32,199 Topics
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| | Hi we are supposed to modify this class for my school project to create a code that will print out a rectangle made of asterisks * something like ********* * * * * * * * * * * ********* here is my code [CODE] // Exercise 7.21: TurtleGraphics.java // … |
| | I started developing an HTML editor using Java. After spending a lot of time I am now stuck in between. Most of the things are done but now I don't find any way to implement some of very important features. [B]I think[/B] java is too weak too support these features. … |
| | Hello.. I'm new with java and have some problem with my assignment. I want to write a class named phoneBookEntry that has field for a person name and phone number. The class should have a constructor and appropriate accessor and mutator method. Then, write a main class that create five …  |
| | ..Hi to all...just want to ask.. ..I have already created an ideal layout for my calculator..my problem is...I dont know how to insert a value into a field everytime I press a button(0 to 9)..without deleting the previous integer after I press my operator.. ..how shall I do so..??.. |
| | is it possible to send an sms through JAVA.. My requirement is a chat application like Rediff bol. am able to do chat using networks. but can i be able to send sms. just like when i press a button called send sms then a window needs to get a … |
| | Is this a simple way to return the number of occurrences of theValue in a bag? [code] /** * Return the number of occurrences of theValue in the bag. */ public int countOccurrences( String theValue ) { // fill in code for(int index = 0; index <= topPosition; index++ ) …  |
| | If you read the Prologue section of the code I posted it will give you an explanation of what I am trying to accomplish with this program. The problem I am having is that I am unable to find an example of how to pass an argument through the string … |
| | please help me import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.net.*; import javax.swing.border.*; /** * Summary description for userlogin * */ public class userlogin extends JFrame { public static ServerSocket ssoc1; public static Socket sousoc1,ss1; // Variables declaration private JLabel userlabel; private JLabel jLabel2; private JLabel jLabel3; private JLabel jLabel4; …  |
| | hi, good day to you, [url]http://java.sun.com/developer/technicalArticles/ThirdParty/WebCrawler/WebCrawler.java[/url] :-/ can anyone run this code in eclipse IDE ? because i cant seem to run it though and it caused errors. Is this code meant to run in IDEs ? thanks for visiting this thread and hope you can help me. |
| | I'm trying to create a class that reads in a set of numbers from a file, stores them in a generic array, and then sorts them using the generic bubbleSort method. I usually write in C++ and the switch from templates to generics hasn't been easy. I'm fairly certain my … |
| | Hello [B]I am experimenting with Java applets & communicating between a Servlet & an applet. I am experiencing a HTTP 501 error when I go to retrieve the input stream from my URLConnection object.[/B] I know that the 501 error means that I am attempting to perform an action that … |
| | this code does not compile successfully because of the error which says update is not an abstract and does not override abstract method validate in line 5 and line 14 class updateinfo implements validateinfo [CODE]public interface validateInfo { public void validate(String empcode, String password); } class updateInfo implements validateInfo { …  |
| | Im trying to make a tax and tip calculator and whenever the tax comes up it goes 10 or more decimal places and im trying to restrict it to two. [code=java] public static void main(String[] args) { double cost, total, tip, taxtotal, tiptotal, subtotal, grandtotal; Scanner myScanner = new Scanner(System.in); … |
| | Hey all. I'm in the process of learning Java in my spare time, and I've bumped into a problem that I'm having a hard time wrapping my head around. I'm writing a small game (currently little more than an animation) involving a handful of blocks moving on-screen. I've created a … |
| | Hi guys, my program im working on ends when it shouldnt..... here's the main method. [code] public static void main(String[] args) { String answer; do { boolean whole=false; boolean whole2=false; Scanner sc = new Scanner(System.in); int one=0, two=0; do { try{ System.out.print("Enter the first whole number: "); one = sc.nextInt(); … |
| | I am using an array to store 5 test scores. Then I have another array for the total possible score the test could have. I just need to find out what percent the grade is out of the total possible score. [CODE]public class Main { /** * @param args the …  |
| | Hi Am currently taking a Java class and we are supposed to use turtle graphics to draw the following shape rectange made of Asterix ************* * * * * * * * * * * * * * * ************* My program builds and compiles successfully but I cant get … |
| | Hi What is the best way to go forward with finding all possible combinations of nCr Eg: 5C3 for the number 12345 123 134 135 145 234 235 345 Like that thanks |
| | hi guys.. can any gurus give me a hints or tips on implementing TF-IDf on java ? how do i start first? i am kinda confused here.. is it i need to read the file and count the words first ? |
| | Hi, I have this really important project where in, I must perform the following tasks. VIEW - view records that are present in the database using a "primary key" ADD - add new records to the database EDIT - a specific line in the said record within the database [INDENT]Under … |
| | Hello All I was using Java for capturing the screen and printing it. Now I need to capture the window, which is a ALt +Printscreen of Windows. I tried in Java. Could you pls help? Thanks in advance |
| | Hi folks, I have a java maze, I cant seem to pass the 2d array to the next method. Any ideas on how i can do this? I need to get the character to move around the maze. Thanks [CODE] public class arrayAttempt1 { static int i=0; static int j=0; … |
| | helow everyone!when i execute the following code,i have saved it as validateInfo.java it tells me that line 5:duplicate class:validateInfo.Please help public interface validateInfo { public void validate(String empcode, String password); } class validateInfo implements validateInfo { public void update() { //code to update information of customer } public static void … |
| | [code]import java.applet.Applet; import java.awt.*; import java.awt.event.*; public class Books extends Applet { Choice b; String [] blist; //CheckboxGroup edition; int i; public void init() { setBackground(Color.green); add(new Label("Please Pick a Book:")); b = new Choice(); blist [0] = ""; blist [1] = "Java Programming"; blist [2] = "C# Programming"; blist … |
| | I'm currently working on a tic-tac-toe program and it is working to the point that it runs and X's and O's appear. However when the right combination is made or the board gets full the method "Resultat();" should recognize it and "Clear();" should clear out the board and a JFrame … |
| | Can someone help me with my homework? my teacher asked us to create a program that lets the user to input 5 integers and sort it using bubblesort. i have already write the code but its not the output that i expected. heres the code: [CODE] import java.util.Scanner; public class … |
| | The objective of this program is to create images or shapes by using 2day arrays. I've created the the maximum size in my constructor but my error is in the the rectangle method.This is my error: Hw11.java:60: cannot find symbol symbol : constructor Picture(char[][]) location: class Picture return new Picture(result); … |
| | Hello everyone, I am new to Java but know lot about other programming languages and experienced game developer. As Java is platform independent, we cannot compile it to .exe format and that's where my problem is. Suppose I have created a .java file and compiled it to .class file, then … |
| | hi I want to know that i there any leave function in java like the one in c#. what i am trying to do that there is 2 combobox and the list of second combobox depends on the data selected in first combobox. so as soon as the user select … |
| | [ICODE] import javax.swing.*; import java.awt.*; import java.awt.event.*; public class MainFrame extends JFrame{ JMenuBar main=new JMenuBar(); JMenu menu1=new JMenu("File"); JMenu menu2=new JMenu("Search"); JMenu menu3=new JMenu("Display"); JMenu menu4=new JMenu("About"); JMenuItem exit=new JMenuItem("Exit"); JMenuItem pw=new JMenuItem("Piece Worker"); JMenuItem hw=new JMenuItem("Hourly Employee"); JMenuItem pcw=new JMenuItem("Piece Worker"); JMenuItem hrly=new JMenuItem("Hourly Worker"); JMenuItem author=new JMenuItem("Author"); JLabel … |
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