DavidKroukamp

heyy guys.. m implementing PEER TO PEER FILE TRANSFER.. What protocol should I use? TCP or UDP? And why?

All, For the life of me I cannot get this program to compile. The error message "error: non-static variable this cannot be referenced from a static context" occurs on lines 23 and 24. Here is the entire program: [CODE]public class ThreadTest { public static int x = 0; public class …

Well, I've been learning Java and I managed to create an FTP client that uploads and downloads files from a server. Oddly, the thing I can't figure out is how to do an FTP delete. Can anyone help me on that? I don't want to use an API or someone …

Hello! I have to print patterns using '*' and I am at a loss how to get these patterns printed! I figured out the first one, * ** *** **** ***** ****** ******* ******** ********* ********** and now i have to do it upside down: ********** ********* ******** ******* ****** …

The strange title comes from a skit by Benny Hill, where he tells his wife all the facts she shouldn't know, but she always answers "I know! I know!" Anyway, this thread is suppose to be a collection of strange facts. Let's have fun! Here are a few facts to …

hey, i have stored a few images in mySQL database as BLOB.Now i want to retrieve and display the images on frame as a gallery/grid view.I have displayed one image in a frame but when i tried to add more images it fails...Can anyone help with sample code,coz im new …

I need to print out a pattern that looks like this when N=6 1 21 321 4321 54321 654321

Hey guys I had an assignment to recursively write the Towers of Hanoi then test it. I did not have too much of an issue getting the program written But I am not sure what the book means by test the efficiency do they want the number of moves my …

I have recently been interested in Java Swing and Game development, so naturally I began creating many different 2D games. During them I found myself having to rewrite much code, but eventually I decided to write some classes that would help me whenever I wanted to make a game. Here …

Can anyone tell me about [COLOR="Red"]how to create my own format[/COLOR] like .azw(kindle device format),.mobi,.epub etc..Is it possible to create it using java? if yes then what are the steps to do that? I am doing project for e-publishing company they need one own proprietary format like the above formats …

**How java help to create website ?.**

I have seen many questions on autocompeletion for *java text components* like `JTextField` `JTextArea` `JTextEditorPane` etc. There are not many options either: 1) 3rd party library (like SwingX) 2) DIY (i.e using `DocumentListener`, `JWindow` with `JLabel` etc and a few requestFocusInWindow calls) I chose number 2 and put the code …

Hey everyone, I have been assigned to create a recursive maze program and I am having trouble to figure out how to start it. I am pretty much lost and confused and don't know what to do. I do not want anyone to complete it for me but giving me …

I'm trying to display a few Jlabels in the output of my actionlistener. I have a combobox included in the fields I needed added. i attempted to use a Jtable but had issues getting the selected item from the combobox. I choose to this method because I had already had …

Hello I am a student of computer science year 3 and am doing my project on a **road design simulator**. I should be able to design a road on a java interface and simulate it with cars. Does anyone have an idea about how should i proceed with it?

Hi there everyone, I am a novice at java and this one has me stumped. This is the beginning of a tax calculator but I am getting irregular output from the getIncome() method. It starts fine, letting the user enter income figures, but on the third income entry or so, …

hi friends java does not support multilevel inheritance. what is the reason behind this?? is this for security reason??

how to change image when button is clicked? my gui is consisting of three Button(NEXT,PREVIOUS,AUTO-CHANGE) and 1 Jcombobox. when you drop-down combobox list of image is shown.so i want when i clicked on "next" button image of jcombobox should be change.

Hello all. I'm currrently working on a GUI that needs to support dragging some application-specific objects from a selection area onto a work area (JPanel). It's currently working in a "click where to place the object, then click the Add button" mode, but that's not good enough. The obvious approach …

A person wishes to add a NEW Job to the database. A `Combobox` list the existing employers already in the database for the new Job to be added against. But if an employer is not present customers have the option click on a button to add an employer. Once added …

Hi all, this is my first post as a user, however ive been using this site to aid me in some of my programming assignments. I have become a little stuck with one program that i am trying to create which is a random number generator for 6 numbers. Ive …

I wasn't able to get any response from my last post, so I'm rewording my question with hope that my question is easier to understand. I need to get a visitors location and display a custom header graphic based on the *Region* returned. For example: I live in Edmonton, in …

This class will sort strings in alphabetical order.

hi.. am quite new to sound applications in java. I want a audio control panel as output. i.e. if i click play button audio should play, if i click stop audio should stop and if i click pause audio should pause/hold until the play or resume button is clicked. i …

Hi, I'm currently creating a pool game which is nearly complete but I want to have it as a 2 player (human vs human) game. All that I want the program to perform is that when the game begins then the two players are asked to enter their names (I …

i want to create a program that would translate number to words from 1-1 billion this is how i started: package app.runner; import javax.swing.*; public class EnglishNumberToWords{ public static void main(String args[]){ int inputNumber=0; String oness[]={"one","two","three","four","five","six","seven","eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"}; String tens[]={"ten","twenty","thirty","fourty","fifty","sixty","seventy","eighty","ninety"}; String answer=""; String calculate=""; inputNumber=Integer.parseInt(JOptionPane.showInputDialog(null,"PLease Enter a Number: ")); int billion=inputNumber/1000000; int …

Hi, How do you disable the minimize button in a JFrame. I only want to disable the minimize button, not the close and maximize button. Please help me with this one. Thanks.

hey, so I know if I use the drawLine() method, then I could change the line stroke/thickness with setStroke, but how do I change the thickness of a Line2D?

This is my code: //VariableArguments3.java public class VariableArguments3 { static void test(String s,int ...v) { System.out.println("length:"+v.length+" String:" +s); for(int x:v) System.out.println("x="+x); } static void test(String s,double ...d) { System.out.println("length:"+d.length+" String:" +s); for(double x:d) System.out.println("x="+x); } } and //VariableArguments3.java public class VariableArguments3Test { public static void main(String args[]) { VariableArguments3.test("harshal",33,43,34,23,24); VariableArguments3.test("hosha",43,442); …

hi guys i need to develop an application and to do so i need to import in my project some web references.Does anybody has any idea how i can do that in eclipe(juno version)