32,199 Topics
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| | I heard if i dont have 3 yrs experience in java i wont be able to get a job easily. Does DotNet have more market value than Java ??? What I've heard is that java is in more demand and also it is less frustrating than DotNet. Please clear me …  |
| | In the following example: [code] public class JavaExample { public static void main(String[] args) { system.out.println(args[0]); } }[/code] when no parameter is passed Exception given is java.lang.ArrayIndexOutOfBoundExpection So my Question is that Why is that Exception is thrown , why not NullPointerException. (I know when both expection thrown) But in … |
| | Hi all, I am attempting to connect to a MS SQL Server Express Edition with Advanced Services (MS SQL10) on a remote Windows NT 5.2 machine on the LAN. My driver is [B]net.sourceforge.jtds.jdbc.Driver[/B] My url for the connection string is [B]jdbc:jtds:sqlserver://127.68.0.201:1433/LOD[/B] My user is [B]d[/B], password is [B]d[/B]. Now, when … |
| | how to execute a java program when we try to delete it....????  |
| | I am creating a java program that will take 10 user input grades from 1-100 and display them as a letter grade, then calculate the percent of how many letter grades there are in total. The last step is to figure out how to get each letter grade, lets say … |
| | Hi, I am working on a calculator using Java Swing, and have it done, but I was wondering how you would make it so, say when a certain keyboard button is pressed, that number will appear in the text box. Currently, it works so when you press said JButton, that …  |
| | Dear sirs, I would just like to ask a quick question: What control would i use for creating a paint-like program but with layered features? It was a choice between GlassPane (but am not to sure how to use it despite the fact i have been up all night researching … |
| | How to isolate digits in a long variable for JAVA? long 122343434434 how to isolate the 2nd number?  |
| | I need to write a code to find greatest common factor of two numbers but I have no idea how? any help? please. |
 | where does eclipse get installed, i know ive choose the folder for the workspace, but not the IDE in its whole. why? im on win32 and i need to drag a shortcut on my desktop thx Fund it, nevermind, it's the uncompress folder and it doesn't install itself. DarkMonarch |
| | My problem is that the image is not showing on my java. here is my code MyGame.java [CODE]package mygame; import javax.swing.*; import java.awt.*; import java.awt.event.*; public class MyGame extends JFrame { Container c; Player p; MyGame() { this.setTitle("My Game"); this.setSize(600, 400); this.setLocation(100, 100); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); c = this.getContentPane(); p = new … |
| | Is anybody familiar with using ObjectEditor in Eclipse? I am working on a program and I need serious help. |
| | So I need help on how to calculate how much change to give back to a customer. I need the program to give change in the least bills and coins as possible. Ex. Customer's item costs $13.37. He/She pays $20. Program gives back: One $5 Bill One $1 Bill Two … |
| | Hello! I have a swing app with lots of components and stuff. I want to place a Container/Jpanel on top of everyting else that is invisible that contains other component which are visible. I can make the panel invisible or not opaque and still show its child component but I … |
| | Hey guys basically I'm studying programming using the 'BlueJ' Java program on windows. I'm trying to create a 'Dynamic Billboard' program that asks a user to enter a 5 letter word than the characters are displayed on a billboard, the program uses a text file imported for the charcters). Ive … |
| | I'm having trouble debugging one of my methods. The class Student inherits a class called Person and the methods are called in the main program, TestStudent. I'm trying to create a method that lets the user sort an array of grade averages in ascending order but whenever I try, I … |
| | i 've got a steganography project in java.......in that we can hide text within pictures and videos......but the major disadvantage is that the hidden data is been destroyed when the image or the video is further modifies with the hidden data............is it possible to do a steganography project in java … |
| | Hopefully someone can help me...I'm a student taking my first Java class. We are working on classes (building them). For this assignment the teacher gave us a test program that we have to build a class for to computer some basical mortgage calculations. Below is the class I built that …  |
| | Hi all, For my java class I need to make the game of life. So far I have 2 main classes that drive the program (ignoring GUI class for now.) My main classes: Cell(x, y) - where x = the x coordinate and y = the y coordinate of the … |
| | Hello I'm having major issues, please help me with this code; (Generating random characters) Use the methods in RandomCharacter to print one hundred uppercase letters and then one hundred single digits, and print ten per line. Use these methods: public static char getRandomUppercaseLetter(){ return getRandomCharacter('A', 'Z'); } public static char … |
| | I'm having trouble sorting names in alphabetical order using counting sort, forinstance Gregory John, Alex Smith, Adam Richard, Alex Ryan Output hould be in this order Adam Richard Alex Ryan Alex Smith Gregory John My code so far [code] import java.util.ArrayList; import java.util.Scanner; public class Names { //private static int[] … |
| | Hi.. I have downloaded a code to add JRadioBuotton to JTable, modified it.Please see the code..What i wanted was to have blank cell...i was getting a NullPointerException for this so i tried adding a JTextBox for instead. When I click on only radiobuttons the code works fine.. if i click … |
| | [CODE]public GuiPrototypeScreen1() { GuiPrototypeScreen1Layout customLayout = new GuiPrototypeScreen1Layout(); Object[] possibleValues = { "Search", "Contribute" }; Object selectedValue = JOptionPane.showInputDialog(null, "Do you want to ", "Welcome", JOptionPane.INFORMATION_MESSAGE, null, possibleValues, possibleValues[0]);[/CODE] Hey guys i need help because i am completly stuck. All i want is when a string is selected to redirect … |
 | The output is obtained from a JPasswordField and placed into a text. But whenever I enter a new input on the field, it just shows the recent one I've entered... Ex: I enter "test1" as a password. When I enter a new one, say "test2", it only shows "test2" in … |
| | hay this is samar here actually i have to get values from tha my sql foe a perticular string which i pass through a xt box i think i'm not able to pass the vehicle no. to the querry this is my cade pls help [code]package p2c; import java.awt.Container; import … |
| | I am a first time user to Java and I am stuck and cant figure out what to do.. Please help. My code is [code] import java.util.Scanner; public class rshomework2 { public static void main ( String[] args) { Scanner input = new Scanner(System.in); sales; final double base = 800; … |
| | Hello forum, Vaironl here. I have to do an assignment for school and I was about 3 hours designing the prototype and everything was going right but I had to add arrays and a for loop to my system and after that everything just got ugly. Therefore I started from … |
 | I wrote a bit of code at school using a copy of Net Beans that they have installed on the computers in the lab at my school. I saved my file to my thumb drive as Lab2.Java. When I got home I opened my copy of Net Beans 7.0.1 and … |
| | Hi, I haven't seriously written Java code in over 5 years. I am looking to find good online resources to help me refresh in a few weeks. Thanks! Marquita |
| | alright iam working on this code and it is driving me nuts someone please help me alright here is my code :[CODE]import java.util.Scanner; public class TestScoreApp { public static void main(String[] args) { // display operational messages System.out.println("Please enter test scores that range from 0 to 100."); System.out.println("To end the … |
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