32,204 Topics
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| | How to import Logging class..Because when i import log4j.xml the program is outputing an Error "unknown configuration log4j" |
| | I have this program I'm writing. I need help with the bet part of the program. I'll give you an idea of what I'm doing: The player starts with $500. He can bet between 0 and his current amount left on next turn. If he bets 0 the game is … |
| | For the assignment we're suppose to add a findFirst, findNext, and addElement method to the given class and test them. I manage to get the findNext and addElement working but not the findFirst. Here's what the findFirst suppose to do "Method findFirst(T item) searches for and returns the index of … |
| | Can some one help me with my programming project, it is supposed to loop. If the number is even output comes out even and vise-versa. Can someone please tell me what is wrong with my code. Errors "3 errors found: File: C:\Users\Kaamil\evenodd test.java [line: 1] Error: The public type NumberEvaluator …  |
| | /** * @(#)SavingsAccountTest.java * * SavingsAccountTest application * * @author Kelvin Njuguna * @version 1.00 2012/4/24 */ public class SavingsAccountTest { public static void main(String[] args) { double interest1,interest2; double newBalance1,newBalance2; SavingsAccount.modifyInterestRate(0.04); SavingsAccount saver1 = new savingsAccount(2000.00); SavingsAccount saver2 = new savingsAccount(3000.00); for(int=0;i < 12;i++); { system.out.printf("Month %d:\n",i+1); interest1 = …  |
| | Hi! I have one small question. Is that possible? public class test1 { public static void main (String[] args){ test2 client = new test2(); test2[] call = new test2[1000]; int x =2; call[1].add1(x); } } public class test2 { void add1(int x) { x = x+1; } } Sorry for … |
| | Im stuck on how i shlud set up my Maze class in order to get started with solving it recursively. The maze has values stored into a two dimensional array " char[][] maze" and from there im stuck. heres my codes so far: public class Maze { char start; int … |
| | i have been coding a client server program to calculate factorial of a no . The client will pass the no to the server whose factorial is to be calculated. Now the problem that i am encountering is that no matter what value i am passing to client(variable msg in … |
| | hello friends! I want to participate in soccer simulation competition and i don't have any info about its programming. i want to use java. is there anyone help me? Thank you. |
| | I need to create a program that will read from a file and output the information into a JFrame. I know how to create a program to read a file, but I just need some help reading the file to GUI. Any help would be appreciated! package ism3230_ch6assignment; import java.io.*; … |
| | Hello, I'm new to this site, and i really need help with something. I have been working on a checkerboard project for my second programming class, and now I'm stuck. I now how to set the icons, but now I am absolutely confounded as to how I move the icon … |
| | I need help for another one of my assignments for CS Class. On the rubric, one of the part said: > all characters are shifted right by two positions and the last two characters becomes the first two characters The condition is that the string has to be entered by … |
| | Pretty much i have to read a txt file which contains a sample maze in it as so: 4 5 ~~~00 00S~0 E~0~~ 0~~~0 the first number is the number of rows and the second is number of columns. Im having trouble figuring out how to store just the "maze" … |
| | Hey guys, I'm about to start a project in which I'll have to implement something simillar to an ordinary excel sheet, and one of the aspects that will be focused is related to the creation/implementation of Macros which allow me to record a number of actions and then perform those …  |
| | Hello, The following program displays two images (ImageIcon type) inside the JTextArea. Is there a way I can make both of these images transparent sothat what I type on them is visible? Thanks in advance! import javax.swing.*; import java.awt.event.*; import java.awt.*; import java.awt.image.BufferedImage; import java.io.File; import javax.imageio.ImageIO; import java.io.IOException; public … |
| | Any body can help me with this error I am getting this error: C:\Documents and Settings\Fuad Damra\Desktop\TCPDayTimeServer.java:33: variable out might not have been initialized out.println("Server Sent Average: "+Avg); ^ 1 error When I am trying to execute this program: [CODE]import java.io.*; import java.net.*; import java.util.Date; public class TCPDayTimeServer { public … |
