31,001 Topics
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| | You are the leader of a crack intelligence unit, and today your team intercepted a set of encrypted messages ('ciphertexts') from 'IndyBoy', a well known and much feared terrorist leader. It is thought that these ciphertexts contain instructions to his henchmen on which targets to attack next. Your team knows … |
| | i have a textarea where a user can enter free flow text.I want to seperate out lines/occurences in my java class based on the below conditions: Unless the user presses the enter key i want to get substrings(texts) of 15 characters each or else whenever the user presses enter i …  |
| | I need to Stream [B][COLOR="Red"]Live[/COLOR][/B] Audio and Video, i went through a web site, and it gives a code, [URL="http://www.cs.odu.edu/~cs778/spring04/lectures/jmfsolutions/examplesindex.html#transmitboth"]http://www.cs.odu.edu/~cs778/spring04/lectures/jmfsolutions/examplesindex.html#transmitboth[/URL] in this, i dont no how to run the application, because we should have 2 port addresses each for Audio and Video. how do u compile this(The Command line arguiment) … |
 | I'm having small issue with drawing on panel. Neither image or text appears, however background is set correctly therefore it has to be due some issue inside my paintComponent() method. [code=Java] import java.awt.Graphics; import java.awt.Color; import java.awt.Dimension; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO ; import javax.swing.JPanel; public class … |
| | if using tomcat with eclipse plugin everything works fine through the eclipses built-in browser. is it suffice to say if i copied the eclipses project to tomcats webapps it should work as well? heres how my eclipse project looks like: [URL="http://i40.tinypic.com/315e713.jpg"]http://i40.tinypic.com/315e713.jpg[/URL] invoking html is in WebContent\ WelcomeServlet.html proccesing .class in … |
| | Hi all, I'm trying for a long time, to make a program working in java. I would load a JPanel in my java programm when i press on a menu item. Now i have made a function ChangeRoot(); in the main class. After that he must change the contentPane();. Can … |
| | hi all ..how are u ? i have a security project in java ...i have to implement the DES cipher and the Stream cipher ...with GUI ..where can i find a working source code for these ciphers ...can someone help plz ...and thnx in advance? |
| | [CODE]class Panelz extends JPanel{ public String test; Panelz(KeyListener ky){ addKeyListener(ky); test = "Empty"; } public void paint(Graphics g){ g.drawString(test, 10, 10); } } public class Begh extends JFrame implements KeyListener{ Panelz a = new Panelz(this); Begh(){ super("Press"); setLocationRelativeTo(null); add(a); setSize(500, 500); setVisible(true); setDefaultCloseOperation(EXIT_ON_CLOSE); } public static void main(String[] args) { … |
| | Hi folks, Guess what....I am kind of new to OO programming programming. However, I have this task to complete in next week and if someone is willing to help, would be much appreciated. Task: Given input file A, translate the content to produce output file B File A: Consists of …  |
| | My application uses many such packages which are not inborn sun packages and need to download and configure them for application to import properly. like import org.apache.commons.lang.StringUtils; or like import org.apache.log4j.Logger; etc. and also the java advanced packages like group of javax 's packages, I dont wanna to download the … |
| | Hi : I am beginner in using java , I tried to add bignumber using java my program enter numbers and add them , stop when user enter 0 then show the summation. [CODE] import java.util.Scanner ; import java.math.BigDecimal; public class CODE { /** * @param args */ public static … |
| | Hi guys Iwant to connect java to oracle ,but Iam not familiarneither jdbc nor in setting classpath however depending on my little information,I used the following code [CODE=java] import java.sql.*; public class OraThin { public static void main(String[] args) throws ClassNotFoundException, SQLException { Class.forName("oracle.jdbc.driver.OracleDriver"); // // or // DriverManager.registerDriver // … |
| | Toxic. When I set look and feel, and have a static JProgressBar, the look and feel resets to "Metal". Anybody, please explain this behaviour.:@ :icon_mad: |
| | Hey guys. In my Data Structures Class today somehow we ended up talking about the Monty Hall Problem for a little while. Anyways I got bored and wrote code to statistically check if it is correct (even thought I know it is). For those of you who don't know what … |
| | Hello Everyone, Can you give me some idea on how to connect to an https site which requires user name and password? I would like to download or upload a file to the https using Java. Is this possible? Any suggestions are greatly appreciated. Looking forward to your replies. Thanks … |
