35,619 Topics
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| | how can we get the list of all the classes that are currently loaded in the Java Virtual Machine(JVM)?? it'd be better without the use of any external libraries..thank you.  |
 | For the below program: import java.util.*; public class triangleLoop { public static void main (String[] args) { int height, row, col, spa; String leftOrRight; char hyp; Scanner kbd = new Scanner(System.in); System.out.println("Enter the desired height of the triangle: "); height = kbd.nextInt(); kbd.nextLine(); System.out.println("What side do you want the hypoteneuse …  |
| | I'm having trouble with this: import java.util.Scanner; public class triangleLoop { public static void main (String[] args) { int height, row, col, spa; String hyp; Scanner kbd = new Scanner(System.in); System.out.println("Enter the desired height of the triangle: "); height = kbd.nextInt(); System.out.println("What side do you want the hypoteneuse on? (left/right)"); …  |
 | Hello everyone. I have successfully added an image to my JPanel, but what I want to do is this: I want to be able to mark a section of the image as clickable. Then when the user clicks within that section, I run some action. So essential I want to …  |
| | Hello Good day. I have an interesting question as it relates to adding a background image to a JPanel (or whichever component is best for what I'm trying to achieve. Hopefully I'll get some help here.) I have a large picture that I want to use as a background image … |
| | Hi , I am new to hibernate and facing issues with composite key mapping.Please help,.While running class name Example,At line 36:- **List sites = session.createQuery("Select h from SiteStageDto h").list();** code is returning null pointer,the hql is returing right query but unable to fetch data to list. I am also posting … |
| | I have been looking at the code below and it is driving me nuts. Can anyone explain the error and resolution? When I compile to code below I receive the following compilation error: cannot find symbol symbol : class User location: class com.atlassian.jira.rpc.soap.beans.RemoteUser package com.atlassian.jira.rpc.soap.beans; import com.atlassian.jira.user.util.UserManager; import com.atlassian.jira.user.util.UserUtil; public …  |
| | I am attempting to make a Dictionary like software. The way this software will work is that You will be able to enter a word into a search bar, and the dictionary will search for the word. It will display the word, the pronunciation and the meaning of the word … |
| | I want to sort it by not using Array sorting. import java.util.Scanner; public class practice5 { public static void main(String[] args) { Scanner p = new Scanner(System.in); int i,j,temp = 0; int min=0, max=0; String w; System.out.print("Enter a Number to sort:"); w = p.nextLine(); String[] m = w.split("\\s+"); int [] …  |
 | How to make [Java Websocket](http://java-websocket.org/) work with [Hessian protocol](http://java.dzone.com/articles/hessian-web-service-protocol)? I need both server and client using Hessian to communicate, but I don't know if it is possible and what to do. Thanks.  |
| | hello, I want to write a cybercafe application using java that allows users to login wit a preconfigured password that also reflect different time the cafe client wishes to spend. I dont know how to start and would be glad if you guys could show me where to start from. … |
| | I have 7 edit text boxes established as preferences they are workiing correctly and when selected they display their vaue. But I would rather that they display their vaue from the preferences screen if a value has been entered instead of requiring the need to click the preference to open … |
| | Hey guys! I'm working on this project of mine and I can't seem to get it to work. It keeps saying that I haven't initialized the variables: name, address, email, contactNumber, numberOfVisits. I currently have 3 classes in the package: PagamutanClinic, Clinic, and Patient. Here's my Main: import java.util.Scanner; public … |
| | Help me to load data into Jtable when jframe loads...  |
| | Hi folks, This is my first post on DaniWeb Im trying to build an enhancement to my web app, by including pagination to diplay the results of a query in the jsp. I ve tried using the diplay tag library to implement the same .Before using the display tag library … |
 | I am working on a mapping system to support pathfinding over areas that are too large to hold in memory. The problem i have run into is how to load only a small part of the map when its all linked together and then dynamicaly load more of the map … |
 | Hi I don't really have much experience in programming, but I am trying to make a tool that would kill a repetitive task. I'm creating a small tool box that when I click it in a certain button, it will open AD, CMD with a different privileged account. it would … |
