35,618 Topics
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| | Hi, We are developing a software in j2ee/jboss appserver. I have designed a login page the source code of which is given below, loginpage.jsp <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>index of third eye</title> <link rel="stylesheet" href="stylepage.css"> <meta http-equiv="Content-Type" content="text/html; …  |
| | Given a UML diagram of: Oval ------- ------- +draw (g:Graphics, x:int, y:int) +toString(): String I have currently [CODE]import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Oval extends Shape { public Oval (Color color, boolean isFilled, int width) { super (color, isFilled, width); } public void draw (Graphics g, int x, …  |
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| | so heres my code [CODE] import java.awt.*; import java.text.*; import java.util.*; import java.util.List; // Explicit import required import javax.swing.*; public class Sort { public static void main(String args[]) { Runnable runner = new Runnable() { public void run() { String words[] = {"Sean", "Beth", "Ryan", "Bree", "Jim", "Bob"}; List list … |
| | [I]This exercise will explore the queue and stack data structure implemented with linked lists. The Koch snowflake can be implemented without recursion by using a queue or a stack. Assume that L is either a queue or a stack, L.add( seg ) adds a segment, and L.remove() removes the segment. … |
| | Hi everyone... i am currently doing a java system concerning file transfers between server and client... file transfer starts from the server.. So far, i have done one file transfer. However, i would like to program my code in such a way that the client actively still listens to the … |
| | Hello! I have two Hashmaps: [CODE]POINTS (String/int) Player A: 0 Player B: 3 Player C: 5 Player D: 2 Player E: 5 Player F: 3[/CODE] [CODE]TIME (sec) (String/int) Player A: 0 Player B: 15 Player C: 9 Player D: 8 Player E: 12 Player F: 15[/CODE] The progrom should first … |
| | good evening everyone, uhmm can someone here please help me how to get the internet history of a browser(gchrome, ffox, ie) using java.... thank you! ;)  |
| | OK, i'm working on a hangman game in cmd prompt. I'm about halfway done, but i have hit a wall regarding the secret word, and the user guess. Now mind you, my professor has not taught the class any array manipulation methods or techniques for finding specific char in an … |
 | Hi, I've got an error message on "public static void save_data" and "public static void retrieve_data". Please help, thanks [CODE] import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; public class face1 extends JFrame implements ActionListener { JPanel pm,menup,fp,f1p,f2p,f3p,f4p,f5p,pf_1,pf_2,pf_3,pf_4,pf_5; static String f1[] = new String[2]; static String f2[] = new String[2]; … |
| | Hello, I havr created a program in which there are two classes. One ship, and shooter. However it is not working. Any idea? [CODE] package shooter; import java.awt.Color; import java.awt.Graphics; import java.awt.Rectangle; import java.awt.event.KeyEvent; public class Ship implements Runnable { int x, y, xDirection; boolean shoot = false; boolean ready … |
| | Hi @all! I have a array with three numbers: num[0] = 5 num[1] = 2 num[2] = 5 I need to find out which of these numbers are the largest ones, it could be one, two or all of them, and need the index. Here for example "0 and 2". … |
| | I am new to programming. My code are listed below. [CODE]public abstract class Mark { private double mark; public double getMark() { return Mark; } public void setMark(double mark) { this.mark = mark; } public abstract void calculateMark(double x, double y, double z); }[/CODE] [CODE]public class Test extends Mark { … |
| | what are requirements for sql server 2005 installation? how to connect it with netbeans> can we make no. of instances?how and why? |
| | I am doing a cross-site ajax to java data transaction(Not sure if I named that correctly, so please forgive me about that). Part of code in Java file: [CODE]BufferedReader input = new BufferedReader(new InputStreamReader(connectionsocket. getInputStream())); DataOutputStream output = new DataOutputStream(connectionsocket.getOutputStream()); ... output.writeChars("some random text"); output.close();[/CODE] Also I have index.php file … |
| | Hi all, Im new to java. I get this error. Non-static variable this cannot be referenced from a static context myClass c=new myClass() ^ this is my code [CODE] public class MyOwnBm{ private Hashtable myHash=new Hashtable(); public static void main(String[] args) { myClass c=new myClass(); c.match(); } public class myClass{....} … |
