36,051 Topics
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| | Hello all! I want to ask you , how to pass variable, there's the example: I have variable String X in pageone.jsp then i open a new tab page to pagetwo.jsp (using JavaScript window.open) , Is it possible to use the variable X (from pageone.jsp) in pagetwo.jsp ? Please Explain, …  |
| | Hi All; Im just making a simple Desktop app. Ive got a need so that the user could be able to add data to the table dynamically. Ive done implementing the table and also code for adding rows. Issue is after i add the row it is not displayng in … |
| | hello all I use notepad++ to create my code I use dos command to javac the code some times when there is error in my code the the dos console shows many lines of error message my question is : if the error lines's message is 100 lines or more … |
| | hi every one I have a exercise when i going to use boolean. Im need to do 3 intergervaribals var1 var2 var3 and then i get same claim im going to get in to it like one of it is: The number var1 is evenly divisible by 7. i figuer …  |
| | I was using Struts 2 as web framework and eclipse EE as my IDE. I can run my jsp/servlet application just like the way i wanted it to be but everytime i start the tomcat ver 6 server, an INFO log always appear except that its asking for log4j. here … |
| | I have a Sudoku puzzle and I need to make sure that each row and column have each number 1 through 9. What is the easiest way of doing this? The code snippet that I have so far is below. public static boolean rowsAreValid(int[][] array){ for(int i = 0; i … |
| | hi i am trying to make a hangman game and what ineed to do is when there is wrong answer to put pic of part of the hangman but dont no how to do it, here is my code thanks [CODE]int charPos = +1; String letter = ALetter.getText(); charPos = …  |
| | Hi everyone, Is there a way to read the text in a pdf file like reading notepad? And after that, I should be able to use it, for example, in a text area or show it to my users without using another program such as adobe reader. That's really important … |
| | Hi people, How can I put a JRadioButton wherever I want in a JPanel? I tried setLocation() but it did not change anything. It is still on the north-center part of the panel. I think I'm missing something, but I can't figure it out. Thank you in advance. |
| | I am doing my project in datamining area.Please help me with the code for clustering a set of attributes in database.  |
 | So I'm trying to print the first six generations of the Game Of Life in a 7x7 array. I only have the code for one generation, but I can fix that later. I made the array types integers. What I need help with is getting the correct code for all …  |
| | Hello forum, Vaironl here. I already asked this question with no luck. So now I will to repost it without the code. I have a JPanel which contains labelsand JTextField + other components. When I minize the window and then restore it The components stay in place but the are … |
| | how can i implement a function ex: 'add item' without using oop ?!  |
| | [CODE]import java.util.Scanner; class wloop { public static void main(String[] args) { int counter=2; int sum=0; while( counter<=200 ) { sum = sum+counter ; counter = counter+2; } System.out.println("The sum of integers from 2 to 200 is: " +sum); } }[/CODE] [CODE]import java.util.Scanner; class wloop { public static void main(String[] args) … |
| | How to start a servlet automatically when index.jsp starts. To put it simple, here is the index.jsp file. [CODE]<%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <title>JSP Test</title> </head> <body> I want to put something here, so a servlet automatically starts without doing anything. </body> </html> [/CODE] |
| | I am making a program in jsp servlet. There are three tables in database: category , subcategory and items. Their structure is like this :: category 'A' --> subcategory '1' ===> item 'i' ===> item 'ii' ===> item 'iii' --> subcategory '2' ===> item 'iv' category 'B' --> subcategory '3' … |
| | Can anyone tell me y is it that taxDeduc won't return the value? [CODE] import java.util.Scanner; public class PayollComputation { public static void main(String[] args) throws Exception{ Scanner get = new Scanner(System.in); //variable declaration int ctr, loc = -1, payrollPeriod, daysAbsent, minsLate, oTHours; int tempENo = 0; char ans, ans2; … |
| | Hello everyone or anyone! Could some please assist me on how to read a text file like this: ProgrammingAssignment1Data.txt 123 South Market Street Downtown 101 Package 0 1599 Burbank Road Cinema 10 Movie posters in tubes 1 1 order slip format is: Pick up address Drop off address item description … |
