36,051 Topics
 | |
| | Ok what I have currently is the blelow code in a for loop and this works fine it just doesn't format the text. [CODE] outString = outString + " " + i + " " + numArray[i] + "\n";[/CODE] I am trying to format the text of i to right … |
| | Good evening, everyone! I'm currently writing a game for a class, and I'm attempting to add a few extra features that aren't required. The one that is giving me difficulty is the high scores. I am saving the score and the name as a string. When a game ends, it … |
 | Hi all, please help me connecting exit menu to OnExit event handler Here is what I have coded so far! Also a coding question: What is the best method between these two: 1. Creating instance of JFrame and call its methods like set Size 2. create class that extends JFrame … |
 | Hello all, As you may know by now, from my previous posts recently, I am working on a Paint application. My question, then, surprisingly does not involve Graphics or Swing. So my question is this: I would like to be able to have a directory such as "APP_HOME\tools" or something … |
| | Hi I need to download a file from a http server which askes for user id and password to login. can someone help me out in downloading the file and place that in a database table. Thanks in advance Neela.V |
| | hi everyone i have a problem in my project that i have made pleaze help!!!!! this project allows the user to read words and their meanings from file and store them in AVL tree and then print the tree inorder, postorder, and preorder then print the result to file in …  |
| | Hi i'm new here in daniweb i would like to ask about my program i'll make a program that show if the word is palindrome or not can you correct my program when i complie my program its say Process complete then when i run the program it doesn't show …  |
| | please help with the following 1) i have created a simple java software using netbeans and want to finalize it by making a setup for it or a software that can be used like offered on the web. all i know is to use it as the netbeans project folder, … |
| | I'm trying to To create a Student object, the class constructor takes two arguments: a student ID (as a String) and a student name (as a String). I need to add courses to the student record, I need to use the method setCourseGrade. I need to retrieve the grade of … |
| | Hi- I want to use a sentinel value (-1) to end the loop of a program after the user has entered all of their data. However, how can I output inbetween each instance of the loop? Then, at the end, how can I will have an average of all entered … |
| | I am writing an application for class. The user is prompted to enter a number, then select what to do what that number. I'm using JPanel and JOptionpane for input and console for output. The application is supposed to: prompt for input, ask for what to do with the input, … |
| | How can I get this output by running a for loop the logic is that after the multiples of 2, "This" will b printed, after the multiples of 3, "Is" will b printed and after the multiples of 5, "Java" will b printed. pls help with code 1 2 This … |
| | Currently I am trying to read from a file using java and it is just producing errors. I need help with this as I have been unable to fix this myself and have come to a wall with this. Could you just take a quick glance over this and see … |
| | Hi I have a project where when you input text into a textarea if a certain word is put in I need to change this word I'm having real trouble with this Here Is what I have so far but it will not reconize some of the words [CODE]/* import … |
| | Hi, In a terminal program I'm writing values are inputted and stored in a pair of arrays. At one point in the program I need to print them back out. My problem is that if I input 1.10, Java gives me 1.1. I really need it to print the zero … |
| | I tried and succeeded in pulling out the info from the ms access database tables. But I am not able to pull out the images. They are in the text form. Is there any way to overcome this this is my code: [code] <html> <body> <%@ page import="java.sql.*,java.awt.Image" %> <% …  |
 | Hello, i have to do a project that presents a form with 3 text fields like this [img]http://i47.tinypic.com/1jsw44.jpg[/img] type 2 numbers and then the symbol(+,/,*,-) and do the appropriate action. I am using [B][U]Tomcat 6.0.[/U][/B] I've done so far: [B][U]#[COLOR="Red"]simple.html[/COLOR][/U][/B] [CODE]<html> <body> <form method="post" action="simple.jsp"> Number_1<br> <input type="text" name="value1"><p> Number_2<br> … |
 | Hi, I am struggling with a Layout problem. Here is the definition of the problem:- 1) I have a JFrame where I specify space alignment in GroupLayout for JScrollPane as per the other (JButton/ comboBox etc..). My JScrollPane contains a JTable. I use get and set methods to set scrollpane … |
| | I'm trying to make a valid 9 X 9 sudoku set. I tried it by making blocks of 3X3 and checking for the rules of sudoku on the way as i made other blocks. The code works for like 4 blocks(sometimes 1) and then it freezes. Need help. [CODE]import java.util.Random; … |
| | this is a small example that, i hope reflects the larger project that i am working on. i am making a board game that uses a combination of mouse listener and jbutton action listener for the player to move. when it is time for the computer to take its turn, …  |
| | Hey. I have been trying to do a drafts board, but i am having major problems with adding the pieces. Heres my Board. Any Suggestions?? [code] import java.awt.*; import javax.swing.*; public class Board { protected JPanel[][] squares; protected JFrame boardFrame; protected Container container; public void paint (Graphics g) { } … |
| | I use netbeans but was wondering if anyone knew how to add a Java compiler to visual studio 2008? |
