32,199 Topics
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| | Hi, I have a string and I want to get different combinations out of it. Suppose I have a string "abcdef" I have to get different combinations of it like abc, abd ade etc. thanks for help  |
 | Hey I'm building a application and using JTree to navigate between the functions. This is working but can't figure out how to set up the JTree to have different icons for each node. I can have one default icon that gets rendered to each node or set up an icon … |
| | I created two version of my program using a buffered reader.. my first version I made using notepad and the second version using Netbeans IDE... my code "new BufferedReader(new FileReader("data/list.txt")" works on my notepad version though FileException error on my Netbeans IDE although it works if i use absolute path … |
| | I'm suppose return a change to user. Initially, the machine has Bills - 0 quarters - 5 dimes - 5 nickels - 5 user puts a money to machine(each coins are sum up to only maxium $1 i.e, user can only put 10 dimes maximum, or 20 nickels) but only … |
| | Hi there everyone, Is it possible to use more than one Layout Manager in a single GUI interface? I have classes (with event handlers) for various buttons, jtext menus, etc... but so far I've only built simple programs that use a single layout manager. When I call the setLayout() method … |
| | Hello all, I am having some trouble I hope you can help me out with. I am trying to input a list of text, which has the name of a sub, the hull number, and the homeport of the sub, like this: [B]USS West Virginia [SSBN-736] Kings Bay, Georgia[/B] a …  |
| | Hi everyone, I'm trying out on JTAPI. My objective is to make a call from my Java Application to My hand phone via Modem which is connected to Land Line. And I am getting quite confused reading the API and any hint to get started? Cheers! Thurein |
| | Hello guys... i came across this statement on the internet "java uses Preemtive scheduling?!!!" and i have NO idea what it means. i found 2 definitions online: [U]A preemptive[/U] operating system allows external interrupts ( such as timers, communication devices, etc.) to cause the task that is running to be … |
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| | I am new in Java. I have to write a program that accept a person weight and display the number of Calories the person need in one day. A person needs 19 calories per pound of body weight, so the formula expressed in java is calories= bodyweight*19. Use JOptionPane claas …  |
| | I want to display result when a student enter their rollno in a text box and click on the submit button. I know there are errors as i have tried many times before and each time i have changed it so Please help me in locating errors.I need it early. … |
| | am creating a calculator using net beans IDE so yeah i made 0 - 9 buttons.. although seems like i dont want to create an event handler on each number cause it's like a waste of time.. is it possible that the zero to nine button can only trigger one …  |
| | Hi, I am in my final year for IT and have to submit a topic for my final year project in 4 days. I have to use Java(core) and J2EE something related to client-server. I am totally confused. Please help. Just give me some interesting topic ideas. Any thing else …  |
| | Hi I m developing an application in which i want to compare a String with string[]. Means i m having array of names which i m displaying in a table..Then i m changing some names in table dynamically by some processing and adding new names to the table... While replacing … |
| | Hello, please help me. I am using NetBeans 5.5.1 inbuilt Tomcat for my web application. When ever Nullpointer or ArrayIndexOutofBounds exceptions occurs in the BundledTomcat Log, all the information appearing in the BundledTomcat and BundledTomcat Log is getting cleared in the output window. And I am unable find what is … |
| | dear all, I know how to correctly execute SQL statement using con.execute() (where con is type of java.sql.Connection). But how can I execute Microsoft Access Query Object, which require one or more parameters? Do we need to use PrepareStatement ? Thanks |
| | Any hints in converting this C++ code to java [url]http://pastebin.com/f2db2b32e[/url] I have pretty good idea what is going on in main () , but I not sure about the top template part and the class called Moron :) The program just reads a text file counts up the frequency of … |
| | Does somebody know a better tool as the "Resource Bundle Manager" for managing translations/resources ? [URL="http://www.icu-project.org/repos/icu/tools/trunk/unicodetools/com/ibm/rbm/docs/index.html"]http://www.icu-project.org/repos/icu/tools/trunk/unicodetools/com/ibm/rbm/docs/index.html[/URL] Thank you! |
| | Hello there, I am trying to build a square matrix of the type Double, with the following code: for( i = 0; i < weightVector.length; i++) for( j =0; j< weightVector.length; j++) { weightMatrix[i][j]= weightVector[i]* weightVector[j]; if(i==j) weightMatrix[i][i] += 0.0001; } The problem is each time the vector "weightVector" has … |
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| | currently I am randomly generating a set of number from 0 to 7 in decimal in array..then I hav to convert them in binary form... however,i fail to get it.. any mistake i did?hope to get some advises from u .. public class Initializationtest { public static void main(String[] args){ …  |
| | hi guys i want to make a tool bar wich is connected to one or more sites and links that tool bar it is kind of like a news tool bar but i want it to view some kind of website feeds and it runs a normal setup and installed … |
| | Hi all, I got a code in 2 programs that allow me to open the file, write the file, then close it. BUT...I want to open it back up and read it then close it again and i don't know how to. Below is what i already have but i … |
| | We're making a queue that simulates a line at the DMV and aftersomeone goes through the line, or queue, we cant to take that persons name and add it to a new queue to display in the final stats of how many people have gone through and the total amount … |
| | I have created a gui using extend frame. What my program needs to do is replicate a DNS server, the DNSServer code has to be its own class, So to my project i have added class. How do i acces the methode within the DNSServer Class?  |
| | Please i need help with My Login prog that can enable two categories of people to login that is the administrator and a user below is my code snipet bcos i am stucked. import java.util.* ; import java.awt.* ; import java.awt.event.* ; import javax.swing.*; public class HeartLandLogin extends JPanel implements … |
| | I'm still in Computer Science 1 in my school, so I don't know many advanced features yet. In the class we viewed an applet where the user can control an image of a game character and move around with the arrow keys. I'd like to make a simple game like … |
| | Hey guyz i'm a newbie in java and I would like to create a program to find all palindrome prime numbers between two integers supplied as input (start and end points are excluded). I've started but now i'm stuck... Can u help me??? import java.util.*; class Question4{ public static void … |
| | Hi, I want to get the (ichain ldap) loggedin sessionid and redirect the user to a page1.htm, page2.htm.. on the same server, only have to redirect to pages how do I do this with JSP ? any help on this highly appreciated. Thank you in advance Doosa |
| | Hey guys, I'm not sure if you can tell how long I've been registered by my status or something but I'm new obviously and having a little problem with an program I'm writing. I get an error message stating that "The constructor bankofMark.mattsAccount(String, String, String, String, String, String, String, String, …  |
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