36,051 Topics
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| | Hi there, I'm writing a function to compare strings from two lists, but I'm facing problems comparing the two strings in an easy straightforward way due to my lack of knowledge in Java. I use Python more often which is way easier than Java in string manipulation and comparison. My …  |
| | hi guys i have a couple of Qs. 1.what is javadoc and how it works? 2.what [B]Strong typing[/B] means? 3.if we want to control the input ,it is better to use exeption handeling (try chatch),or a single is to control the worng input, whitch one is faster? 4.look at the …  |
| | Hi Everyone , Here JApplet Example of my own coding , I have do this for My first Assignment on Java Programming Course .. The Idea of Assignenemt is to Allow the user to enter the number of days that he want to collect it's Temoreature .. Then It start … |
| | I am having a problem with my code (see below). The problem is with the line whitePiece[0].setX(boardSquare[j].getX); and the one below it (towards the bottom). Can't I use whitePiece[] and boardSquare[j] as variables? I can't figure out how to write this any other way. boardSquare is a variable from another … |
| | Hi, I've attached the code I have that deals with allowing a user to have access to the main menu. When adding a new user, the username and password is saved to a text file. However, I want to add a default username and password so when a user runs … |
| | hello im kinda of stuck doing a project for my class. ik really need help with number 1, and 4. please help! here is what i have to do. 1. Use the charAt method to get the first character in firstName and store it in a variable called firstInitial (you …  |
| | [I] Name: [/I] The name of this question is bundled_resources [ICODE] Hello and Thank you in advance for any assistance. [/ICODE] [U] [B] Purpose: [/B] [/U] [B] The purpose of this code is to change the label of a commandButton by hijacking the resource bundle functionality and setting the label … |
| | Hi I am having problems with BufferedImage. What i would like to do is create a bufferedimage from an image stored on the hard disk. For example, i create a new file pointing to this image file. From this I would like to create a BufferedImage. |
| | [B]I am new to this coding world. Recently I have started with Turbo C/C++. What next should I go for c# or java? Are their any online tutorials available through which I can start by myself?[/B]  |
| | [code] [/code] Hello I have a couple classes here and a resource bundles and a JSF that sends the key to the class (MessageProvider) and MessageManager.java gets the resource for the selectOneMenu component label. I would like to change the label on the submit button depending on the choice from … |
| | I have a stand alone application In Vb that I would like to redevelop it using Netbeans such that it can run in server based environment. The Objective is to have it run on a network where I have clients who work from different stations but printing and storage of …  |
| | I know I am missing something when I try to run it it says that it doesn't contain a main type. I am probably missing something really easy but here is what I have. public class Cube { public static void main() { double height = 3.0; double cube_volume = …  |
| | Hi im new to this forum.I need to extract specific html tag data from html webpage using java.for ex from <img src="http://google/sample.jpeg"> this tag i extract only [url]http://google/sample.jpeg[/url] by using java.similar to all html tag.Plz give sample source code. Thanks in advance.  |
| | I am having trouble starting a program that needs to sort arrays. I need to have the user input the number of employess -which will set the number of arrays, then the user will enter differnt values into each array which should be private, such as name, age, salary, number … |
| | Hey Everyone! My name is Ed and I am new to programming and your community. Thanks for the warm welcome and I hope you can follow me with my coding problems. My code is for a project that simulates a simple vending machine. When the program is run three buttons … |
| | Hey all, for quite some time I've been working on an inventory management program for work, and I'm having a bit of an issue with the rendering of a JFrame notification window, I'll do my best to explain below (including screenshots). So my program works with a remote FTP server … |
| | I think i have everything write except for the Input statements. It is telling me that JOptionPane can't be resolved. Here is what I have so far. public class Main_Class { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub String firstNumber; String … |
| | Hi Folks,:) I am a new Programmer in NetBeans. I ma creating a [B]Desktop Application[/B] in NetBeans 6.0. Almost my Whole Application is Completed. now my Customer Request me to get Authorisation Access(Password Window) at the Startup of Application. :S Now The problem is that i can't create a JFrame … |
| | Hi guys.. I don't know if this is the right forum for my question, but.. I have a question from 13 questions I solved them all, and I just got stuck on this one "4. Consider the following advances. Decide whether each of them attack the essence or the accidental … |
| | Hi Expert i m new in jasp . i want to show name text after click on button which will be feed in text box . thanks ashish [code=JSP]<%@ page contentType="text/html; charset=UTF-8" session="true" buffer="16kb" autoFlush="true" isErrorPage="false" isThreadSafe="true" info="Directive page demo" import="java.util.Date"%> <html> <head> <title>Directive page demo</title> </head> <body> This is … |
| | Hi, I just wanted to ask for some help considering images. What I would like to do is take an image and then split it up into blocks of a certain dimension (say, 20x20). Then I would like to put these blocks into a 2D array. I tried searching for … |
| | hello everyone can u help me solve my problem... i want to call a class in another class but i dont know how..example. [CODE]public class Example{ public static void main(String[] args){ int x; for(x = 0; x< 10; x++){ System.out.print(x + " "); } System.out.println(); } }[/CODE] and i want … |
| | Hello all, I have a program running with this command 'jdb prog'. It was compiled with 'javac -g prog.java'. The program when running normally asks for input, 1st it asks for a number then it asks for a second number. When running in jdb it still asks for input so … |
| | I've nearly finished my python project, and plan to maybe distribute it. But I don't want users to have to go to command prompt and type python foo.py. I don't mind having the user install python, but is there a way I can make an exe that just runs the … |