| | Hi i m getting problem in uploading files to my site i am not expert in java i m novice whenever i trying to upload files via jupload it give me error ClassNotFoundException wjhk.jupload2JUploadApplet [Error Picture](http://postimg.org/image/qt0s56cr3/) some days back it was working fine and its w-script which use jupload to … |
| | I have a java program that dispays the temperature in digit format ie 87.7F. I would like to make a thermometer using graphics to do this. I have only been using java for 2 weeks now and just wonding if someone could give me pointers on the best way to … |
| | Hi everyone, first time poster so I apologise if I'm not that great. Basically, I am looking into creating a Minecraft Launcher and I cannot for the life of me get this to work correctly. public static String authCode = "cmd javaw.exe -Xmx1G -Djava.library.path=\"%APPDATA%\\.minecraft\\versions\\1.6.2\\1.6.2-natives\" -cp \"%APPDATA%\\.minecraft\\libraries\\net\\sf\\jopt-simple\\jopt-simple\\4.5\\jopt-simple-4.5.jar;%APPDATA%\\.minecraft\\libraries\\com\\paulscode\\codecjorbis\\20101023\\codecjorbis-20101023.jar;%APPDATA%\\.minecraft\\libraries\\com\\paulscode\\codecwav\\20101023\\codecwav-20101023.jar;%APPDATA%\\.minecraft\\libraries\\com\\paulscode\\libraryjavasound\\20101123\\libraryjavasound-20101123.jar;%APPDATA%\\.minecraft\\libraries\\com\\paulscode\\librarylwjglopenal\\20100824\\librarylwjglopenal-20100824.jar;%APPDATA%\\.minecraft\\libraries\\com\\paulscode\\soundsystem\\20120107\\soundsystem-20120107.jar;%APPDATA%\\.minecraft\\libraries\\argo\\argo\\2.25_fixed\\argo-2.25_fixed.jar;%APPDATA%\\.minecraft\\libraries\\org\\bouncycastle\\bcprov-jdk15on\\1.47\\bcprov-jdk15on-1.47.jar;%APPDATA%\\.minecraft\\libraries\\com\\google\\guava\\guava\\14.0\\guava-14.0.jar;%APPDATA%\\.minecraft\\libraries\\org\\apache\\commons\\commons-lang3\\3.1\\commons-lang3-3.1.jar;%APPDATA%\\.minecraft\\libraries\\commons-io\\commons-io\\2.4\\commons-io-2.4.jar;%APPDATA%\\.minecraft\\libraries\\net\\java\\jinput\\jinput\\2.0.5\\jinput-2.0.5.jar;%APPDATA%\\.minecraft\\libraries\\net\\java\\jutils\\jutils\\1.0.0\\jutils-1.0.0.jar;%APPDATA%\\.minecraft\\libraries\\com\\google\\code\\gson\\gson\\2.2.2\\gson-2.2.2.jar;%APPDATA%\\.minecraft\\libraries\\org\\lwjgl\\lwjgl\\lwjgl\\2.9.0\\lwjgl-2.9.0.jar;%APPDATA%\\.minecraft\\libraries\\org\\lwjgl\\lwjgl\\lwjgl_util\\2.9.0\\lwjgl_util-2.9.0.jar;%APPDATA%\\.minecraft\\versions\\1.6.2\\1.6.2.jar\" net.minecraft.client.main.Main --username playername --session … |
 | Hi Dw I've created a console application and now I want it to close or teminate straight when I choose exit I've tried the System.Exit(0) but it doesn't close the command screen please help me out. Thanks |
| | I have a Java code block like following: Vector<NameAddress> route = dialog.getRoute(); for ( Enumeration<NameAddress> e = route.elements(); e.hasMoreElements(); ) { // some more to copy route to another Vector<> } I am trying to convert it in C# and here is my code: List<NameAddress> route = dialog.getRoute(); for ( …  |
 | Hello. I uhh... I just want a sample code for the Exceptions: SecurityException and StackOverflowException. I'm still new to handling exceptions. Please, just a sample code that is about those two will do.  |
 | Hey there guys :) I need to create a page (HTML) which contains some static content, and an `iframe`. The `iframe` is used to contain an external page, so I am trying to 'inject' the source of the page into the document element of the` iframe`. You would ask me, …  |
 | Hello, I would like to learn android programming, but have no knowledge in java whatsoever. Do I need to go through a java course first before starting with android, or is there a way to start programming directly with the latter? |
| | I am trying to decimal format a group of numbers into a 2D array and I keep getting an Error in Netbeans. It says where I have the d.format(0.0); that I need a double and have a String when then input present is 0.0. This is driving me insane and …  |
| | Hi dear users, I need a java fuzzy logic library for writing fuzzy logic code in java and an example of that to how to write that code by it's Library. My environment is Centos 6.4 and without any GUI. How could it be possible? I really need your help. … |
 | i have a problem in retriving image from mysqldatabase in jsp that when iretrive the image then only the image is display on the page or browser and all other table or data is not displayed because of the image  |
 | In Java programming a game like with maze like structure. How do we check collision with wall? Anyone who knows how the wall object work? Many thanks--Petranilla |
 | I created several JComboBoxes using a for loop. I want them to reset when i click the reset button. But this doesn't work. These are my codes... import javax.swing.*; import java.awt.*; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import java.awt.event.ItemListener; import java.awt.event.ItemEvent; class TryCombo extends JFrame{ TryCombo(){ super("Trying JComboBox"); setDefaultCloseOperation(EXIT_ON_CLOSE); JButton but = … |
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