[java] Forum Topics

Hey, I have to write a Java program that implements a sorted linked list to be able to count the number of chars and words in an input file. would any1 be able to help me please? Thanks

Hi, I have a project on peer-to-peer file transferring...Now I don't have any clue how I can use just the IP address of a computer to search for files in different drives...I have used socket object to create clients...now I have the info of only IP address and port number …

Tryin to get the "Division by zero not allowed" part working ca someone help please :cry: [PHP] import java.awt.*; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import java.applet.Applet; public class JDivideMe extends Applet { private TextField numeratorField = new TextField( 10 ); private TextField denominatorField = new TextField( 10 ); private Label theAnswer …

Heya all, I have a small problem. I have created a phonebook program for myself. I am using MySQL to store all the data. Just the usuallly stuff like name, tel No, address etc. I have about 400 entries in MySQL. ON MY SEARCHING MENU: I use a JTextfield to …

Hello everyone, When exceptions occur in constructor so that the instance of the object can not be created, should we throw the exception to the invoker of the constructor or simply catch the exception (and not throw it again)? I think we should not catch the exception (and not throw …

Hi everyone: I am running an java application in a windows xp toshiba computer. My application works fine in an windows 2000 compaq deskpro computer but in the toshiba one I get a strange exception. I think the problem is something with the parser and that makes the second error …

My knowledge of java is zero - I program in VB, however I have just got hold of a bluetooth mobile phone, and since it runs java apps it got me to thinking... In a nutshell I want to use the phone as a remote control for windows media player …

i want to name a item and give it a color(probs an int value) i was thinking of doing a 2d array but I need to send it to another class i create the item by Monster m = new Monster(this); any ideas

I am having some issues learning inheritance. I have stumbled across this example in my book but it has got me floundered. I am not expecting a resolution to this but maybe a little push in the right direction. I need to write an inheritance hierarchy for classes quadrilateral, trapezoid, …

Non of the java programs which used to run fine in my computer has stopped running. There are no errors in da programs as they still run fine in other computers. All programs gives the folllowing error "Exception in thread "main" java.lang.NoClassDefFoundError" I set my classpath and the path fine …

how to detect usb devices using java , need help to proceed with my project .

I'm working on a project that requires users logging on using windows authentication. How do I go about this. This application is JSP-Struts.i can able to get the user name by System.getProperty("user.name"); But i can i get the password.PLz help.Thanks in advance. with luv Rajesh G

Hi everyone, I am currently trying to print a multipage JTable but the the thing is on the left hand side of the JTable does not have any grid lines and i have tried to draw a rectangle around the jTable before printing it but nothing is happening. Another thing …

guyz.......total newbie to servlets stuff......... have got few java files and their corresponding class files.....don't know where to put those files in the tomcat directory structure............ i have put the html files in the root directory....... the html file is working but the file can't retrieve the servlet............guyz plz help …

i hear that java is supposed to be very secure and it has all these security features yadda yadda yadda, but my question is: if you can decompile the program modify its content and recompile it, then how can java be secure?!? I am asking this because I need to …

hi does anyone know what this mean? SWT.error(SWT.ERROR_NULL_ARGUMENT); is there another virsion of this to write?

I am starting to make some java games and I think i have sorted out the collision side of things ( i have made a space invaders game) so i know how to shoot and kill enemies. I am now wanting to stop players/monsters going through walls etc? p.s. what …

Hi everyone, I am currently trying to add values to an element spec array dynamically. This is what i am trying to do [code] SimpleAttributeSet start = new SimpleAttributeSet(); start.addAttribute(AbstractDocument.ElementNameAttribute, "start"); SimpleAttributeSet end = new SimpleAttributeSet(); end.addAttribute(AbstractDocument.ElementNameAttribute, "end"); DefaultStyledDocument.ElementSpec esStart1 = new DefaultStyledDocument.ElementSpec(start, DefaultStyledDocument.ElementSpec.StartTagType); DefaultStyledDocument.ElementSpec esStart2 = new DefaultStyledDocument.ElementSpec(start, DefaultStyledDocument.ElementSpec.StartTagType); …

Hi guys , i met with another problem and it goes like this I had a com application , i uses JIntegra to wrap the com object and now i have 8 java classes . Then i created my own java class , to create object of their classes in …

8.10 Sum of series Write a program to calculate and display the sum of the series: 1 - 1/2 + 1/3 - 1/4 + ... Until a term is reached that is less than 0.0001 I do not need help with the code! What comes next in the series? Is …

I am trying to use the stringtokenizer on input strings containing the " character, but stringtokenizer seems to treat that as the end of the string. For instance, "a cat is /"not/" a dog" should return the tokens a, cat, is, "not", a, dog but instead it returns a, cat, …

Hello Everyone, I recently have been getting into the python language and noticed that there is a portable python that you could save to something like a flash memory card and then you could write and run python programs on any computer without having to install anything. I am wondering …

[url="http://www.javaworld.com/javaworld/jw-05-2005/jw-0523-anniversary.html"]http://www.javaworld.com/javaworld/jw-05-2005/jw-0523-anniversary.html[/url] [url="http://java.sun.com/features/1998/05/birthday.html"]http://java.sun.com/features/1998/05/birthday.html[/url] [img]http://java.sun.com/features/1998/05/images/green.bbq.jpg[/img][indent][i][QUOTE] [/i][i][i][font=Arial][color=dimgray]This is a snapshot taken at a barbecue that James Gosling threw for some of the folks associated with the Green Team. From left to right they are: Al Frazier, Joe Palrang, Mike Sheridan, Ed Frank, Don Jackson, Faye Baxter, Patrick Naughton, Chris Warth, James Gosling, Bob …

Hello, I created a program from a book I am reading on java. The program is using swing to make a frame that shows buttons. It compiled without any error, but I ran into an error while trying to run the program. here is the code: [CODE] import javax.swing.*; public …

I am developing a J2ME application for Nokia 6630. In which I'm trying to play audio (.mp3 & .amr formats). I use " player.stop(); " to pause audio. But when I try to resume audio, Player strarts audio from beginning. import java.io.*; import javax.microedition.lcdui.*; import javax.microedition.media.*; import javax.microedition.media.control.*; import javax.microedition.media.PlayerListener.*; …

i need a code that allows me to take an array search it on another txt file and replace the new string with the string after the (,) and save the changes in a new file. how do i do that???? i have this: file1.txt sd00100 test on 24 ago …

hi guys , i have a query if some group of people are using the same java application and are connected via LAN . It is like in the java application , i want to expose other people ip address , so that i am able to send message via …

Hi, Well i am new to these forum as well as IT field.But i was looking for a right form to post up my add for help. I am an Aerospace student from scotland dont knwo much about IT. I have been assigend the IT Project from the university to …

I wanted to know that is it possible to change the background of a frame and put an tiled image as the background instead? If yes, then how??

Hi guys , i was wondering how could you create your own UDP ports in java ? To be more specific , its like i have a communication application in java which i can use it to interact between different computers in LAN . However this application usto transmit data …