| | So i came across this issue that I can run my applet fine and it creates my file (exe) until i attempt to do so in a browser (firefox, IE, etc). Its signed and asks for permission and gives no erros but it doesnt write to the file I want … |
| | Hello folks,I have implemented steganography for Least Significant Bit(LSB) 2 bit which works for any kind of carrier files i.e,basically i can hide image/text/video in any of these files. 1)Now i need to do some improvement for the project i.e, implementing steganography using any other method which is more efficient … |
| | import java.io.*; import java.nio.ByteBuffer; import java.util.zip.*; import javax.crypto.*; import javax.crypto.spec.*; import javax.swing.*; import javax.swing.event.*; import java.awt.*; import java.awt.event.*; public class Steganograph { public static final byte[] VERSION_BYTE= {'2','0','0'}; public static final int OFFSET_JPG= 3; public static final int OFFSET_PNG= 42; public static final int OFFSET_GIF_BMP_TIF= 32; public static final short … |
| | Hello, I have a observer pattern based JTable. With time it is poulated with new data packets. I use addRow functionalities to add my rows. But I want to put always the last coming datapackets at the top. How to do it?? |
| | i am doing a project with a group i have to deal with orders by kind then linked to the driver who will be taking the first customer. the driver can be free or back in 10 min. i have started with the order list with the customer, i have … |
| | I have two files Persons.txt and Hobby.txt.In the third file i want to put all the persons names and add each name some hobbies.This is how my files look like Persons.txt ID;NUME;PRENUME;DATA_NASTERII;PROFESIA 1;Stan;Ilie;22-01-1977;profesor; 2;Becali;GG;01-07-1965;patron; 3;Tanase;Cristian;07-12-1988;fotbalist; 4;Pop;Ion;21-03-1984;pictor; 5;Popescu;Rodica;17-04-1986;sculptor; Hobby.txt ID;NUME;DESCRIERE;NUMAR_MINIM_PERSOANE;ELEMENT_NECESAR 1;baschet;sport in care se arunca mingea la cos;6;minge 2;fotbal;sport in care … |
 | Hi) Guys , please tell me - which java graphic (which make you able to work with winforms) library should be studied at first? I started with SWT , but that i heared that it isn't "standart"...... thanks in advance for help. |
| | Hi, I want to know what is main difference between Single Threaded and MultiThreaded Client-Server? I want to create a client server chat application. Server Form consist: 1 Textarea(text area) (to display text) 1 sendarea(text area) (to type the text to send) 1 Send button (to send the text which … |
 | Hello I am currently working on this code and the code can be runned well from 100-10,000 random elements after that the heap sort says stack over flow, im thinking the recursive calls are the cause of this, so please healp public static void MAX_HEAPIFY(int [] A, int i, int … |
| | Hi, This is the line: Class ourClass = new Class.forName("com.app.something"); And this is the the error: cannot find symbol class forName My IDE is Intellij Idea. This is a particular case, but i want to know what causes this type of error, what should i look for. |
| | Hello, So I'm trying to make a simple register form in Java. I'm trying to code by myself to learn. I followed this tutorial: http://www.newthinktank.com/2012/03/java-video-tutorial-30/ My code seems to be fine, but when run the program, it doesn't look the way I wanted. Right now, this is how it looks: … |
| | Here is a very simple segment of code. What I want is when I click on the button "First Button" then the window become empty. What actually happens is the window just becomes unresponsive. What could be the problem and what could be a solution?? import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import … |
| | Hi! I'm new, sorry if this is in the wrong place, mods please move this if necessary. Basically, I'm trying to give a breif definition of interfaces and abstract classes, please check if these are right: An interface defines what should be done not how it should be done. The … |
| | Hello! I've been staring at my code for a while and I really have no idea where I'm going wrong. I'm working on deleting a specific node (for example, the integer 317)....but for some reason I just keep getting a nullpointer expression. I get the error when it goes into … |
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