32,199 Topics
 | |
| | 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 … |
| | i have to create a graph for my project i found an example that was working and followed it first time with graph. i wrote my code got no errors but when i run the code this is what i am getting i don't understand it can some one help …  |
| | I'm working on playing nim, where the person who takes the last object wins. My program is currently working, but it terminates after I only take one bunch of stones (You can take up to 3 at a time), no matter what the pile size is. Is there a way … |
| | hello, i'm leaning about ActionListener but i can't compile my code, i don't know why :( this is the code package javaapplication7; import java.applet.Applet; import java.awt.Button; import java.awt.Color; import java.awt.Label; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class Test extends Applet implements ActionListener{ Button b1=new Button("Red"); Button b2=new Button("Green"); Button b3=new Button("Blue"); … |
| | Hi Guys, i need to create an application that would add or remove user accounts on a mac, also provide the users with the relevent premmisions. This has to be created in order to bulk create users or remove them so the apple provided interface would not be efficiant. Any … |
| | I have an application I'm updating from Java 6 to 7 inorder to get it to run. The code looks like: public Canvas(GraphicsConfiguration config) { this(); graphicsConfig = config; } But when compiled I get: "graphicsConfig is private access" @ line graphicsConfig = config. How can I do the same … |
The End.