35,618 Topics
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| | I have a Hash Table like, HashTable ht = { (1, 1), (2, 1), (3, 1) } Now, I implement it like, Integer foo = Integer(1) and declare hash table like, HashTable ht = { (foo, foo), (2, foo), (3, foo) } Now, as per I understood from [URL="http://www.kdgregory.com/index.php?page=java.refobj"]this[/URL], it …  |
| | How to convert these inputs as regular natural numbers 1) 0x000F 2) 0x2222 and similar inputs likes this. Guys i want the coding part and also the simple manual regular calculation part too. Thnks in advance. |
| | Hi guys I have a loop that increases my setsize to 1100 which works fine. My question is is it possiable for when I click my button the loop executes then if I click the button again it does not execute the loop and carry's on with the rest of …  |
| | Do anyone could tell me how to display the date from the sql to a jtable? |
 | hi guys, first time posting here. so i have this menu for a game i am making and the image that i have for the menu background has text and things already loaded onto it. what would be the best way to have the text clickable? would it be to … |
| | [B]Hi Guys What I am trying to do is this. String[] array1 = {"off","off","meeting"}; String [] array2 = {"off","off,"off"}; String[] array3 = {"meeting","off","off"}; I want to make an 4th array which will give me "off" at the position where all are off, otherwise it say "bz" at that position. FOR … |
| | Hi guys what I want to do is set a new setSize which I can do but it just appears. Therefore what I want is for the setSize to move over time instead of just flicker and appear. Any help would be appriciated: [CODE] if (e.getSource() == set) { setSize(1000,1000); … |
| | I have a couple of questions about a school project I'm working on. The code is as follows. [code]public class Player { private PlayList playList; private Track track; /** * Constructor ... */ public Player() { playList = new PlayList("audio"); track = playList.getTrack(0); } /** * Return the track collection … |
| | I am using two ResultSet in a single statement..this code is a part of servlet.. [CODE] String temp=request.getParameter("cid"); int cid= Integer.parseInt(temp); Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection con = DriverManager.getConnection("jdbc:odbc:Mydatasource"); PreparedStatement ps = con.prepareStatement("select * from Products where cid=?"); ps.setInt(1, cid); ResultSet rs = ps.executeQuery(); while(rs.next()) { out.println("<a href = 's_BikeServlet?pid="+ rs.getInt(1) + "'>" … |
| | Below is an address book program I am working on. The way it stands now, when the data is entered and writes to a text file it writes the line of data like, John Doe 1234 Help Me Avenue Dallas Texas 98956 Johnathan Doe 2345 Derby Lane Omaha Nebraska 45678 … |
 | Ok, so I am making a game and the music changes when you are in different regions or if there is an interruption, like with an AI. So I have JUST learned how to make music showup in my program, and now I am trying to make it stop, but …  |
| | i want applet connect to another machine but the socket cannot connect to the server i searched the web and there is something about giving permissions to the applet but i donnot know how to do so |
| | Hey guys, I need help finding out what is wrong with my code, I have no errors, but it is not doing what I want it to. I need my code to print a bar code when a user inputs a zip code. My program does not get to the … |
| | Hi everybody, In my little programm, that prompts user to choose txt file, and then displays how many each particular token in the file. I have a little issue with organising the ouput. I think I do something wrong with String.Format, can you please help me: I attached my ouput. … |
| | Hi. I wrote this program claculator java rmi.but not implemented. you can help me? [CODE]import java.rmi.Remote; import java.rmi.RemoteException; public interface calculator extends Remote { public long add(long a, long b) throws RemoteException; public long sub(long a, long b) throws RemoteException; public long mul(long a, long b) throws RemoteException; public long … |
| | Hi guys>.< I'm trying to make a program that suppose to output like this: [QUOTE]Enter a String: [COLOR="red"]1231asd[/COLOR] No. of Digit: [COLOR="red"]4[/COLOR] End the Program? [COLOR="red"]y[/COLOR] [/QUOTE] *the [COLOR="red"]red[/COLOR] part is the input from the user. but the problem is, the no. of digits only display 0 and not the … |
| | package com.batch; import java.sql.*; import java.text.SimpleDateFormat; import java.util.ArrayList; import DBConnection.DBConnect; public class Batch { @SuppressWarnings({ "unchecked", "rawtypes" }) public ArrayList BatchAction(String ik) { Connection conn = null; Statement st = null; ResultSet rs; ResultSet rs1; ArrayList al = new ArrayList(); conn = DBConnect.getConnection(); final SimpleDateFormat monthDayYearformatter = new SimpleDateFormat( "dd … |
| | Hey everyone I have created an application interface using Java swing on a mac, which looks exactly how I want it. However on windows and Linux the positioning of the components and what seems to be the dimensions look of place. I have tried to make the sizes of everything … |
| | [CODE] import java.io.*; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.lang.*; import java.util.LinkedList; import java.util.List; /** * * @author Animesh Pandey */ public class Main { public static int [][] sort( int a[][]){ int i, j, t = 0, t1 = 0, t2 = 0 ; for(i = 0; i < a.length; … |
| | Hello, I'm doing a simple J2EE application that will interact with a database like Oracle and you know that a database can have multiple oracle schemas and that is the problem (because I do not know how to configure hibernat with multiple schemas :( because my application can handle multiple … |
| | Below is an address book program I am working on. The way it stands now, when the data is entered and writes to a text file it writes the line of data like, John Doe 1234 Help Me Avenue Dallas Texas 98956 Johnathan Doe 2345 Derby Lane Omaha Nebraska 45678 … |
| | Can anyone tell me which book i have to preferred for java servlets.If any one has program with him then please post them. |
| | costPerItem, itemQuantity, and productName keep getting the error "cannot find symbol" [CODE]package shoppingcart; import java.text.DecimalFormat; public class ShoppingCart { private double totalCost; private LineItem[] myItems; private int max = 100; int numberOfItems; //Provide a constructor for this class public ShoppingCart(int size){ max = size; this.totalCost = 0; myItems = new … |
| | I can't upload file with form data. I am getting null value when accessing Request.getParameter("name"); how can i upload file as well as form data please help  |
| | /** A programme which converts weight from pounds to kilograms and the height from inches to centimeters, then it calculates body mass index. @author */ import java.util.Scanner; public class BodyMassIndex { public static void main(String[] args) { Scanner BMI = new Scanner(System.in); System.out.println(BMI.nextLine()); double p, k, c, i, bmi; Scanner … |
| | Hi Guys i do not know how to create Array of object could you help me plese? |
| | Hi everybody I have a little question. I am using JFileChooser to open file and then process it.But the thing is its only works for txt file. What are the other ways to open all ither text files. Plus if would be really helpful if you would tell me how … |
| | Hey Everyone, I'm new to JCreator and trying to compile this program, however I keep getting "missing return statement"...please help. import javax.swing.JOptionPane; public class DoCount { public static void main(String[] args) { String nString=JOptionPane.showInputDialog("Enter n:"); int n = Integer.parseInt(nString); factorial(n); } public static int factorial(int n){ int count = n; … |
| | Hi, I am trying to create a binary tree from a string read from a file. The string contains information that tells which is the new left and right nodes, and the node which new these nodes are to be added (assuming there is a root node in the tree … |
| | Hello everybody, I am new to Java, I am creating a simple application that will insert into my database, but what I really want is, I have a class called product which contains the jTextfields of the product description and product qty and a button called test, and I also … |
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