32,204 Topics
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| | The program needs to read an excel file that contains a list of data (a list of students, thier module mark, student ID) The data needs to be presented in the following format: User ID : Name : Module ID : Mark The program also needs to have a menu … |
| | I am writing a code which gives different colors to key works. I have written following code which will compare with key word say "ABC" when ever it finds "ABC" it will make it into blue color else red color.I am not getting whats wrong in my code. private void … |
| | Create 2 Thread classes.One Thread is Incrementor and has one variable cnt1 with initial Value 0. Incrementor thread increments value of cnt1 by 1 each time. The other thread is Decrementor which has variable cnt2 with initial value 100. Decrementor thread decrements value of cnt2 by 1 each time. - … |
| | Hi guys, I've a problem to import the jar file "[I]JFXBuilderRT1.jar[/I]" into [B]NetBeans 6.8RC1[/B]. I tried by add it to libraries, but with no good. Could someone tell me what to do??? Thanks [EL-Prince] |
| | Tired of parsing all the source code involved in building mobile apps? Or perhaps the approval process for Apple's App Store is getting you down. Or maybe you're an aspiring commercial developer in search of the next must-have platform to tap. If you think Android might be the one, then … |
| | The program is suppose to run through a list of strings. The stings are then put through a hash function (which works fine) and then "hashed" (for lack of a better word). The index is suppose to be an array of linked Lists to handle collision problems. I guess the … |
| | Hi, I have 4 classes , 1 is the base class and the other inherts from it, it worked fine when compiling .. I tried to make them as a package , it works fine with the superclass but it doesn't with the other classes, It always gives me cannot …  |
| | who can I read the RUN ? Hi to all . I now start learning the java language . I have this program : [CODE] import java.util.*; class WTime { public static void main(String[] arguments) { GregorianCalendar now = new GregorianCalendar(); int hour = now.get(Calendar.HOUR_OF_DAY); if (hour < 12) System.out.println("Good … |
| | Alright, well I am getting the ".class expected" error. I cannot figure out what it is nor is google helping much either. [code] public class Driver { public static void main (String[] args){ Scanner scanIn = new Scanner(System.in); Deck deck = new Deck(); Card[] hand = new Card[5]; Shuffle shuffle … |
 | I always love to learn programing via Music/video players once I grasp the basics. How easy it is to do it, especially using windows DLLs or even Java libraries :) Thanks |
| | i am having trouble putting together all the pieces of the puzzle to work together in harmony. My final project is simple,i have a jlabel with the question of how much does your dog weigh, I have a button and a jtextfield, the user enters the amount of there dog, … |
| | I have a poker game that mostly works. When I run the program, the players only get Flush and Straight Flush hands. [CODE=syntax] public class Card { private String face; private String suit; public Card(String cardFace, String cardSuit) { face = cardFace; suit = cardSuit; } public Card(Card c) { … |
| | I did make some attempts to search for this problem but was not sure exactly what to search for and being after 1AM my eyes wouldn't take reading through the 11+ pages of unrelated search results, so I will just ask the question... New to Java, want to use one … |
| | Hello, I am using Blue J, I have 3 classes, time, date and patient. When I run the patient class, I can put patient details like name, address, DoB, time. The time and date classes are separate classes, how can I store the date (int) and time which I enter …  |
| | I made a poker game and when I run it I get these errors... [CODE=syntax] Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at PokerGame.Hand.getPairs(Hand.java:82) at PokerGame.Hand.whichHand(Hand.java:28) at PokerGame.DeckOfCards$1.actionPerformed(DeckOfCards.java:67) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236) at java.awt.Component.processMouseEvent(Component.java:6263) at javax.swing.JComponent.processMouseEvent(JComponent.java:3267) at java.awt.Component.processEvent(Component.java:6028) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4630) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4460) … |
| | hi, ive got a final year project to do. its lik monitoring if any data leakage is happening on the network/system. would like to enquire if is it possible to do such a system using java? thanks. |
| | Hey Everyone, I am seeming to be in a spot of trouble. I am using the following code to read a HTML page, loop through it line by line. problem is it is around 7300 lines and takes about 20 seconds to finish the loop. I was wondering if anyone … |
| | Hi. I need some help. Below is given a snippet of Java code. [code=Java]deptList = new JList(deptName); add(new JScrollPane(deptList)); deptList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); deptList.addListSelectionListener( listSelectionListener); } ListSelectionListener listSelectionListener = new ListSelectionListener() { public void valueChanged (ListSelectionEvent e) { if (e.getValueIsAdjusting()== false); callback.tell(dept[deptList.getSelectedIndex()]); } }; [/code] When you run it, it creates 2 windows. … |
| | I am consuming a webservice which takes in 10 parameters. The aim of the call to the webservice is to obtain a Task ID.All the parameters for the call are supplied from a JSP page(using JSF). The following is the web service call [CODE] return mySoap.addTaskToProject(ticket, projectId, srcLangId, tarLangId, componentId, … |
| | [code] package squishgame; /* * The player class allows for a player to be created with: * a name * a location on a grid (0-10, 0-10) * * The player can move North, South, East, or West but will not move off the * grid (must stay within (0,0) … |
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| | i have a problem in a java program. : "accept a number and print the sum of digits." can anyone help me out??? |
| | hi, i receive an error on this line -- if (salesPersonsName <! "end") -- error : operator ! cannot be applied to java.lang.String what can i do? thanks |
| | How do you write a driver class? i've never used one before and its sort of dropped into the spec of this program. It uses public static void main(String[] args){} right? i have 4 other classes, so what should i do?  |
 | Hai Friends, Am programming in java swing, am using scrollane with scrollbars, i want to move the scrollbar at the middle of the panel at starting,am used setvalue but it not setting the given value. please reply me the solution for this problem. |
| | So my code does everything I want it to do with the exception of when writing to storage I am not sure how to make true and false write as 1 and 0 respectively. I do not know if it's my syntax or my placement within my program...Kind of lost …  |
| | Dear JavaFans, I notice that if you use FileOutputStream and FileWriter to write a string into a textfile (.txt) , the Java i/o implementation doesn't seems to recognize the syntax \n which is the newline function. Anyone facing the same problem? The output text file will simple display all strings … |
| | Hi guys, Firstly, thanks for the great community, have been lurking for a while and have picked up a lot of help from existing threads. I am making a small program which takes some inputs as strings, i then need to display a list of these inputs, be able to … |
| | [code] package squishgame; /* * The stop watch class will allow a program to start and stop a stopwatch as * well as return the stopwatch as a string, a total ms's, or the hour, min, and * seconds separately. * * The System.currentTimeMillis() returns the number of milliseconds since …  |
| | Basically, this program checks if a word (String s) is a palindrome and prints out "true" if it is and "false" if it isn't. I am currently getting three errors: "unexpected type" at line 17, "incompatible types" at lines 30 and 32. [CODE=java]/** * @(#)palindrome.java * * * @author * … |
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