36,051 Topics
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| | Hello I am a fairly new to Java, below I have created a program for calculating the distance between two cites that is inputed by the user. For the second part of my program I need to have a menu system and the constant SPEED value to change according to … |
| | As i paint any figure in Java, the lines don't look smooth and I clearly see pixels. Any not very difficult solutions? |
| | hi everyone divya hea..i'm new to java..i gotta do a inventory project in java..i've been told its simple..but i just dont seem to know how to do it..pls help..:Spls someone submit the code..i've attached the project details as images pls jus c it..thnx |
| | Hello, I've worked on some code for a project I have to do but I'm a little unsure about a few parts that I was hoping somebody could provide some clarity on. Here is the project that I'm working on with the code and question on it to follow: Write … |
| | Hello all, I m a newbie in java, I m writing code to change the text of the JLabel on the mouse over to the JButton I m facing some problem in Updating [B]Initial Label:[/B] [ATTACH]12891[/ATTACH] [B]After setText:[/B] [ATTACH]12892[/ATTACH] label.setText(); It doesn't update properly New text gets overwritten on old … |
 | i successfully edited windows registry using java API... BUT THE PROBLEM IS whether i need to reboot os or not... because after editing it has no effect... if i need to reboot then how can i skip it(i strictly dont like to reboot...)... any java snippet available,, plz....  |
| | Hi, I'm building an application and I want to it to play mp3 files. I have it working, basically by installing JMF2.1.1e, and then I add its jmf.jar file to the build path of the project within eclipse. When I then jar up the project, and place on desktop, it … |
| | Can anyone mention all the math functions i require for making a scientific calculator. I am making a CUI version of it (The one which is opened in cmd). |
| | please help me ^_^ I want using thread in this program but I don't know ..?? ____________________________________________________ [CODE]import java.util.*; import javax.swing.*; import java.awt.*; import java.awt.event.*; //------------------------------------------------------------------------------------------------ public class MyApp extends JFrame { // Data static boolean stopped = true; // Is the counting stopped? (True or False) --> shared variable … |
| | hi all, i made a web application through netbeans and in its web.xml file i set the session timeout as according to my requirement(let's say 1 min.)and then i made a class implementing sessionlistener and in its session destroyed method i removed the atribute(say empno) from session. The whole application … |
| | Hi all, I have connected the mysql database......but if i run my jsp code, it is giving an error..........whats the main reason for this. I have gone through some cases based on database connection, in that they said we have to copy mysqlconnector.jar file in lib folder of jdk.... but …  |
| | I need to implement a huge array of 2100000 integer elements. I have to find duplicate elements in this array which means there will be lot of search. Can you please suggest me an efficient way to implement this? What collection to use and how to search.  |
| | i have experience in php but i need to persue my career in JSP. Anybody suggect the site where i get jsp freelance project. i am ready to project free also.i have very good knowledge in j2ee application(swing.struts,ejb,javabeans) and have very good knowledge in web technology. |
| | Hi I am very new to java as its part of my course and I am stuck I have written part of this basic code below [code] import java.util.Scanner; import java.io.File; import java.io.IOException; import java.awt.image.BufferedImage; import javax.imageio.imageIO; import.java.awt.Color; public class FinalExam { public static void main(String [] args) throws IOException …  |
| | Hi, I was just wondering why my program wouldn't output the elements that I entered. Thanks in advance. [CODE]//Scanner utility import java.util.Scanner; public class A4 { public static void main(String[] args) { //Reads user input. Scanner inputReader = new Scanner(System.in); //Declares an array,size of the array is 10. int[] elements=new … |
| | I was planning on releasing the source of my applet but I wanted to wait till i was done to do that. It got decompiled before i was ready. Is there any practical way to prevent decompiling? i googled and all the articals said how easy it is to decompile … |
| | How would I sort an array or arrayList of strings into alphabetical order? |
| | hi i am not famelier with this site and i dont know how to ask for help i want to implement breadth first and depth first search for solving 8 buzzel problem may you help me?  |
| | Hi all..i make a program use javascript to call VB.Net function..but it doesn't work...can somebody help me to check this code... [code=vb.net] Imports System.Runtime.InteropServices <ComVisible(True)> _ Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load WebBrowser1.ObjectForScripting = True WebBrowser1.DocumentText = "<Script language='JavaScript'>" & vbCrLf … |
| | Hello I have an assignment that is due and am in need of some dire help. I would appreciate all the help that I can get. Please bear with me. I am new to Java and Daniweb. I have to create a java application that displays the product number, product … |
| | I recently downloaded the Eclipse(Ganymede) EE editor.I also downloaded the web application server community(WASCE 2.1) edition from IBM. I started off with a simple HelloWorld web application.i just displayed the msg in the default index.jsp page. When I deploy the application on the WASCE server the web browser is showing … |
| | Hi all, I'm a computer science student in my last year. I need an idea for my graduation project. I prefer JAVA as a programming language. I'm trying to implement a web browser but I think a web browser is a traditional idea so I am looking for a new … |
| | I have to write a class names Hexagon that extends the superclass GeometricObject. This is what I have could anyone help me pleas? [code] public class Hexagon extends GeometricObject{ private double side; /**Construct a no args constructor with a defaukt side*/ public Hexagon(){ //Implement it } /**Construct a Hexagon with … |
| | Hi I have a requirement in my project to show a dynamic tree on the left hand side of the page and on clicking on tree node, content will be displayed on the right hand side as the main body.Also there is one submit button+ pagination support on the table … |
