. In the output the first thing that should be printed is the random double number that the program selects then it should … |
 | My bullet animation does not work. Can anyone help. Thanks [code]// The "SpaceShoot" class. import java.applet.*; import java.awt.*; import java.awt.event.*; public class SpaceShoot extends Applet implements KeyListener { int x = 10, dx, y = 10, dy, a = 0, by = 47, bx = 95; char m; private Image … |
| | I am using JtabbedPane which contains several jTextPanes like jTextPane1,lTextPane2...etc. NOw I want to perform some actions during the selection of a partiular tab. eg: I want to enable a button if I select jTextPane 2.. Now I am able to identify selected Component of Tab.ie: jTextPane. But I am … |
| | Hello guys, First of all I'm not really good with Java. To be honest I'd rather call my Java skills bad. But here comes my problem. I want to download a CSV file from a specific URL and save it at the TEMP directory. Then i want to read this … |
 | Hi members,I would like to share knowlege in Java with you. I have a problem which i request a solution for. I want to design a GUI in java that displays four roads each having traffic lights and these traffic lights have four colours(green, orange, and Red). So I want … |
| | Please can any body give me tutorial source on java using netbeans. i want to learn java programming with netbean |
| | Hi, one of my labs were doing is a data gatherer, the user enters their first middle and last name all at once with a space between each. then enters there birth month day and year all at once with space between each. Then it outputs them in in a … |
| | Hi. I am trying to run an EJB through bea weblogic 8.1 server. I am trying to create a Stateless Session bean. I have created two jars and when I try to do a hot deployment, I get a server error. please see the error description below: [COLOR="Red"]Exception:weblogic.management.ApplicationException: prepare failed … |
| | I am doing a program for my computer programming class and it starts out as. I use Bluej for programs too import TerminalIO.KeyboardReader; when i compile it, it says package TerminalIo does not exisat. Does anybody know what is wrong with this i need it fixed soon. Below is a … |
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