32,199 Topics
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| | My problem is let suppose my dataset is {A,B,C,D,E} and suppose my partition size is (2,3) Result would be (A,B) (C,D,E) (A,C) (B,D,E) (A,D) (C,B,E) (A,E) (B,C,D) (B,C) (A,D,E) (B,D) (A,C,E) (B,E) (A,C,D) (C,D) (A,B,E) (C,E) (A,B,D) (D,E) (A,B,C) I need to print all the possible combinations for the partition …  |
| | Hi Everyone, Is there anyone who can help me with Ordered Binary Decision Diagrams in Java. Do you know how to draw a simple Ordered Binary Decision Diagram usinh Java? Any help will be appriciated. Thanks |
| | This calculator performs two digit task successfully but what do i need to alter it i want it to evaluate 3 digits [CODE] public class Calculator { private long currentInput; //current input private long previousInput; // previous input private long result; // result of calculation private String lastOperator = ""; …  |
| | Allow me to ask you about the project that I'm working.Send me some important ideas that helpful please!! My project is all about different system.  |
| | Hey, everyone. My goal here is to be able to load a 3x4000*4000 multidimensional array, modify it, save it, and QUICKLY access it (as if accessing a 100x100 array). I'm not really sure how this works in the JVM but...I mean I'm at a loss. Would making a single int[] … |
| | when i am trying to use delete button on my frame it is showing such exception and stack trace is here java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer at MyFrame.actionPerformed(AcctHld.java:225) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2012) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2335) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:404) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:253) at java.awt.Component.processMouseEvent(Component.java:6099) at javax.swing.JComponent.processMouseEvent(JComponent.java:3287) at java.awt.Component.processEvent(Component.java:5864) at java.awt.Container.processEvent(Container.java:2109) at java.awt.Component.dispatchEventImpl(Component.java:4460) … |
| | I want the to calculate the value of user input by multiplying the number by it the increment i.e. if input is 5 then calculation should be 5*1*2*3*4=120, I have tried but so far not successful any help will be appreciated. The code is below: [CODE] import java.util.Scanner; public class … |
| | Hi everybody, I have been having trouble with the output of a set of points for my triangle program. When I run my program, it outputs in the end "triangle1 coordinates: Vertex A is java.awt.Point[x=12,y=13]" and I have no idea how to format it to hide the "[B]java.awt.Point[/B]" part. Any … |
| | What is Socket Programming in Java? Please give me some idea about it. |
| | [code]import java.util.Scanner; class example{ public static void main(String args[]){ Scanner in = in.next(.charAt(0)); char ch=''; if(ch>='A'&& ch<='Z') { System.out.println("the character is uppercase"); } else if(ch>='a' && ch<='z') { System.out.println("the character is lowercase"); } else { System.out.println("some special character"); } } }[/code] plz tell me the way to accept a character … |
| | Hi I'm new to GUI. Ive created a calculator but i dont know how to get the number from the textfield and calculate the answer. Can u suggest ways i can do this. Thankyou.  |
| | how to do this?? 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 plis help! |
| | I created a quote generator and when i click on a person's name, it prints out a random quote of theirs. Now the person has 20 quotes all stored in its own array. How do I get it to print out random quotes tat have not been used, once tehy …  |
| | for serious thing , I have one question can someone explain or prove this : 22 divided by 16= 10 modulo 23. the answer must be 10. |
| | [code]import java.awt.*; import java.applet.*; import java.awt.Event; import java.awt.event.ActionListener; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; //private Connection connection=null; //private Statement st=null; //private ResultSet rs=null; public class Example extends Applet implements ActionListener,Connection { public void init() { Connection con=null; Statement st=null; ResultSet rs=null; String qa="insert into demo1 values(' ',' ',' … |
| | hi, Im am new to smack-api and im going to create a xmpp client for voice chat using smack-jingle extension.in here im gonna use ICE transport with customized Jingle media manager. problem is. smack jingle extension doesn't have proper documentation for making voice call using Jingle protocol and also the … |
| | I want to do a project on Java. But I do not have any idea net based application in Java. I mainly want to do an application like messenger in Java. I had done a GUI application in Java using My SQL database server. But now how can I start … |
| | i have a program that has a database in access and i want to update data but when i click on update button on my frame nothing happens no error no exception and no work. here is my code [CODE]bUpdate=new JButton("Update"); bUpdate.setBounds(275,600,100,50); c.add(bUpdate); bUpdate.addActionListener(this); public void actionPerformed(ActionEvent ae){ Object o=ae.getSource(); … |
| | Given the coin denominations 1, 3, and 5, what is the minimum number of coins needed to make change for a given value? Hint: Value 1 2 3 4 5 6 7 8 9 10 Min. no. Coins 1 2 1 2 1 2 3 2 3 2 Parameter to … |
| | I am writing a Java program, and I need to be able to call these two methods, but I'm kind of confused. These methods need to be able to match the following data: This would be a sample input if what I am checking... LASTNAME "Rosemont" # LASTNAME "Rose Mont" … |
| | Hi, could someone tell me what's wrong. The code works for the data set, answers but doesn't for data set answers2... the program crashes after displaying the data set2 and never gets data set 3, I will appreciate any help. Thanks. [CODE] import java.io.*; import java.util.Scanner; import java.util.*; import java.lang.*; … |
| | i have to write a program for generating 20 tosses of a die and then grouping them by placing parentheses around them like this: 1 3 ( 2 2 ) 3 5 2 ( 6 6 ) 5 ( 1 1 1 ) ( 4 4 ) 2 3 ( … |
| | how i can convert my java code I do to a setup program work in other computer with example and please don't tell me use java launcher |
| | Hello All , I work in project make share screen and remote access between client and more viewers I have Some problems in this project first : sending image i use WCF to connect client with viewers and achieve that more viewer can see and control the client screen second … |
| | I am trying to load a background in full screen mode, but when i run my program the screen is just white. Can someone point me to the reason why? [CODE]import java.awt.*; import javax.swing.*; public class DrawComponents { GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsDevice device = env.getDefaultScreenDevice(); GraphicsConfiguration gc = device.getDefaultConfiguration(); … |
| | What is the best algorithm for finding the number of integers divisible by X? I can easily do a: [code]for(num=1;num<maxRange;num++) { int result = 0; if(num%Y==0) { result++; } }[/code] but what if the maxRange is a really huge number (say a 9 or 10 digit number)? I need something … |
| | How to Align This Perfectly Blueberry Muffin 1.45 Strawberry Bagel 0.80 Lite Yogurt 0.75 Vanilla Ice Cream 2.75 Hash Browns 2.50 Toast 2.00 French Fries 1.50 Onion Soup 3.00 Coffee 0.90 Iced Tea 1.00 Hot Chocolate 1.75 Here is my code. [CODE] import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.awt.event.ActionListener.*; … |
| | I did a program that connecting to database then show data and user can ( add or remove or update ) data but my problem that program take a little time to be ready how i can know that time and make notification for user to use program now or … |
| | i keep getting this: Exception in thread "main" java.lang.NullPointerException at javax.swing.ImageIcon.<init>(ImageIcon.java:205) at Pinopoly.diceRoll.<init>(diceRoll.java:17) at Pinopoly.board.<init>(board.java:26) at Pinopoly.board.main(board.java:38) Java Result: 1 i used: dice1.setIcon(new ImageIcon(getClass().getResource("/new/dice1.jpg"))); the image is in the same folder as the java files. what could be wrong? oh and i tried changing the image and it worked. |
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