| | How to create multiple layouts in one activity? Regards |
| | Hello, Im studying java in high school. Im building a project that containts ZBuffer so I have a problem impleting it with 3D models cuz I have a problem getting all of the pixel in a face that is made of 3 dots could some one suggest an algorithim for … |
| | enter 5 nodes if there is a number "3" entered, a number "4" is automatically inputed at the right side of number "3". if there is a number "2" entered, a number "1" is automatically inputed at the left side of number "2". can you help me dudes you see … |
| | I already have the application run on my first server... and now i want try to run this application on the backup server. I have installed the tomcat 6.0.14, sql server 2005 and jre1.5.0_12. when i try to run this application this error was come... Can somebody tell me what … |
| | If this isn't the right place to ask about JVM, then please direct me to the correct place, thank you. :) Anyways, I was wondering about the arraylength command. Would I be able to use that in order to find the length of rows and columns in a predefined matrix? … |
| | Hello again, got another Java question. I am trying to draw an oval from the Alien class to the Canvas in the Game class. Here is the code [CODE]import javax.swing.*; import java.awt.*; /** * The Evil Ovals! * * @author Eric Foertsch * @version Nov 2009(1.0.0a) */ public class Alien … |
| | Hey I need some help with my java game Im making. I wont to have an menu with 4 options, startgame, highscore, option and quit. They quit button is easy I just setVisible(false) but when i click on the other buttons I wont to remove the buttons and include new …  |
| | welll it is just a program that generates 2 random numbers for the user...the user inputs their answer and if it is correct it adds 1pt to their score. But then it is also supposed to generate a new problem, but I do not know how to code that in. … |
| | Hi, everybody. i want to get file name from html file input form using jsp. my codes are followed as: [CODE] <table> <tr> <td > <input type="file" id="csvfilebrowse" name="csvfilebrowse" value="" width="400px" style="width:400px; height:20px" onChange="getcsvfilename();"> <script type="text/javascript"> // < |
| | please tell me the reason for the error.[code]new Double("25D"); // Ok new Long("25L"); // Error[/code]  |
| | I need java program for SHA message digest and encrytion and decryption in RSA |
| | Hi guy, I writing a simple syntax highlighting code which has loop due to comparisons of the reserved keyword against the input text , the code is a little bit processor hungry so, I decided to put the expensive loop on a separate thread, but with no good, in addition … |
| | Guys newbie here, I need your help. I need to create a program that will compute for the following entered values and will determine the equivalent grade: Formulas: Midterm Quizzes = 30% Midterm CS = 20% Midterm Exam = 50% Final Quizzes = 40% Final CS = 10% Final Exam … |
 | I have an program that allows a user to input their employee name and number and then their hourly wage and their total number of regular hours and overtime hours. Then writes out the data to a binary file. The program I need assistance with reads in that file, adds … |
| | Hello, I am hoping that somebody can help to provide some guidance on this for me. I am tasked with writing this class for a Java class I'm taking: Write a class encapsulating the concept of coins, assuming that coins have the following attributes: a number of quarters, a number … |
| | Please help me ... a NullPointerException appears here's the codes import java.util.Random; public class Dice { Random r =new Random(); int sides; //constructor public Dice(int s){ sides = s; } //roll method depending on sides on top public int roll(){ return r.nextInt(sides-1)+1; } } // end of class public class … |
| | I"ve thought i have noticed some strange behavior after compiling. most of the time i compile the class files update with my changes. Now and then i feel i need to delete my class files in the folder and do essentially a rebuild all to make the program start working … |
| | Hello Daniweb, I am working on a program, a basic poker game. I've run into a problem I can't seem to solve for the life of me, after hours of googling I thought I'd ask here. I have a Dealer class that basically controls the back end of the came, … |
| | Hey guys and gals, So for my Java class, (which I have been struggling all semester with) we are supposed to break down a code and say which park of the code does what and why. I selected a simple program that creates a bar graph. If anyone could give … |
| | Hi there, I'm relatively new and I'm making a program that reads reads a txt. file stores it in an array, validates and finally displays back. However I'm not getting the desired display when I tell my program to display txt. file contents, I get some of the correct content … |
| | Hi all, I cant get my brain around the logic of making a check box add a specific color when it is checked. Also, when the other boxes are check, it will add that color to the selected color as well. here is my code: [CODE]import java.awt.BorderLayout; import java.awt.Color; import … |
| | Hello, I have an interface containing a table, i need to link that table to the DB Table so that it will automatically reflect the changes done in the DB Table to the Interface table. i.e: if someone (manually or another WEB Application) updated the DB table i want the … |
| | I am writing a java applet that calculate heat index and wind chill. it requires the user to input temperature , wind speed and humidity, and then let the user choose either Metric ( kph, °C) or English (mph, °F) I have some problems with the code. First, the Calculate … |
| | I'm pretty new to java but have lots of coding experience with ruby, c and gui with gtk2 and qt. I'm trying to understand (and get rid of) the dead space to the far left portion of the window. The split panes have white backgrounds to separate it from the … |
| | Hi Guys, any one can reply me on if we can do some thing like in java or not sure for example [url]http://www.screentoaster.com/[/url] click on ?start recording?. [url]http://screenr.com/[/url] click on ?Record your screen cast now? [url]http://www.screencast-o-matic.com/[/url] click on ?Create? button. , basically i want transparent frame on top of any … |
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