35,619 Topics
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| | hi all. I want to ch ange my jframe's icon(cup of coffee). i chkd the forum but that's what i m doing... here's my code: [CODE]public static void main(String args[]) { java.awt.EventQueue.invokeLater(new Runnable() { public void run() { AppStarter dialog = new AppStarter(new javax.swing.JFrame(), true); dialog.setLocationRelativeTo(null); dialog.addWindowListener(new java.awt.event.WindowAdapter() { public … |
| | Hello, this code is throwing and IOException and FileNotFoundException and I am having trouble figuring out why. Where exactly does the song need to go in order for the program to pick it up? Also, is this code for putting the song in the program correct? Thanks! [code] //Hangman a … |
| | I couldwrite a customize JButton in java What I mean by a customize JButton is that I overridden some of it's methods, such as paintBorder, paintComponent. I could write a round,triangle or any other shaped JButton. I wonder how to write a different shaped JFrame, such as round or triangle …  |
| | Hello guys. I am doing a swing application wherein I m using a DefaultTableModel. Here's my code: [CODE] DefaultTableModel tab = new DefaultTableModel(){ @Override public boolean isCellEditable(int r, int c){ //if(c == 10) {return true;} return false; } }; private JTable jt = new JTable(tab); [/CODE] The JTable will diplay … |
 | Hi guys, Just a question I think many people like myself would like to know the answer to. I have been using the Graphics2D class and it works great, however now I want to do some 3D things. I would like to know how to place ellipsoids in 3D space, … |
| | I am trying to learn GridBagLayout. I've gotten the hang of it in many respects, but I am having serious problems when the first row has element(s) with a gridwidth greater than 1 or the first column has elements(s) with a gridheight greater than 1. I'm trying to make a … |
| | Hey guys, I think I have this mostly figured out but i'm still getting some errors, I'm not sure if it's a syntax thing or if I called out a variable wrong. For some reason eclipse is saying that my variable [B]average[/B] "may not have locally been declared" which doesn't … |
| | Help me please... Can anyone tell me the link of sample J2EE Application(Downloadable) which involves JSP, Servlets, EJB, Java Classes.  |
| | Hi there, I'm new to java. And I would like to get data that I have in a Ms Access database and sending to a excel spreadsheet using java. I've search the web and I keep finding the ohter way around. Could anyone provide me with a sample java code … |
| | As a java beginnners what i incline to do for my program almost get solution from this site. Right now i need a small help to get file name or full path for output files of my program. so far my program is running as a search engine to find … |
| | I am trying to get this finished, but it seems everything I do to fix it, I get even more errors. Please help me figure this out, I am having a lot of problems with this particular program. Below is my program and build errors, can someone let me know … |
| | Write a program which uses a for statement to simulate 120000 rolls of two dice. 'Keep track' of the number of times each possible outcome (a total in the range 2 to 12) is rolled using 11 integer variables. After all the rolls output a table showing the number of … |
| | Hello everyone, Can someone please explain to me the meaning of the code below: [code] public class Client extends javax.swing.JFrame implements Runnable { // constructutor public Client( String host, int port ) { . . . new Thread( this ).start(); } public void run() { something.... } } [/code] This … |
| | hey can any one help me?? i have 2 develop a code to find the "lowest and unique" number from a array..i thot of sorting them and then comparing the lowest number with othe numbers but i m feelin it wont work...pls help me out... |
| | Hello everyone, I got a question on synchronization, hope someone will be able to give me a clear explanation. [code] public void sendToAll( String message ) { ..... synchronized( outputStreams ) { ... ""statement block"" } } [/code] outputStreams is an object here. I made some research and I found … |
| | write the javascript code to hide a particular label in c# .net..can any one tel me?  |
| | Im stuck on my loop program, I have to create a loop program for arrays which only stops if a user inputs quit or the user has input 1000 entries, the program then has to sort the arrays in order of composer. I've tried so many different kinds of algorithms … |
| | I am trying to write a program that calculates the value of pi from the infinite series of pi = 4 - 4/3 + 4/5 - 4/7 + 4/9...etc. As you can tell, the numerator stays at 4, while the denominator goes up incrementally in odd numbers, if the program … |
| | [B]This is not a question just small challenge[/B] if you interest in improving provided solution and feedback for me. I just went back to some assignment I did at university and one of these been design phone book for mobile device with use of Java Microedition (JME). At the time … |
 | Hello, Currectly I was doing an assignment where I was connecting to remote unix boxes from a windows system and some response from them. The response is something like [CODE] att1,att2,att3,att4\n val01,val02,val03,val04\n val11,val12,val13,val14\n ... ... [/CODE] This response comes to me as a long StringBuffer. Then I have to render … |
 | Good Morning all, I need some help with loading a file into a sybase IQ table with the "LOAD INTO" statement. I have never used it before and I cant seem to get myhead around how I am supposed to implement it in my java app. I have a stateless … |
| | a GUI application that presents a game based on a 4 by 4 matrix of buttons.One of the buttons (selected at random) "hides" the prize. A status bar at the top of the window shows the number of guesses. When the prize button is pressed, the status bar shows "You … |
| | [code]import java.io.*; public class getLowestValue { public static void main(String[]args) throws Exception { DataInputStream input=new DataInputStream(System.in); System.out.println("Get lowest value "); int a[]=new int[10]; int x =0, i=0, j=0, tmp=0; // display and get inputs [5] for (x=0;x<5;x++){ System.out.print(x+" Enter a number: "); a[x] = Integer.parseInt(input.readLine()); } // sorting for (x=0;x<5;x++){ …  |
| | DEAR JAVA EXPERTS. can u help me? i dont know how to do the next move.... i want to write code that can make each object of the class Book can hold the following information about a book: title, up to four authors, publisher, ISBN, price, and number of copies … |
| | how to implement the secure file encryption and decryption using jsp for web application? can i use RSA or DES encryption algorithm? plz somebody post me? it's urgent |
| | Design and implement a simple GUI application (or applet) that displays the graph of a quadratic function, Ax2 + Bx. Below the plot should be two sliders which allow the user to interactively set the values of A & B, the display being updated continuously in response to any changes … |
| | i am very new in java. in GUI class i have code like this : [CODE] public void actionPerformed(ActionEvent e) { if(e.getSource()==listButton){ ArrayList<String> list = new ArrayList<String>(); list.add("Orange"); list.add("Apple"); list.add("Pineapple"); list.add("Lemon"); list.add("Pear"); for(int i=0; i < list.size(); i++) { String s = list.get(i); { textArea.setText(s+"\n"); } }[/CODE] but its showing …  |
| | hi guys, I am having trouble with this code, cause i get an infinite loop. I made nexTxtFile the variable name of the txt file i am creating and writing text to. i want to be able to get user input untill the user does not want to enter anymore … |
| | I have a Class and then a made a sub class that would check if the letter "a" is in the string. i don't know how to call the subclass i made. i want to insert the subclass object into a StringDetail array but i keep getting an error. i … |
| | in C language i learned Precision paramater to show how many decimal point to print... in java how to do this precision for double, float etc.................... |
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