| | In my application I have: Class B Class C extends B. Class C contains one method that overrides a method in B. Lets call the method myMethod and Class C has the constructors that simply call the super method in the parent class. In a JSP file that uses these …  |
| | Hello All. First, I thank you all for viewing this thread. Second, I was wondering if anyone here knows of a way to pull data from Wireshark and to insert it into an Eclipse Application. My eclipse application is measuring data sent across a network. If I can pull packets … |
| | Hello I am looking forward for converting a .jpg image into binary image. Please guide me. |
| | hii,im new to java graphics.can anyone tell me how to create a circular slider(like a Jslider just its circular in fashion). |
| | Hello. I'm developing a game in c++ and have found that you almost have to be Bill Gates to figure out how to connect to the internet using c++. So I've taken the idea that I should create the first section of my game in Java. This section would open … |
| | [CODE]Could not connect to: : 50404 java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at java.net.Socket.connect(Socket.java:520) at java.net.Socket.connect(Socket.java:470) at java.net.Socket.<init>(Socket.java:367) at java.net.Socket.<init>(Socket.java:180) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.connect(RemoteTestRunner.java:560) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:377) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) [/CODE] has anyone run into this issue and or find a fix? I've not been … |
| | Hi, I am trying to write some code which uses a JSlider to specify the number of lables to be displayed on a frame. I know how to create the JSlider and display it, but I am not sure how to implement different numbers of lables. I hope someone can … |
| | hi all ...how are u? i have a question ...how can i output the items of a java Stack ...is there any predifine method?? and another question ...how can i use the class Queue without interface ? ...because i'm typing in my code (Queue q =new Queue();) but it's giving … |
 | Hello, I have a question about sorting. How can I sort HashMap by element in the HashMap ? That's meaning, if I have in the Sys class map such as: [code=java]protected Map <Constructors,RaceTeam>raceTeam=new HashMap<Constructors,RaceTeam>();[/code] and in the RaceTeam class I have this variables: [code=java] protected Constructors name; protected int totalScore; … |
| | Hello, I have a Tree structure with custom TreeNode nodes. The structure of TreeNode is: private int level; private String label = null; private String data = null; private TreeNode parent = null; private Vector <TreeNode> children = null; I should find each unique path from root to all leaves … |
| | Am having problem calling a simple stored proc to insert data from a java program. The insert statement works fine when called directly with prepare statement. But when I use call it through a strored proc I get an error. jar file is ojdbc5.jar. - oracle10g. Then i tried another … |
| | this is my code and it says i have problem in line 5 which i couldnt solve . can anyone please help me with this soon! [code=java]import java.text.*; public class SavingsAccount { private double static annualInterestRate; //declare static variable private double savingsBalance; //instance variable public SavingsAccount(double bal); //constructor { savingsBalance= … |
| | I'm having a problem deciding how to handle a situation. I'll briefly explain whats going on before I ask the question(s). I have a viewObject (bean) and what it does is display information that is gathered. To keep it from getting too complicated I'll say I have 3 jLabels. One …  |
| | is it possible to use try catch exception inside while loop? [code=java]while(username_ctr <= 5){ try{ user1 = str_div[username_ctr].indexOf("open_pm_tab",username_start); user2 = str_div[username_ctr].indexOf("')", user1); user3 = str_div[username_ctr].lastIndexOf(',', user2) + 3; str_username[username_ctr] = str_div[username_ctr].substring(user3, user2); //System.out.println(str_div[username_ctr].substring(user3, user2)); username_ctr++; }catch(Exception e){ slash1 = str_div[username_ctr].indexOf("</font", 0); slash2 = str_div[username_ctr].lastIndexOf('*', slash1); //System.out.println(slash1); //System.out.println(slash2); //System.out.println(str_div[username_ctr].substring(slash1, slash2)); //System.out.println(str_div[1].substring(slash2,slash1)); … |
 | Hi, I am trying to do something like this:- [CODE]1 10 20 30 ##########|##########|########## rect 1 rect2 rect3 5 ########### 15 user rect - (transparent and temporary based on user mousedrag) [/CODE] Now If a user clicks suppose in the middle of rect1 and drags it to the middle of … |
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