35,619 Topics
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| | Hey everyone~! I am pretty new to threading but I'm trying to figure it out by playing around with its possibilities. I wrote a program where 2 threads are supposed to "race" to count to 10 and then the first one there says "I win!" and the second says "I …  |
| | i have a problem in my code when i go to the method add i successfully go there but i cant go back to the main method someone who can help about this. sorry for my bad english. here is the code: [CODE] package project; import java.util.*; import java.lang.String; /** … |
| | Hey everyone~! I have been studying for the AP Computer Science exam, and I have a question where I think Barron's is wrong, so if someone could confirm whether I am correct or not please let me know! The following code snippets are given: [CODE=Java] public interface Player { /* … |
 | Hi, I have an urgent ugly problem. I have a php file on a server that reads the name of the files of a directory from the server and POST them to my java application. When I try to read it, i get [CODE]Server returned HTTP response code: 400 for … |
| | I'm not sure if this is the best way but I would like to display a list of addresses in a combo box where the columns come from different tables such as Countries, Cities and Types (work and home). I don't want to display the countryID or cityID, etc. but …  |
| | For Example: java is an object oriented language. it has many feature including 1.1 robust 1.2 inheritance. java is a interesting language. I need output as follows: java is an object oriented language. it has many feature including 1.1 robust 1.2 inheritance. java is a interesting language. Note: I need … |
| | Hi, I have a project for Uni, It is to create a system which will allow fingerprint recognition which will allow a user to access a created database and download information to a screen. I have implemented what i want it to look like, now im working on 3 main …  |
| | Hi guys, why wont this work. I'm still learning and have no experience with graphics of any kind. Just trying to put the image onto the background. The link directory is right i think. [CODE] import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Image; import javax.swing.*; //inc javax.swing.ImageIcon public class TheArea … |
| | My assignement is to write a mortgage caclulator that displays x number of lines pauses then continues to dsiplay another x lines of data. Below is my code and I can not get it to work properly. It slowly prints the first 12 lines then displays everything else at once. … |
| | suppose that Box is a class now Box mybox = new Box(); this first creates a reference variable and then mybox is dynamically allocated memory but what difference does it create in allocating memory to a class instance dynamically or during compile time? here what is the advantage of such …  |
| | Does J2EE support Enterprise applications? Is Java Beans an application dependent components? Does JavaBeans support sharing among the network? 1 Javabean can contain how many classes? Does Servlets execution starts with main methods?  |
| | I have developed a java web application and make installer of the application. This application is using SQL Server 2000, Now I want, when user installs this application on his/her machine, the installer install the database also, if the machine does not have SQL Server then it install the SQL …  |
| | PLEASE WHAT'S WRONG WITH THIS CODES, I KEEP GETTING ERROR AT THIS STAGE [CODE]String result = ci.insertDetails(cid, name, dateOfBirth, String.valueOf(cms.getSelectedItem()), address, city, state , zcode, cnum, nod); String day = String.valueOf(d.getSelectedItem()); String month = String.valueOf(m.getSelectedItem()); String year = String.valueOf(y.getSelectedItem()); String ms = String.valueOf(cms.getSelectedItem()); String dob = year + "-" + …  |
| | How to pass variables from JavaScript to Flash, and opposite (AS2)? Please Answer, thank you! :) |
| | Hello! I've a main GUI class from where I create 2 others JPanel (PanelA and PanelB for example). In the first panel there are a JComboBox (JCA) and a Jlabel (JLA) and in the second panel there are a JList (JLB) and a JLabel (JLB). I'd like to have 2 … |
| | Can someone give me a simple coding/alternatives than the one I use because I think mine is just too long.. [CODE]import java.io.*; public class MidtermGrade { public static void main(String arg[]) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int qz1,qz2,qz3,as1,as2,wexm,hoexm; double aveqz=0,aveas=0,aveexm=0,clstnd=0,mdtrm=0; System.out.print("******************************\n"); System.out.print("Enter Quiz1: "); qz1=Integer.parseInt(br.readLine()); System.out.print("Enter … |
| | hi..! i have a project that we need to research a java source code or C source code of the game LUCKY 9.. we are not required to make the game but we are required to research a "ready made" code for it... dont worry that i may not learn … |
| | is it possible to write a text in a different font and color in one textarea ??:?: thanks in advance ^^ |
| | Hello i am a beginner in java and this is my first project my project is about cinema which have 10 theaters and i need to provide set of films to each theater i try to do this but i am a bit confused and lost [CODE]import java.util.Arrays; import java.util.List; … |
| | Hi guys! Ok so this is my first year in college and I am having a lot of trouble with my computer course which mostly consist of writing java programs. I am falling way behind in class and i have a mid term due next week. It is REALLY causing …  |
| | Example: Input: 4 1 3 3 4 Output: 9 Because 3 X 3 = 9 and this is a maximum area [CODE]import java.io.*; import java.util.*; public class R { static int max(int[] a) { int max = 0; for (int i = 0; i < a.length; i++) { if ( … |
| | hey guys, im new to java got a simple quastion, well it easier to explain with the code here is the code [CODE] ship = new ShipEntity(this,"spaceinvaders/ship.gif",370,550); entities.add(ship);[/CODE] for example how could i use a simple 2d shape such as rectangle instead of the .gif image thanks in advance |
| | Hello everyone, I'm having a problem when I try to display my applet online. I can view the applet on my desktop, with .htm file. However, when I upload the same file, along with the required .class files, I get the following error while viewing the applet online: java.lang.ClassFormatError: Extra … |
| | Hi i need to know how RFID works in a smart class room. how can we set for attendance for any student. Would any please help me to sort out my problem? thanks |
| | When I put these code in my project. It suppose to display error box when no input is enter, but there no dialog box is pop up. What else do I need for this code to work? Here part of the code I want it to work [CODE] if( costKwhrField.getText().length() …  |
| | Hi, I am new to Java and am doing this as an on the side project. I have an ArrayList of Strings. I want access each individual String and then do something with that string recursively. However I used the Tokenizer to get the Strings and put them into arrays, … |
| | hello all i have a finished program that i worked on last week and i think is running well but i wanted to know how to convert it to have JTextField where the user inputs a value which must appear in the upper part of the frame. There should be … |
| | how i can solve this problem..... generate the following staircase pattern(using loop operation) 1 2 4 3 6 9 4 8 12 16 5 10 15 20 25 6 12 18 24 30 36 7 14 21 28 35 42 49 |
| | Hi, My Name is Ravi Shankar. I have query in PHP Code. I had written the code as if client click on check box, it will generate 16 digits random number in adjacent text box. My query is, before display the 16 digits random number i have to show a … |
| | I am trying to load an image using jsf graphicIamage tag. But it is not displaying the image code is ... [code=JSF]<h:graphicImage id="image1" value="/Img/flow2.jpg" width="120" height="80" ></h:graphicImage>[/code] the image flow2.jpg is placed in \WebContent\Img folder but it is not working please help Binu |
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