mohamed moamen

I'm do program that when i press by mouse in any cell in table that print the cell position in a text field but i have a problem that's do nothing need help plz note ( I'm use jfram form and drage in it jtable and jtextfield ) [CODE] public …

How i can make my server receive data from certain client and send it to other certain one ? (Note : there is a lot of clients connected with that server) , that's alike private chat between two clients .

How i can do a server that can be handle a very large number of clients (in same time) between 250,00 to 1,000,000 clients or more ? , Because when large number of clients connect to the normal server that failed.

I'm send sound between two clients via UDP server Socket , How i can make users not feel the delay of sound ?

I'm study Compressing and Decompressing Data Using Java APIs from [url]http://java.sun.com/developer/technicalArticles/Programming/compression/[/url] but when i compile this example: [CODE] import java.io.*; import java.util.zip.*; public class UnZip { final int BUFFER = 2048; public static void main (String[] args) { try { String fileName = "your zip file" //but your zip file …

I'm do program that's can record sound , how i can but this sound in MP3 file ?

i'm use Netbeans i create JframForm and add a panel to it ,and create new jpanel and add components to it like buttons & textboxs ,finally I'm add the panel 2 to panel 1 but the components of panel 2 not appear and their is no errors. "how i add …

this program print random values from 100 to 0 and not repeats any printing value check that [CODE] public class Main { public static void main(String[] args) { int RandomNumbers =100; ArrayList<Integer> numbers = new ArrayList<Integer>(); int number = (int)(Math.random() * RandomNumbers); numbers.add(number); for (int i = 0; i < …

I want to create a JFrame and add panel to it ,the problem in drawing line in this panel [ICODE] package panel; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; public class Main { public static void main(String[] args) { JFrame window = new JFrame(); window.setSize(200, 200); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Graphics g =null ; …

I need to write a program in window debug , that's Start the Bios sound

where i can but the servlet APIs ? to compile java class from bat file

I'm create a program using java and MySql (jdbc) my problem where I'm start up the program in my customer computer , i must set up MySql program or not

i use speech synthesis javax.speech.synthesis for the first time my program is simple that's say string "hello world" but that not work and give me that Exception: java.lang.NullPointerException at soundreal.HelloWorld.main(HelloWorld.java:20) and i don't know what that mean help plz [CODE] package soundreal; import javax.speech.*; import javax.speech.synthesis.*; import java.util.Locale; public class …

I'm download oracle Database 10g from oracle web site , how i can install it On Ubuntu by details plz

how i can convert my java code I do to a setup program work in other computer with example and please don't tell me use java launcher

I did a program that connecting to database then show data and user can ( add or remove or update ) data but my problem that program take a little time to be ready how i can know that time and make notification for user to use program now or …

[CODE] float i = 55 ; float y = 23 ; float u = i / y ; System.out.println(u); [/CODE] i want to print u Round to five decimal places how i can do this approximation ?

any one know how i can merge cells in Jtable ?