32,199 Topics
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| | Ok, so I'm having a bit of trouble with understanding how swing interfaces work. Here's the problem. Write a Swing program that declares an empty array of grades with a maxium of 10. Implement a JOptionPane input box within a while loop to allow the user to enter grades using … |
| | so I am trying do this problem involving linked lists where i need to basically make 2 linked lists each representing a polynomial. I got all that down... now I need to make a function to add the two polynomials and this is where i got stuck. I have the …  |
| | Hi guys I'm trying to learn animation/graphics(they're synonymus to me) what would really help me is a working model of a line turning on an intersection. I've searched around and all i can find is clocks and stuff but all i want is the basic code to cause a line … |
| | I'm trying to develop an editor which you can insert text and draw shapes on. To do this, I'm using a JPanel as the main panel, and listening to mouse actions I add new JPanels into it. I draw the shapes on the small panels using getGraphics(). But the main … |
| | Letter Maker Objective This project will give you some practice with loops, static methods, removing code duplication and introduces the notion of having multiple classes working together in a single project. Overview The project consists of several classes working together -- most of them are provided for you -- only … |
| | [This is a multi-post; I thank you people for the attention] hi How could I show a database datetime field (like mm/dd/yyyy) on a JTextField? regards  |
| | All, I have worked extensively on my looping and sentinels here. As you can see I have my program working but it is not taking the series. I know I am missing something stupid but I just can't put my finger on it. I have my inupt validation working as … |
 | I want to design utorrent client for my semester project in java, can anyone tell me where should i start and what are the necessary steps for this, also if any useful website and information. Thank you.  |
| | The commonly used syntax: [CODE=Java] public class Foo { private int x; public Foo(int x) { this.x=x; } } [/CODE] Is actually "flawed." If you have an anonymous inner class inside the Foo constructor (i.e. if this were a GUI code and you were adding an ActionListener) then the private … |
| | Hello Everyone I have just started studying about applications and usage of DBus and as I able to understand that it is possible to pass messages between two different applications(programs) written in different languages usnig DBus. But I am not able to implement it. So just for demo, I want …  |
| | hi everybody!!!!!!! can anyone tell me how do we test the data type of variables in java, like if a variable is a string, the system prints out that this variable is string or not. more especially how can we test this on primitive data type? waiting for your replies!!! |
| | Hi, I'd like to be able to put a JTable inside a ScrollPane, so that when the table is large, the horizontal and/or vertical scrollbars 'kick in', and when the JTable is small, I just get a small JTable. Also I want to limit the size of the scrollpane to … |
| | [b]Split from - [url]http://www.daniweb.com/forums/thread158197.html[/url] [/b] [QUOTE=mabros86;739291]well basically what i'm trying to do is build a program that takes a file and copies is to another new file identically!!![/QUOTE] hi.. uhm.. how did you do this? i mean how to copy a file from jFileChooser to another destination? is it possible … |
| | In java how to prompt the user to enter the phone number (xxx- xxx- xxxx) format in dialog box? and take the number and Display it in (xxx xxx xxxx) instead of dashes i want spaces. how do i do it? I try to enter the number but it wont … |
| | How in java we can add double menus, like file bar and search bar both are different in internet explorer? Thanks in advance. |
| | Thanks so much for bothering to look at this n.n; I've been kind of confused in this class, mainly because I have no idea what the teacher's saying; her English isn't that great, and she has no in-class coding exercises so we're learning entirely from her crappy powerpoints. I'd have … |
| | [code] public boolean isFull(){ //generally full if(parcelIsFull() || hcparcelIsFull() || noSharingParcel()) return true; } [/code] I want to know why i get this error missing return statement I have the value written as 'true' boolean as the returning value. |
 | Hi there I have a rookie question. I am trying to clean up a long list of if statements for a class in java, I know that in C# you can code #region-->#Endregion. Is there a simple way to do the same thing in Java? THANKS! Jameson' |
| | hi is it possible to limit the lenght of a JtextField? thanks |
| | im new to java ..im learning myself.. i want the source code for 12hr to24hr conversion of time.. ie if i give input 1pm then my program should gives this in 24hr version as 13hr..... i hope u pepole will help me.... Regards kavitha |
| | After the list, sum, average, max and min have been printed, ask the user to enter a value. [B]Then print the id of each salesperson who exceeded that amount, and the amount of their sales. Also print the total number of salespeople whose sales exceeded the value entered.[/B] The bold … |
| | [I][COLOR="Red"]This code enables the user to enter a number and finds the prime from 2 to the entered number..Please name it PrimeNumbers.java Hope it'll help u..[/COLOR][/I]:D |
| | A perfect number is one for which the sum of its divisors (excluding the number) is equal to the number itself. For examples 6 is perfect since the three divisors of 6 (excluding 6) are 1, 2, and 3 which add up to 6. The number 8 however has divisors …  |
| | [QUOTE]Your are supposed to create a class book comes with, id, name, author, price and other two informationn of it. Inside the class, you need to create constructor, and methods to manipulate it. [/QUOTE] thanks in advance.  |
 | I'm supposed to be inserting words from a text file into a BST and AVL tree. I've got the words to insert correctly, and it recognizes whenever the words are repeated. It just leaves the count at 2 instead of incrementing afterwards. Can't seem to figure out why it's not … |
| | Newbie trying really hard to understand what she is doing wrong. Your help would be appreciated. <?xml version = "1.0" encoding = "utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHMTL 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhmt1-strict.dtd"> <!-- Fig. 8.12: Product order.html --> <!-- Product script. --> <html xmlns = "http://www.w3.org/1999/xhtml"> <head> <title>Product Orders</title> <script type … |
| | Newbee needs help with program. If you would be so kind to tell me where I am going wrong. <?xml version = "1.0" encoding = "utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHMTL 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhmt1-strict.dtd"> <!-- Fig. 8.12: Product order.html --> <!-- Product script. --> <html xmlns = "http://www.w3.org/1999/xhtml"> <head> <title>Product … |
 | [B]Hello, I'm currently having some problems with the StringTokenizer from java util. I've declared a StringTokenizer like: [COLOR="Red"]StringTokenizer token = new StringTokenizer(line,"|"); [/COLOR] to token out a string read from a txt file such as: [COLOR="Blue"]Diablo|RPG|PG|PS2|20[/COLOR] and it works fine(detects all the "|" as delimeters) :) The problem now is, … |
| | This program creates 2 methods for convenience: menu() and binaryQ(). The menu method accepts several strings as its parameters. The first of the strings is the question to be displayed at the top of the menu. The following strings are the menu choices. For instance, if you call [icode]Confirmer.menu("What is … |
 | my program is compiled.but on run that i have message "Exception in thread "main" java.lang.NullPointer Exception" 1. class Rev 2. { 3. char a[]; 4. char i=3; 5. void str() 6. { 7. for(i='A';i<'D';i++) 8. { 9. a[i]='i'; 10. } 11. } 12. void show() 13. { 14. for(int i='A';i<'D';i++) … |
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