| | [B]What i need to do is with the help of Sockets in java,: If a client requests for desktop view of the Server the Server code should then take screenshots one after the other and send it to the client and the client will display one as soon as the … |
| | Hey all, I'm having problems with a project I'm doing, I've started rewriting a project I'm doing as I ended up using too many arrays instead of classes >.< And running into some silly problems: Everytime I run the program I get this error on compilation [COLOR="red"]java.lang.NoSuchMethodError: main Exception in … |
| | Hi good people! Please help me out, i have an intranet running in my PC that means my PC is a local server. when user try to access the intranet it give them this error:- "HTTP Status 500 - type Exception report message description The server encountered an internal error … |
| | hi i am doing BCA and for MAJOR PROJECT i want to make a game in like PING PONG. if anyone can advice me the language that would be easy for it to make??. i am prefering JAVA |
| | Is there a way to change the color of the text in a JTextArea? I want to change all the text color to one color (other than black) and I just want to know how to do this. I see a lot of methods involving color but they only effect … |
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| | [CODE]public class Election { private Voter v1; private Voter v2; private Voter v3; public String winner; int myTotal = 0; int hisTotal = 0; public Election(double pa1, double pv1, double pa2, double pv2, double pa3, double pv3) { for(int i=1; i<=3500; i++) v1=new Voter(pa1, pv1); for(int i=1; i<=3500; i++) v2=new … |
| | Would anyone be able to help me fill this code in. I have to ask the user for 2 playing cards. for example 7c(7 0f clubs). then at the end I have to compare the suit and print which card is the higher suit. I have the code outlined on … |
| | I have the following in a dat file: Obe 20 12 15 20 -1 Twitter 16 12 18 19 -1 Karah 30 15 12 3 30 -1 Cappy 12 12 13 15 14 -1 Monkey 17 16 15 14 14 -1 I am trying to write a Java program to … |
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| | Hi everyone!!!, am new to web services and trying to write a web method which accepts and return and array of int. Am using a c# client to consume it, when i call the web method in the client i get an error saying "can not convert int[] to int?[]". … |
| | I am trying to update a jlabel, but the label is not updating. Thanks for any help. Daniel [CODE]package converter; import java.io.*; import java.awt.*; import java.awt.event.*; import java.util.ArrayList; import java.util.Iterator; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.*; import javax.swing.filechooser.FileFilter; public class modelConverter extends JFrame implements ActionListener, ItemListener { // Data panel … |
| | Hi to all... I've just join and found this amazing website/forum today which is very helpful. So here's the problem.. I need to find the factorial of an input number, I have a slight problem with my script, when i enter a value which is 11 upwards it doesn't print … |
| | I am intended to use heritrix to crawl some sites but want to skip all the ads that are linked in the pages also want to make my crawler to crawl only specific links form seed URL which I am getting from my database. Will you please guide me for … |
| | I am currently working in one swing application. I need to display html contents in some window. In swing we are having [B]HTMLEditorPane [/B]that can display HTML contents on window (not in browser). Now this HTML contents is not well structured. like starting and ending with html tag inside it … |
| | Im am trying to write a Java program with a system class called:PayScale. 1. It needs to prompt user for "Hours worked" and "Pay rate" 2. Determine if there is overtime 3. Calculate overtime at "time and 1/2" 4. Calculate regular pay It must then print out: 1. Total hours … |
| | I am intended to use heritrix to crawl some sites but want to skip all the ads that are linked in the pages also want to make my crawler to crawl only specific links form seed URL which I am getting from my database. Will you please guide me for … |
 | Hey guys, I am writing a small script that requires me to make text that is within a textArea multi coloured. I will show an example in the quote box below: [QUOTE] [COLOR="red"]Hello, How are do you?[/COLOR] [COLOR="green"]I am Fine, how are you?[/COLOR] [COLOR="red"]Great![/COLOR] [/QUOTE] I was wondering if there … |
| | hi i have to group the data. i completed coding. the output is [ output] C:\Program Files\Java\jdk1.6.0_03\bin>java check Please Enter the Number of Clusters 3 Enter the file to be read with csv extension hi.csv [(345,2) belongs to 0, (300,2) belongs to 0, (390,2) belongs to 0, (400,3) belongs to … |
| | Hi people, Yeah, so I have an application that works. The code is not buggy and I have worked hard on it. It is three files long but the section I need help with is small. It is the paintComponent section. It is a multi-threaded application and if you want … |
| | Hi, I was wondering is anyone could help me out. I'm trying to program Mario as my final for my comp sci. class. I'm not working about the actual Sprites now, just the basics, ie, moving, jumping and collisions. I'm stumped on the jumping part. Is there a good way … |
| | Although I'm a novice in Java I am to make a pool simulator in java with the ability to handle any arbitrary number of balls (i have created a Ball object, balls will be stored in the Ball array called balls). All the parameters are to be read in from … |
| | The following code is giving me `"Exception in thread main java.lang.NumberFormatString"` error and some specifics following it. The file I am having the program read is in the following REQUIRED format: Smith 12 14 15 12 16 -1 James 19 19 28 48 12 -1 Where -1 is a sentinel … |
| | my program doesn't display the shapes after the button is clicked .. can someone help me with this .. import java.awt.*; import javax.swing.*; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; public class DrawShapes extends JFrame { public DrawShapes() { JPanel panel = new JPanel(); final JButton circle = new JButton("Circle"); JButton square = … |
| | Hi Can someone please help me figure out how to find the parent of a node? Here is the closest I got to something that works. It finds the parent and prints it out "parent: x" but it doesn't send the parent node back ? Any help would be appreciated. …  |
| | Hi I am trying to implement the Fast Fourier Transform. I have some code which I got online and slightly modified. I have a class GrabPixels which extracts a pixel array from an image, the class FFT implements the transform. My problem is I don't think the methods in the … |
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