36,051 Topics
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| | 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 … |
| | Hi Friends, I have a web app developed using JSP and running under Tomcat Apache. The application works fine but when a big load of users is logged in at the same time, some users will get other user's session (the user is also currently logged in). What can be … |
| | 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 … |
| | Hi, I am using tomcat to run jsp file, my question is how can force my server to create log file ? I'm new into tomcat, so please be gentle. Thanks  |
| | 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 … |
| | I need used one button to change the state of the light, and the light should have green, amber, and red lights and cycle through green -> amber -> red -> green each time the button is pressed. My code [CODE]import java.awt.Color; import java.awt.Component; import java.awt.Dimension; import java.awt.Graphics; import java.awt.event.ActionEvent; … |
| | I need to create a program that prompts for the lengths of a triangle and computes it. I have the equations figured out (bottom of code). What I am stuck on though is, well, getting it to work. Any help here would be FAN-FREAKING-TASTIC! PS. I won't lie, this is … |
| | hi... i have multiple buttons in a jsp page .. consider a department page where i have 3 textboxes--- 1- dept number 2-dept name 3-dept location below these i have 7 buttons--- 1)next 2)previous 3)last 4)add 5)edit 6)delete 7)save when i click on the button how do i get results … |
| | Hii, After performing a logout action, my index page is continously refreshing, or it tries to load that page. Can you suggest a solution for this. It happens only on IE and I'm using struts1.3.8..... Thanks in advance |
| | this is a far stretch but i found this fourm online and i thought i'd give it a shot since i dont know where else to turn to... I tried my best to implement the array into ascending order but i'm not sure if it's correct. I needed it to … |
| | Hi, I am getting the following errors: HelloWorldApp.java:54: <identifier> expected public static Vector<int[]> breakTheMovementVector(int i,int j){ ^ HelloWorldApp.java:102: ';' expected } ^ 2 errors [CODE] import java.io.*; import java.util.*; class HelloWorldApp { public static void main(String[] args) { try{ // Open the file that is the first // command line … |
| | hi, i have searched online and can't seem to find something I understand for a timer. I have a boggle game that needs to have a 3 minute counter so I figured I'd have a countdown from 3 minutes...but the only thing I've found in other peoples codes and the … |
| | Hey Guys, I have the following code: [CODE] class A { int a,b; A(int i,int j) { a=i; b=j; } void showab() { System.out.println(a+" and "+b); } } class B extends A { int k=20; void showabk() { System.out.println("a="+a); System.out.println("b="+b); System.out.println("k="+k); } } class Test { public static void main(String … |
| | Hey, I'm fairly new to java. I was hoping someone could give me a pseudo code like description of what I'm trying to do so I know where to start my researching. In my program: -Users will register a username, password, and weblink to their account. -There will be restrictions … |
 | See Attachment. The instructor of my class gave us method names, variables, etc so i had to follow what he required. My question is this: How do I check if an area is occupied by an object or how to know an objects location in the grid? I've coded everything … |
| | i have sms gateway but i dont know how to implement it. i have a usr path which i have to pass from browser without seeing to user..can u send me code and tell me how to implement and solve this problem |
| | I am trying to learn java. I want to know whats the best way of doing it? For example I got the code for setting up a TCP server in java which sends the data given in string. Now I want it to send the data dynamically to the client … |
| | i have a project that i want to do and i was wondering if it can be done using Aglets. As i understood from an article about Aglets, we can create many servers by assigning different port numbers to each. but all the servers will the have the SAME ip … |
| | Hello, i would like to know how to implement the FileNotFoundException in my code. my code concatenate files from a Folder, it's working well even if there is no file. So i want to throw a message something like 'There is no file in the folder" If there is no … |
| | How can i run my Subclass where my GUI code are written from my Main Class?What codes should i write in my main class??Here are my codes: Main Class: my main class is blank because i really dont know what to write. [CODE] */ package classpkg; /** * * @author … |
| | Hey, I'm trying to build my own calculator piece by piece, and I've currently got it to the stage where it'll add positive integers. Anyway, at the moment I'm trying to incorporate the keyboard into the program. What I've done is made is so that only my form can have … |
| | hi, i try to run java program with ProcessBuilder but it works only with .exe file and with .jar or .java i use netbeans 6.9 why please? [CODE]import java.io.*; public class Mani { public static void main(String args[]) throws IOException, InterruptedException { try { Process p=Runtime.getRuntime().exec("javaw -jar D:\\NetBeansProjects\\GetIPAddress\\dist\\GetIPAddress.jar"); } catch(IOException … |
| | Hi Guyz I am making a Software for my friend Gold Shop ... Which Convert Units and Calculate Prices.. I want to make Jar file.. I made it by searching it on google but it doesn't include images i used in project [quote]BufferedImage image; image = ImageIO.read(new File("C:/img/gold.png")); .setIcon(new ImageIcon("C:/img/con1.png")); … |
| | Hey Guys, I have the following code. [CODE] public class Main { static int a = 3; static int b; static void math(int x) { System.out.println("x = " + x); System.out.println("a = " + a); System.out.println("b = " + b); } public static void main(String[] args) { math(100); } static … |
| | Hello, I am final year student.I am doing project on Remote Desktop Viewer and Controller in JAVA. Similar to Team Viewer .I want to add some New Features that are not in Team Viewer.[B]So plz suggest some new features that can be added that are not in Team Viewer.[/B] [B]Also … |
| | I am working with mobile agents, i got two .java files: HelloAglet.java and MyDialog.java they both depend on each other, i put them both on the desktop (same directory) and im trying to compile them using the following command: %JDK_HOME%\bin\javac -d %AGLET_HOME%\public -classpath %CLASSPATH% *.java and im getting the following … |
| | I don't know why but nothing is appearing? I suppose to have a applet of a house. [CODE]import javax.swing.*; import java.awt.*; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.*; import java.applet.Applet; import java.awt.Graphics; public class color extends JApplet { public void init() { addMouseListener(new MyMouseListener()); getContentPane().setBackground(Color.white); } public class MyMouseListener implements MouseListener … |
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