| | Hey I need help making a isEqual method in my singly linked class. The goal is to prove that both list have the same elements without necessarily having the same order. Now my method does call a different method in the node class, and it's job is to to search … |
| | Hello! I'm writing a very simple program to get used to using GUIs, and I'm having a bit of trouble. We're supposed to be writing a program that just creates a window and after the user puts in a number, it calculates the square root and the square of the … |
| | hi i cant get this to print out my result i get red lines underneath [CODE] operators1.setVal1(12); // sets val1 to 12 operators2.setVal2(45); // sets val2 to 45 operators2.setVal3(94); // sets val3 to 94 operators2.Calculations1(); // Calculations method being called for equation 1 operators2.Calculations2(); // calculations method being called for …  |
| | public static void main(String[] args) { World earth = new World(); Turtle t1 = new Turtle(earth); t1.penUp(); t1.moveTo(50,50); t1.penDown(); t1.setPenWidth(5); t1.drawLetterN(5.0); t1.penUp(); t1.moveTo(500,400); t1.penDown(); t1.setPenWidth(3); t1.drawLetterN(2.0); t1.penUp(); t1.moveTo(330,50); t1.penDown(); t1.setPenWidth(15); t1.drawLetterN(15.0); t1.penUp(); t1.moveTo(250,240); t1.penDown(); t1.setPenWidth(8); t1.drawLetterN(7.0); t1.penUp(); t1.moveTo(10,350); t1.penDown(); t1.setPenWidth(10); t1.drawLetterN(10.0); } public void drawLetterN (double scale) { System.out.println("drawLetterN was … |
| | :C my fresh install Netbeans 7.0 won't open and it says "JVM creation failed" can anyone pls tell me what's wrong? >.< |
| | Basically, i've been told to initialise a grid into the "canvas" section of this program i've made, I need to make a fine grid that stretches across the whole canvas horizontally and vertically, 10 x 10 pixels apart example of the code i'm editing to do this below... [CODE] class … |
| | Hello, The following program displays the text area for the entire JFrame even though I have set the dimensions of the text area to be 10 x 15. Any help will be greatly appreciated. Thank you! [CODE]import javax.swing.*; import java.awt.*; public class Scrollers extends JFrame { JTextArea area; JButton button; … |
| | hi guys, i am doing a game where i have to detect whether my sprite collides with the wall horizontally or vertically, so in that case reverse the velocity of x or the velocity in y or both in some cases. what i have done is that with an array … |
 | hello ! i have experience in VB.net,C# and MSSQL2000,2005,2008r2 .but today my boss assign me a task to connect mssql server 2008 by using JS or JSON ,both are unknown for me ,:( i dont have any knowledge about JSON and JS , can any one help me how to …  |
| | Do you have to be like a master programmer in a certain language to land a job in this field?  |
| | Hi, I currently have a legacy application wrote in java and am trying to develop a new updated version of the application. The application relies on inputs from encrypted text files, the only thing is i dont know the type of encryption used in the old application. Is there any … |
| | Hi, So im trying to create a deposit method, but to no success. Can someone pls help me ?? This is my code for far: [CODE]static void depositCurrent (ArrayList<Current> CurrentListIn) { System.out.println ("Enter account number you want to deposit money into"); String accountNumber = EasyScanner.nextString(); boolean flag = false; double … |
| | Hi, I was wondering, is their any way to draw/add a JFrame inside a JApplet. I have this JFrame that needs to be in Applet form, and I don't know how to go about doing it. Completely re-writing it is out of the question (5 or so classes). I didn't … |
| | My problem here is that I am trying to get the getBigJackpot() to correctly woork. If I were to win say 10 coins, it would store in an int, but if I were to win 5 coins, that 10 would stay and disregard the 5 coins won. If I were … |
| | Our class assignment is to add, subtract, multiply, and divide two huge ints i'm currently working on my multiply function and my multiply isn't working and i cannot pin point the problem. When i input 3*3 it inputs 9 but when you input 4*4 it outputs 6 (the carryover function … |
| | Hello, i want to send images over socket .I had two methods one for converting the images to byteArray "convertImageToByteArray()" and another for converting byteArray to image "convertByteArrayToImage(byte[ ] b)" and i am trying to send bytes through socket and receving it , how can i do so please help.....  |
| | i am trying to use a picture for the background of my blackberry app instead of the default white background how can i do this? any code snippets would be greatly appreciated Thanks |