| | Hello I appreciate all the help i can get on this ,i am running a javabean on my application server inside the network ,this java gets requests from the apache web server on the DMZ ,my firewall admin has rules for my users to connect using defined ports numbers ,my … |
| | Why i am getting this error ERROR at line 5: PL/SQL: SQL Statement ignored Here is my code CREATE OR REPLACE PROCEDURE SELECT_VEHICLE_VEHICLE_TYPE (vehicletype IN VARCHAR2, vname OUT VARCHAR2, vtype OUT VARCHAR2, efirstname OUT VARCHAR2) AS BEGIN SELECT v.V_NAME INTO vname,v.V_TYPE INTO vtype,e.E_FIRST_NAME INTO efirstname FROM VEHICLE_TABLE v INNER JOIN …  |
| | I'm getting error messages when I run my program. The problem is as follows: Design a Payroll class that has fields for an employee's name, ID number, hourly pay rate, and number of hours worked. Write the appropriate accessor and mutator methods and a constructor that accepts the employee's name … |
| | hi, I have a problem with my JTable it displays the same line at all lignes,my code consists to use a command that will be run in background (using the command exec.getRuntime ()), and this will return multiple rows for that, I used a variable "i" to initialize lines and … |
| | Hi, I'm having some problems with my program and I'm not sure how to fix them. I have a main method that starts out with a frame. [CODE]public class Cryptography { public static void main(String[] args) { CryptoMainMenu mainMenu = new CryptoMainMenu(); JFrame frame = new JFrame("Cryptography"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().add(mainMenu); frame.pack(); … |
| | Hi everybody, Tryed to make this program: Simple browser: you type the URL at the top and then get a new window with this web page. But my output is just JFrame(Even color did not get changed) help me please to find the problem. [CODE]import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; …  |
| | Hello, I'm trying to make a JPanel with JFrame capabilities, such as resizing, and moving, Everything seems to work fine, altough there are minor flickering inside the JPanel, I have numeral repaints and I have a method called update(), which uses absolute position to arrange Containers and Components. Whenever the … |
| | Hi all, Im trying to remove from a HashTable by providing key and to get by proving key. And i tried as follows for removing, Caharcter ch=p.charAt(i); but gives these errors. myOwnBm.java:60: cannot find symbol symbol : method Remove(char) location: class java.util.Hashtable myHash.Remove(p.charAt(i)); ^ myOwnBm.java:77: inconvertible types found : java.lang.Object … |
| | Hi i need to add crosshairs to my code, like draw 2 lines across the screen on a JPanel, i also need to be able to turn them on and off with a checkbox which is on a JPanel. the other panel needs to be drawable on like a paint …  |
| | Hi! I'm working on a school project and ran into a problem. We're creating an ArrayList of basketball games where each game is set up as: [CODE] public Game (String homeTeam, int htScore, String opponent, int oppScore) { this.homeTeam = homeTeam; this.htScore = htScore; this.opponent = opponent; this.oppScore = oppScore; … |
| | If we are given a data set which has student marks, GPA and Attendance, how can KNN be used to find the best 4 students? I admit, that this is a homework question, but I am not asking for the code ... I will do that myself.... I only need … |
| | hello everyone i have wrote a code but it shows [B]"org.apache.tomcat.dbcp.dbcp.SQLNestedException:"[/B] error org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null' at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1150) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880) at listener.MyContextListener.contextInitialized(Unknown Source) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3972) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4467) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277) at … |
| | hello frnd i am wriing program on in which i try to connect mysql with servlet but it gives error here is my code [CODE] [B]Test.java[/B] package my; import java.io.IOException; import java.sql.Connection; import java.sql.SQLException; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.sql.DataSource; … |
| | my problem in here is that i want to input chairs for the barber shop, there should be input chairs button and i will input how many chairs i want, and if for example i will input 4 and press ok, the barber chairs will become 4 also , and … |
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