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Ok so here is what I have and I am stuck. It is not recognizing whether a number is even or odd. So where do I need to put the remainder operator so that it will recognize if a number is even or odd? import javax.swing.JOptionPane; // program uses JOptionPane …

I am new to programming, so please accept my apologies if this question is simple. I have a class (say called Student). I want to store the name of the student (name) and the course (course) I have declared some variables in my Student class: [code] private String name = …

[B]Can anyone help me. I have been bangin my head on this one for two days. variable number may not have been initialized. code to enter single digit number and return largest of ten. code is as follows.[/B] [code] // Java packages import javax.swing.JOptionPane; public class Counter { // main …

Hello everyone, Please look at the following code block, [code] public void Foo() { synchronized (lock) { //do task 1 try { lock.wait(); } catch (InterruptedException e) { // TODO Auto-generated catch lock e.printStackTrace(); } //do task 2 } } [/code] Suppose multiple threads have entered the synchronized block one …

In the context of multithreading. Tks

I have a string that looks for example like this: "aabbccddeeffgg" I want to retreive the "ee" or the "cc" value from that string. How can I do that ? The tokenizer is not what I am looking for. I'm looking for the function that allows you to specify that …

Hello everyone, When running the following block of source codes (the MMAPI library I am using is downloaded from [url]http://www.sun.com/software/communitysource/j2me/mmapi/[/url]) [Code] public static void main(String[] args) { try { Player player = Manager.createPlayer"http://localhost/sample.wav"); player.start(); } catch (MediaException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } [/Code] java.lang.UnsatisfiedLinkError …

hi my project involves ping multiple comps simultaneously to do that i am storing results of each comp in its designated text file for that at startup i have to clear its contents i want to know how to do that in java???????

Hi everyone, I have a rather silly question but please bear with me for a while. If lets say i have a string which has the contents [code] "C:\\p\\kol\\pki.txt" [/code] the thing with the above string is that if i use as an argument in a fileinputstream it will only …

This is the error message I am getting and the driver and class is below it. Thank You if you can help me :) C:\My Documents\CS151\CircleSolutionDriver.java:18: cannot resolve symbol symbol : constructor Circle () location: class Circle Circle circle = new Circle(); ^ 1 error Tool completed with exit code …

Here is a good tutorial link: [url]http://www.javaworld.com/javaworld/jw-05-2002/jw-0503-java101_p.html[/url] As a matter of fact: [url]http://www.javaworld.com/[/url] Has some excellent articals.

I am new to programming and I am trying to learn, I got a book and it has some problems in it, Here is one of the problems that I would like some help with if anyone could help me through it of if you have any code that is …

Is there any good vb to java convertor available ?? or should it be java to vb convertor ?

hi there good evevning >>>>> :lol: :lol: i hope all of u is good ..... sorry but i know i am new but i face aproblem with array i don't know how to solve problem with array >>>>> i have problem that said enter name of 15 studemt and there …

Afsah Shafqat is the 14 year old girl who made the entire nation proud by breaking so many records in the field of IT, doing professional IT courses at a very young age. Afsah, in 10th grade, has been called the "Princess of Operation Badar." [img]http://img18.exs.cx/img18/289/u3qj2ee.gif[/img] She recently passed her …

might be main or another method // dont know yet int[] num1 = new int[intA]; int[] num2 = new int[intB]; public static void cal(what do i put here) blah blah and class Homework7v2 { int a=0; // i need to use this int all the way through and // it …

Im writing an encription program and it keeps saying their are 2 missing return statements :cry: , any ideas? public class EncryptedMessage { public static final int NO_OF_LETTERS = 26; //a-z incl public static final int NO_OF_NUMBERS = 10; //0-9 incl public static final int NO_OF_CHARACTERS = NO_OF_LETTERS + NO_OF_NUMBERS; …

How can I write a program that will read as input two strings and display the word true if the strings are the same and false otherwise. In this activity, two strings are the same if they contain exactly the same characters in the same order (i.e. 'A' and 'a' …

I'm writing a program that generates 5 cards, and I need it to tell me what type of poker hand it is. I really need help with this as soon as possible, so any suggestions that you could give me would be appreciated SO SO SO SO SO much. I …

Ando comenzando en la programacion en Java, ¿Alguien sabe por donde puedo comenzar? O podrian mas omenso intruirme acerca de las classes de java teoricamente hablando :rolleyes:

heres the start public class work { public static void main (String [] args) { int number = 1; } public static boolean ifstate() { if ( number == 0 ) blah blah } question - how do I get the second method to call on the varible from the …

How can i move between different methods with the same class. When i programmed in VB, it was just the name of the subroutine, but i cant figure it out in java. Please put me out of my misery

I get this when I try to load my program, yet the compiler says its fine. Please help! Exception in thread "main" java.lang.NoClassDefFoundError: PIStudy$DoPolyINTest at PIStudy.<init>(PIStudy.java:51) at PIStudy.main(PIStudy.java:121) [CODE] import javax.swing.*; import java.util.Random; import java.awt.*; import java.awt.event.*; public class PIStudy { public JFrame window; public JButton name; public JButton comb; …

//.... int vals[] = new int [12]; vals[18] = 10; catch (ArrayIndexOutofBoundsException) { //handle error ... }

Hi, I'm in URGENT need of anyone who can help me with the following TicTacToe code. When you run it, it lets you click a box. When you click a box, X appears. The, when it's O's player's turn, it will not print an O. [CODE] import javax.swing.*; import java.awt.*; …

public class XClass { private int u; private double w; Public XClass () { } Public XClass ( int a, double b) Public void func() { } public void print() { } } XClass x = new XClass (10, 20.75); Q1. How many members does class XClass have? Q2. How …

Hi, I am working on a project using Java and embedded SQL in the Java. I have gotten the SQL to successful do what I need it to (In this case, create tables and insert data into them). However, I am having a difficult time with IO. The goal is …

I'm having a problem whereby I create an instance of a class called Calculations.class in one of my main classes, but cannot access that instance from any other class. Here is the code public class Parameters{ //code// Calculations calc = new Calculations(); //some calculations done using variables in the calculations …

I keep getting a null pointer exception with this code: It's suppose to load a text file into a textArea. [Code] JFileChooser chooser = new JFileChooser(); int returnVal = chooser.showOpenDialog(this); String getFile = chooser.getName(); if(returnVal == JFileChooser.APPROVE_OPTION) { try { FileReader filegetter = new FileReader(getFile); BufferedReader br = new BufferedReader(filegetter); …

I'm having a bit of trouble working out what sort of loop to use in a program I'm writing. Basically, I have a file with 2 lists of numbers separated by ";" e.g. Name ;Magnitude 2713.0;21.546 2713.0;19.564 2713.0;20.102 2713.0;20.959 2714.0;22.031 2714.0;18.46825 2714.0;15.323 2715.0;22.808 2715.0;19.345 2715.0;21.357 2716.0;21.473 on so on up …