32,205 Topics
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| | Hi is it possible to use static variables with servlet. I want to access static variable from servlet but it gives null value. Why?? |
| | I've got a JScrollPane that I would like to scroll horizontally ONLY. I've added a Row Header with setRowHeaderView (on the Left side), but I would like to add a "Row Footer" (on the Right side). There is no setRowFooterView! Any ideas of how to do this? Will I have … |
| | I opened the .bashrc file on a system, which includes [CODE]export JAVA_HOME=/usr/lib/jvm/java-1.6.0-sun.x86.64[/CODE] After typing [CODE]whereis java[/CODE], the system prints out [CODE]java: /usr/bin/java /etc/java /usr/lib/java /usr/share/java /usr/share/man/man1/java.1.gz [/CODE] It seems to me that none of the above path matches the JAVA_HOME set up in bashrc file. Can you let me know …  |
| | please help me! Fullfill 10 philosophers eating and thinking transaction at least 5 times and make them to be full.(with java) My Best Regards... |
| | I have an JOGL based opengl program that uses textures on flat surfaces. After a texture is put on a surface, it will eventually crash. If the textures are small, it takes a while. I managed to reproduce it with a simple program: [CODE] package org.yourorghere; import com.sun.opengl.util.Animator; import com.sun.opengl.util.texture.Texture; … |
| | Keep getting reached end of file while parsing error I have been told this error is from extra or missing closing brace in code..CANNOT find where it is at. any help?? [code] import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; public class BasicCalculator { private static …  |
 | I want combo box in jtable visible from start not when i click the cell... any idea?  |
| | I went and tried to learn how to use Enum So I apologize for the lack of logical construction but I had to start somewhere I have code that I am not sure how to use it because I don't know how to call it so all the logic went … |
| | Hello! I have many big lists of free proxies on text files. I need to write a small program which can test these proxies if they work or not. To do that i need to send ping on each proxy, but this is not a 100% solution because many proxies …  |
| | Hi there, I am very, very new to programming and need to work out how to determine if a number entered by a user is a prime number. I have coded this but it does not work. :'( Any assistance would be greatly appreciated! I also get the following error … |
| | Hi, This program has the information I need it to have but instead of going down in a column it goes straight across. Can someone show me where to get the formatting for this kind of code? I tried different things to no avail. Thank you for this and all … |
| | i need help using MAC from javax.crypto package. i am able to generate MAC codes using keys but i am getting different mac's for the same message using the same key.can anyone plz give a small foolproof code to generate mac from say a small message like "hello world" so … |
| | Im reading Core Java (Cay Horstmann) V I And I came across this program......... [CODE]import javax.swing.*; import java.awt.event.*; import java.awt.*; class MyFrame extends JFrame { private ButtonPanel buttonPanel; public MyFrame() { setSize(300,200); setLocation(570,350); setTitle("Button Test"); buttonPanel=new ButtonPanel(); add(buttonPanel); } private class ButtonPanel extends JPanel { public void paintComponent(Graphics g) { … |
| | I'm kind of confused about this. I want to create two threads that works in the same data. For example if I have an array of Strings then I want this two threads to work in each unique item say add a letter 'p' in each strings. My question is … |
| | in visual studio when we make a project in c# with backhand as sql........we can see the sql file and we have to locate it in the corresponding place and specify that location........but in netbeans when we make a project in java and backhand as mysql.....we cannot see where that … |
| | Hi there! I just want to ask if it is possible that my java program, which is done in Netbeans, can be run in a computer without netbeans? I mean, how can I compile my program where in, maybe an exe file can be created or an icon will be … |
 | Hi Programmers, please am developing an applications that requires upload image and forms to database. I have found codes on how to upload only images and it works. Now I need to upload both form parameter and image simultaneously. I have googled the internet but couldn't find any. please assist |
| | Hello, everybody I am working on a simple client-server program. The server side is a console program which will send (1)the list of files in home directory and (2)the contents of the selected file to the client side. And the client side is a GUI program which sends requests to … |
| | I was reading some code that encouraged the use of vectors but my IDE is saying that it is an obsolete Collection. I need to use Vector because it can does not need to be a set size. and I would like to have a Vector of Vectors. Is there … |
| | I have a project in java named java.war. where war means web archive files. i dont know where to place this project in tomcat directory or netbean IDE. can any one tell me? |
| | ok, I'm sure the answer to this is very simple.. there may even be some component in the os package to do this... I want to do what the code underneath seems like it would do.. I understand it does not, and when I try to run the code, I … |
| | Dear All, I would like to send email using java application. So I found this article [url]http://www.javabeat.net/tips/33-sending-mail-from-java.html[/url]. The problem now my environment is linux with jdk1.6 I do know how to setup the Java Mail Api. Any guide please? Thank you. |
| | Hey guys I'm looking for java contests for high school students that I could be involved in during this summer. Do you happen to know some? If so, please post a link. Thank you.  |
| | if i have information like this a->b->c->d->MESSAGE,how do i tokenize it such that i get a,b->c->d->MESSAGE from the original string??????????? |
| | Well the title really says it all. I am using Netbeans IDE for most of my work when working whit JComponents archive but i know how to make a java frame and add things to it without using Netbeans. Anyways. I decided to write a small program for a community … |
| | the following code is to print the nearest twin primes to a number.for eg if the input is 20...the output should be 17 and 19 logic to my code is that it checks for twin primes within the range of a given number and then adds the twin primes.....the twin … |
| | hey i am making a game and i wanted to see it as an exe file so i took the java code, creater a jar file, and then created a exe file. When the program runs on my computer it works fine, all the images load since they are on … |
| | Dear all, I would like to design a Quiz/ Test Application like Pass 4 sure, but I am stack on how I should store; (a)The Question, (b) The Answer and explanation ,(c) the multiple choice answers, and finally the (d) the Image for some questions that will have questions relating … |
| | Either nobody in the world from the myriad of forums and discussion boards I have been to knows how to do this, (which seems unlikely, as this does not seem a complicated procedure) or none of those people know how to answer a question concisely and in a straightforward way. … |
| | i am doing a project in which i simulate symmetric encryption in routers.so hav to store secret keys for mac encryption in a symmetric matrix.how do i do it?????????should i convert them to strings and then store strings in a matrix??????? URGENT HELP NEEDED!!!!!!!!! |
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