| | Hi i am a new developer i am just trying to create a simple app and put it on my phone. i have created a hello world one and successfully put that on my phone, i am now trying to create one where you click on a button and it … |
| | I have to make a program that outputs something similar to the appearance of a phone. With intractable buttons, (0 - 9) a T button that outputs "Calling" and an E button that outputs "End-Call" Now i have that much done [CODE]import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Dimension; import java.awt.Color; import … |
| | Develop a program to keep track on the library books inventory system for the library administrator. Your program should allow the admin to add and edit books’ details such is ISBN, title, author, publisher, date of publication, etc. The admin staff can create accounts for library user to perform functions … |
| | I know that .bat isnt java, but I dont know were else to place this thread So ive finished my program, has sounds, images and other junk all in a folder on my desktop. as soon as you open the folder you can see the file program.java and also folders … |
| | i want to know about performance measurement tool in java means tools which measure the time statistics ,memory statistics etc of a program which coded in java? |
| | [CODE]import java.io.*; import java.util.*; import java.lang.*; class Login extends Thread { public void run() { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); Scanner s=new Scanner(System.in); while(true) { System.out.println("Enter username:"); String h=br.readLine(); System.out.println("Enter password:"); String d=s.nextLine(); } } } class Display extends Thread { public void run() { while(true) { System.out.println("ur username is:"+" "+h); … |
| | Hello all: Has anyone tried one jar and received an error that the main class will not Load? I used "ONE JAR" and created the executable and I altered the build file. response from simon: Main-Class: com\simontuffs\onejar.Boot One-Jar-Main-Class: musicSystems.src.view.Main [quote] "Main-Class" is the "standard" Java JAR main class launcher, used … |
| | this is the code that i did: [CODE]import javax.swing.JOptionPane; public class MidtermExam { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub int x; int y; int z; int count = Integer.parseInt(JOptionPane.showInputDialog(null,"Enter any Number:")); for(x=1;x<=count;x++){ for(y=x;y<=count;y++){ System.out.print(x+""); } System.out.println(); } } } [/CODE] … |
| | hello i trying to learn how to type in for exampel 5 and its going to type out 5 4 3 2 1 0 [CODE]import java.util.Scanner; class indexerad_variable { public static void main( String args[] ) { int i= 0; while (i<= 100){ System.out.println("your number: "); System.out.println((100-i)); i++; } } … |
| | Hello, I have a problem with the logout functionality on my web application . it is a simple application that uses DatabaseServerLoginModule to login and uses invalidate() in the application and [code=xml]flushOnSessionInvalidation="true"[/code] in jboss-web.xml. also each page in the jsp has [code=JSP]<%@ page session="false"%>[/code] on the very top and the … |
| | My assignment is to create a program that accepts a list of exam scores (ranges from 0-100) and output the total number of grades and then the number of each in letter grade.. but my problem in the beginning of doing my program is: [CODE]public class Grades { /** * … |
| | Please help!!! What would be the algorithm form of the following program:- [code]import java.util.*; public class quizcontest { Scanner sc=new Scanner(System.in); String name; int ans1,ans2,ans3,ans4,ans5; //declaring variable// void acceptname() {System.out.println("****************************"); System.out.println("|||||-----Please Enter Your Name-----|||||"); name=sc.next(); System.out.println("****************************"); System.out.println("+++++Best Of Luck ! "+name+" +++++"); } void sports() { System.out.println("Here Starts Our Quiz … |
| | hiya i need to create these if statements please can someone show me how to create them i have attached an image alongside this thank you so far i have this public class Logic2 { int Val1, Val2, Val3, Result1, Result2; // creating 1,2,3 integers public void Calculations (int Val1,int …  |
| | How do we write something to square these calculations Result1 = Val3-Val1sqaured; Result2 = Val3-Val2; i need to square these calculation how would i do it so it meant to look like Result1= Val3-Val1sqaured; i cant get the squared bit thank you |
 | Okay, so I think it will be easier to show you then explain. I am making Minesweeper, I have 100 toggle buttons, I have a randomizer to place 10 bombs. [CODE] ArrayList<Integer> bomb = new ArrayList<Integer>(); Random rand = new Random(100); for (int i = 0; i < 10; i++) … |
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