35,618 Topics
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| | I'm creating an NBT viewer in Java. It works fine as a console application so I used code to rewrite all console (system.out.println) text to GUI text. It works but it does not use scrollbars correctly. Here is my code (For my window/GUI void) [code] private static void createAndShowGUI() { … |
| | Hi everyone... I made a simple java game in Eclipse Helios ver. 3.6.1. Now i want to send that game to my sister as an Executable. Can someone please explain to me how i do it? Thank you very much... |
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| | Hello, I'm developing a jsp web site, I'm creating a form to register school projects, the thing is that the projects can have many students in them and I want to keep the information of all of them, so basically I want the user to tell me how many students … |
| | hi my problem is that i want to show some information about button when clicked on that button but that information must be displayed below that button so and in the same menu so for that what used i am think about popmenu is this right |
| | Hi. Im pretty new to java. First question: is javascript the same as java? I just want to make sure. So for my program. Since im a very basic beginner with some c++ experience i was hoping the forum could help. I want the user to input the deck name … |
| | hi, I have an application that i got from someone for my friend website. it is using java in the server side and also using flex in the front end it connects random webcam user to each other i would like to add something to it that will play some … |
| | [CODE] Class.forName("oracle.jdbc.driver.OracleDriver"); Connection connect =DriverManager.getConnection("jdbc:oracle:thin:@172.17.0.14:1521:develop","username","password"); String qry=("update sample set one=2 where two=3"); PreparedStatement ps = null; ps=connect.prepareStatement(qry); int i=ps.executeUpdate(); if(i==1) out.println("success"); else out.println("failed"); [/CODE] The above code is not working The table is create table (one number,two number); i tried some other queries like select and delete and insert is … |
| | Hi all, I'm trying to write a program that holds student data in arraylists. I've managed to get all the adding, editing, deleting, displaying etc. working and now all I need to do is to make sure it saves on exit and loads on startup By following another tutorial, I … |
| | hii everyone i am mohit a student from chitkara university,solan, himachal pradesh. i just want to create a chat server in java like facebook... please help me for this task.just give me basic idea how i can implement this thing.. |
| | hey there..im planning to build an enterprise system (recommended by my prof)as my thesis next year.. but i dont really have a good background about enterprise systems.. just wanna ask if do i need sepatated databases or just one.. |
| | I have a question not related to a java program in particular. I am a recent college graduate and was thinking about getting a java programming certificate. I am just trying to get some feedback if this would be recommended to finding a position as an entry level java developer … |
| | hey, i got a class called IRPanel this class contains a few methods that handles what is drawn on it. randomPoints() is a method that generates random values for x and y coordinates for random point. new random point coordinates are generated only when the coordinates from IREvent() method match … |
| | Hey everybody, the program I am writing takes 10 digits as a floating point as a number then displays the average of the numbers and any numbers that are greater than it after it. My program will compile but every time I run it through I get the error message …  |
| | I am writing a program that needs to be able to respond to keyboard actions regardless of what application has the focus at the time but after hours of searching the internet I have found no way to do this. for example, the program needs to be able to respond …  |
| | I'm in the process of creating a program that would change a background color by pressing a button. Now, I already have everything set up. The background image is just an image of a rainbow, and when a button is clicked, it would change the whole background color. The thing … |
| | Hey guys, i just wanted to know the codes for ArrayList class methods such as .clear() .add() .size() .isEmpty() etc... Your help will be appreciated! |
 | Hi... How can i develop a keylogger using java?? The problem is that we should only implement KeyListener interface to a window or frame.. but how can we make use of KeyListener event without windows of frame????  |
| | trying to finish a code given by sir which was to add the preorder and post order in thr tree but i am getting an error with the preorder so need help. [CODE]public class BinaryTree { BinaryTree left; BinaryTree right; int value; public BinaryTree(int v){ value= v; } public void … |
| | copy in your program and then run.. [CODE]void Ubaid(int x)[/B] //this is function x value is 5 or directly set x=5 { // x=5; for(int i=x;i>0;i--) { printf("\n"); for(int j=1; j<=i; j++) { printf("%d",j); } for(int u=i-1;u>0;u--) { printf("%d",u); } [B]}[/B] //start another from here that print the opposite for(int …  |
| | (Think this is a java problem!!!) When I print a result set of a mysql query it doesn't print the 1st value. I used ResultSet rs = stmt.executeQuery("Select * from names"); while(rs.next()){ textAr.append(rs.getString("name")+"\n"); } This prints the values from index 2.. How can i print all the values.??? thankx in … |
| | Guys, Im having trouble working with Jcombobox. I have this action listener in Jcombox that would get the ID of the current selected item which is a query from my db. here's my simple code: //clientName is the variable I declare for my JCombobox. private void clientNameActionPerformed(java.awt.event.ActionEvent evt) { //db … |
| | I wanted to create a graph of connected nodes (eg- node 1, 2, 3. 1 connected to 2 and 2 connected to 3). How can I do this? I searched and found that JUNG (the Java Universal Network/Graph Framework) can be used to draw such graphs. But I am unable … |
| | My teacher said that we needed to perform 3 mathematical actions on the chars so it works when I encrypt the textboxes but then it doesn't work when I decrypt them. I think it might be the order of my math operations in the decryption code? For example: I put … |
| | need help with a homework problem and i've been starring at code all day and my brain is fried... any advice or pointers would be greatly appreciated Description of the Problem Write a method minimum3 that returns the smallest of three floating-point numbers. Use the Math.min method to implement minimum3. … |
| | If I have an application written in Java, how can I make it available for purchase/download on my website? Namely, how do I obscure the source code so it can't be viewed, yet enable it to be executed by any machine (including ones that don't have the JVM installed)?  |
| | I have two graphics methods in my program. One for the menu and one for the game. I have previously written all of my code in one graphics with a bunch of nested ifs. Now I am trying to separate the two. Is there a way to call the gameGraphics … |
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| | Hi, This application does everything but show the circles and rectangles even though visible is set to true. [CODE]package Shapes; import java.awt.*; import javax.swing.*; public class ShapesTest { public static void main (String []args){ String input = JOptionPane.showInputDialog ("Enter 1 to draw rectangles\n" + "Enter 2 to draw ovals" ); … |
 | I've run java programs in Command Prompt before and it worked, but today I tried and it's saying: 'javac' is not recognized as an internal or external command, operable program or batch file. I am running Windows Vista and have four (4) files under Java: jdk1.6.0_23 jdk1.6.0_24 jre1.6.0 jre6 Umm, … |
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