32,199 Topics
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 | Hello. I am trying to make a thread pool for a server that will process incoming socket connections. The purpose is to have limited available connections at a time. I can't grasp this concept fully to implement it. Perhaps some of you can help me! Please try. Below is my … |
| | in a database for a company,what technology is best for enabling for examples certain staff memebers to make bookings/access the database from any location using a **Browser**? how do i implement this and how can i make it work? please HELP! p.s i have been researching and thinking creating a … |
| | The class ArrayList is often used where the interface List could be used instead. How would i go about replacing the ArrayList by List wherever possible? |
| | Hi Everybody! Can anybody clear my doubt regarding the Android Application Development? I had a question that does the Android Programming has anything to do with the J2ME platform, I mean to say does the Android Programming uses the J2Me concepts? Or the Android development is a totally or somewhat …  |
| | well simply i am coding an animation using netbeans but i wish to calculate the distance between my animation and the landing strip. i am using two labels in the animation, one is a rocket which you can direct and the other is a landing strip. How am i able …  |
| | Hi, I'm a student of Java, and my first homework assignment is more advanced than our reading. So...I'm lost. This question is: Q5: Write a program that reads a list of exam scores from the keyboard. Using A=90 to 100, B=80 to 89, C=70 to 79, D=60 to 69 and … |
| | hello i want to know how to get Arabic data from jtextfield it is writen normally but when i order to show it , it appears in the form of ?????? please help thanks for you attention |
| | [CODE]hey there everyone, am a new guy in Java programming, i want you guys to help me on how to write a program that can print out [B]even numbers[/B] below 61? and I want also to write a Java program that prints my name(first and second name on different lines.) …  |
| | Can somebody please help me understand what the output of this code would be. I believe I am getting the wrong output due to some technical problems with my computer. [code] public class SetDemo { public static void main(String[] args) { SetInherit inherit = new SetInherit(); SetComposition comp = new …  |
| | I have a assignmnt to find all prime numbers less then 100 ,using a boolean array, set all to true and then set non primes to false and display them. ( got this!!! ) it also askes me to loop through the array and if number is prime (true) launch … |
| | Hello! I'm currently working on a sort of simple imperial-to-metric converter application for myself, but I seem to have hit a snag. I've got the UI built, and the logic for one of the calculations built, but the button to make it all happen is giving me a problem. [CODE]import … |
 | Hey folks, I'm a student and I have been using Blue J. I have found it rather primitive and was wondering what the majority of other java programmers like to use? I thought about Net Beans but I honestly have no idea, So what do you use ? |
| | Anyone got codes for the ff.? Frequency count Stack and queue Conversion of infix to postfix using stack binary search tree Anyone? my prof asked us to search for the ff and i thought this would be the best site with the best codes. thanks |
| | I've recently come upon a frustrating Array Index Out Of Bounds error when selecting any of the "calculations" to be applied to the entered values(maximum 1000 values). I suspect it to be a problem with the [CODE]values[(c+1)][/CODE] in the for loop. I can't figure a way around this problem. Can … |
| | Hello, I have a current assignment to make a program copy what is put in, and place it into a paragraph using word wrap. If there is no room for the word+ a space then print the line and that word+ space starts the next line. [code] public class ReportWriter … |
| | Hi! Basically what im trying to do is to add a JPanel onto another JPanel that has painted graphics on it using the paintComponent() method. But the JPanel I am trying to add is not shown because it is covered up by the JPanel w/ Graphics on it. How can …  |
| | My program is a implementation of the Sieve of Eratosthenes algorithm, which finds primes number. It stores two integers up to the maximum, and all odd numbers from 3 upward. It also checks if, for whatever any reason the first number ever reached the square root of the maximum number, … |
| | hello, i wrote a code to encrypt the 4 digit number. i broke the number in digits and encrypted it. It works fine. But the problem comes when first digit in output comes 0. that time i get 3 digit number instead of 4 digit number. i want it to … |
| | Hey, I have completed my code for Java and I have to put it in GUI, problem is I dont know a thing about GUI or if my program works correctly with it or not. Here is my code and what the code does is you type in random numbers … |
| | Hello I am trying to connect to an access database, i have tried using the[CODE]Class.forName("sun.jdbc.odbc.JdbcOdbcDriver")[/CODE] but this does not work. I am using Eclipse IDE and running windows 7 64bit. Does anyone know how to make it work? Thanks |
| | Hello everyone- I'm currently working on a GUI solution for a school assignment which creates a tabbed window with only the 'Pool' tab actually populated. I have successfully created all of the labels, textfields and buttons for the 'pool' pane, but I am really struggling with setting up the listener … |
| | I am new to Java I wrote a code to find largest number [CODE] import java.util.Scanner; public class LargestNumber { public static void main( String args[] ) { int number,largestNumber; Scanner input = new Scanner( System.in ); System.out.print( "Enter 10 numbers to compare" ); for( int counter = 1 ; … |
| | I have to input a directory in DT, then have Directory recursively return a list of files and folders in that directory. My problem is that at the moment my program is only returning the first file in the directory and then ending. I know that I'm doing my recursion … |
| | This bug is killing me. I have no idea what I did wrong. My friend has it the exact same way. This program reads a txt file and reads each line which has a request in it EX: Matt Smith;Event 1;2009;March;29;11;120;40; We take the request cut it up according to … |
| | I am trying to multicast video using java. i tried jmf with rtp. but i need to sign send them as packets and authenticate them before playing. is it supported in jmf with rtp? or is there any way to play a incomplete video file. thanx in advance for ur … |
| | hi i want to do a facedetection project for attendance on which platform i do that and can u give some resource that from where i get direction that what i have to do |
| | Hello, i'm beginner in eclipse and i try the helloWorld.java with Eclipse After creating the JAR file, if i click it, i have an error message: [CODE]Failed to load Main.Class manifest attribute from D:\Ecipse\workspace\HelloWorld\[/CODE] I don't understand why i can't launch my HelloWorld.jar My java version is 6.1.7.600 and i … |
| | Hey! I'm working on this program that generates 100 random numbers and stores them in an array. This is the unsorted array. Then I use those same random numbers and try to make a sorted array. And it's supposed to be is ascending order like 2,4,6. Only 5 numbers per … |
| | Here I am creating the objects and try to print them,I have differnt classes for date and Employee.The objects EmplObj and EmplObj2 ,are created but I have problem when I tried to print them ,it is printing only the first one [CODE] public class tester { public static void main(String … |
| | Hi!. Well, we have an assignment, and we will make a program in which I will be selecting a subject from the JComboBox, and when I have my selected subject. It will appear in the Text Field below the Combo Box. any ideas? //not the codes :) [CODE]import java.awt.*; import … |
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