The GIDForums™ Team is proud to announce that GIDForums™ is now among one of the very first Webmaster / Programming forums to offer a custom-written Java Syntax Highlighter BBCode (java] bb code) to it's valued members and readers. Please use the java] and /java] tag pair to enclose any java code...

This is an example of how the final output should read after compiled and ran: Please enter the number of students: 5 Please enter the total possible points: 354 Please enter each students points Points for Student 1 301 = 85% Points for Student 2 369 Sorry that is over the total possible, try...

Hi all, currently i am trying to use a java app to read from my usb to serial port on my PC. i research and found that Windows COM ports are not directly supported by Sun anymore. thus there is another package called rxtx. http://www.captain.at/howto-java-serial-port-javax-comm-rxtx.php i tried...

Hey All, So i have an assignment for university where i have to design a prison system, it all works fine except for my attempt to make my program all fancy by including an auto update for my prisoners and wardens. Heres the error netbeans is throwing at me... Now just before i show you the...

Okay, so I'm in my first Java programming class right now and I need some help on using Postscript commands (basically using Java to print Postscript commands to the console) and creating a pie chart using already configured data. For those who are interested, the .pdf for the assignment is...

I Have this program: It creates a federation that controls a series of tournaments, which are disputed and the points should go to the players according to their position in the tournament. I use an arraylist in which the players are positioned there based in the round of the tournament in which...

I am a java programming beginner working on a project that involves user define methods. I am trying to input a txt file into our program. but am struggling to accomplish this. My text file is called "baseball.txt" if that helps you give me assistance.

Hi, I am making a game that uses a thread to animate. When I repaint a large percentage of my CPU is taken up. I am assuming this has something to do with the large background image. Firstly, is it better to use an Image or Buffered Image for the background in this case, keeping in mind that there...

Is there a class in java that if given a certain word lets say COMPUTER will it generate a mixed up spelling of it say like MPTUREOC thanks

I know this is an easy answer but I'm having a brain fart. I just want to print a number and a percent sign in the code below example: Percentage grade for Exam #1: 67% System.out.println("Percentage grade for Exam #1:" + Math.round(((double) (((aStudent.getExam1().getPointsEarned()/ ((double...

Ok i can't figure this out and i've asked several people. How do you fill in a form on the internet. Like say you wanted to write a program that automatically logs you into youtube or something. Whats the command to make it fill in the blanks for username and password? Thanks

Hi, I have created a jar file using eclipse the source code of which actually uploads a certain file to a particular folder on the FTP server.The code executes from eclipse successfully but does not show any affect if the JAR file is clicked/executed. I tried to extract the JAR file and saw all...

I'm getting this error Exception in thread "main" java.lang.NegativeArraySizeException at ArrayChar.intersection(ArrayChar.java:223) at ArrayChar.main(ArrayChar.java:68) I bolded the area where the error occurs. import java.util.*;

Hi, I have a problem with my Java code.To begin with what my project is about : The aim of my project is to record desktop activities as video file and store in a location of path of our choice.Once that is done I use rar.exe to compress my video file using Runtime.getRuntime().exec(). The...

hello iam trying to draw rectagle shapes through paint method and adding these to JScrollPane.what i need is based on the selection of checkbox the rectangles should be displayed.but when i select both checkboxes, iam getting only the second rectangle on my JScrollPane ,even iam calling validate...

I'm a complete beginner in Java and Im trying to figure out what kind of code to use to to print out a line at the end of the program and where to put it at exactly to get the classes average and letter grade. this is what i have so far.. public class groupGrade { // when used, the name of the...

I need some help on this. At a certain point when I play my game, I get the Exception in thread "main" java.lang.NullPointerException at breakthecode.main(breakthecode.java:172) > Terminated with exit code 0. Can someone tell me why I'm getting this and how I can fix it? It's bolded...

Thank you for your help. We were able to figure out a method that works and follows our guidelines. I now have to create a chess senario with 1 queen and 1 pawn using 2 dimensional arrays and number generating. I don't want u to code it for me, but i was wondering if you could explain how to...

I'm writing a simple text indenter for an assignment. The point of it is to enter in command line arguments that will provide an input file, output file, max characters per line and amount of spaced to indent by. It's pretty simple in the sense that it just adds spaces to the left of the line,...

I am a beginner in computer programing using java. I was given a project in my college level class to create a program to convert Octal numbers to decimal numbers and decimal numbers to octal numbers. I have specific guidelines that i have to follow but the only thing that i can not figure out is...

how do you convert string to integer?