| | Hey. Im having problems adding my Jmenubar to my board. It compiles fine just wont display. Any advice really appreciated. Thanks, Pd [CODE] import java.awt.*; import javax.swing.*; import javax.swing.KeyStroke; import java.awt.event.KeyEvent; import java.awt.event.ActionEvent; import java.awt.Font; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JPanel; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JTextField; import … |
| | Cud u pls pls help in writing a java code to find execution time of application programs like word??? |
 | I'm trying to create a boggle game. I have it so it will setup the board and accept user input. What I am trying to do now is get rid of the "[" braces "]" and the commas to give it a cleaner look and to hopefully make it easier … |
| | public class Average { private double [] Score; int index; public Average(double [] s) { Score = new double[s.length]; for(index=0; index<s.length; index++) { if(Score[index]>100 && Score[index]<0) Score[index]=s[index]; } } public double getAverage() { double total=0.0; double average = 0.0; for(double value: Score) total+=value; average= Score.length/total; return average; } } the … |
| | Can someone please tell me why "int can not be dereferenced" here. contents += cart[i].toString() + "\n [CODE]// ********************************************************************** // ShoppingCart.java // // Represents a shopping cart as an array of items // ********************************************************************** import java.text.NumberFormat; public class ShoppingCart { private int itemCount; // total number of items in the … |
| | Hi Daniweb I'm not really new, I've been lurking on the site for a while now, and I've suddenly felt the urge to start contributing. Of course I need to actually have something worth while to contribute.... Anyway, I'm java and C++ programmer (depending on what I'm working on) and …  |
| | [CODE]import java.util.Scanner; public class MathTutor { Scanner input = new Scanner(System.in); int numQuestions; int choice; int numCorrect; public MathTutor (){ numQuestions = choice = numCorrect = 0; } public int getNumQuestions(){ { System.out.print("How many questions? "); numQuestions = input.nextInt(); if (numQuestions < 1) { System.out.println("Invalid - must ask at least … |
 | Hi, I first convert the image on the server application in bytes: [code] //server public void sendImage(File file) throws IOException { ByteArrayOutputStream baos=new ByteArrayOutputStream(1000); BufferedImage img=ImageIO.read(new File(file.getAbsolutePath())); ImageIO.write(img, "jpg", baos); baos.flush(); os.write(baos.toByteArray());// this is a "new DataOutputStream(clientSocket.getOutputStream());" System.out.println("Done! Length is:"+baos.toByteArray().length); baos.close(); } [/code] Then my application freezes when trying to … |
| | im using a JFileChooser to find a file from anywhere on the system and load it but i also need to be able to export the data within my program to an unknown location, how would i go about doing that?? is it simular to the JFileChooser? any help would … |
| | I am a beginner to java and i find it very difficult. can someone please help and tell me how you identify a main method in an application and also how do i make a jbutton call a certain method and output it to a text field? please explain with …  |
| | Hey guys iv got this project to make an address book that has all kinds of functions and iv got them all working apart from one bit, it needs to be able to read a file when it opens as well as import other data from other files. The data … |
| | I have used crypto class of javax to encrypt and decrypt the string. It works fine for few cases but for few it returns null. I am not getting the exact reason for this. kindly guide me. Here is my code[CODE]public String decrypt(String str) { try { // Decode base64 … |
| | I need a java code or algorithm for converting eNFAs to NFAs. This is our project for our automata theory class and our prof said that it would be alright to get codes from other people as long as we fully understood how the program works. Please help me and … |
| | Hai Friends, Iam using swing application in my project with short cut keys to perform some action, it takes few seconds to process(retrieve data from server to client) ,when i press the shortcut key for three times means the action is performing thrice, i want to perform single action.is there … |
| | As i am new to jsp, i need a solution for to connect login page with the database which is having username and password.  |
| | hi, I have written my first pom.xml and on making a build it says, u are using java 1.3 you need 5 or above. I only have 1.6 installed in my system, Can anyone please help me, please tell me where do I need to check, I have checked all … |
| | Hello, I'm working on a bluetooth chat application project called 'BlueChat'. I coded the server (BServer.java) and client (BClient.java) parts (2 separate threads). The visual part is called BlueChat.java and allowes the user to select to be the server or the client. I wrote a lot of System.out.println("")'s to check … |
| | hi dear, I am also doing the same project . Could you help me |
| | dear friends, I am working on small project for that i am making a setup from install creator and launch 4j after creating a jar file. But in that step .exe file is needed . pls help me to create a .exe file. thanks & regards shashikant |
| | Hello there, I am working on an assignment for school and I am having a hard time understanding the concept of an array of objects. I am required to create an array of Music objects so that I can search through them via a binary search and make changes as … |
| | Hello everyone, I created a Java Class that retrieves files in a specific local drive\folder. Then I was able to retrieve it from the JSP page. Can I ask what is the best approach to create a JSP recordset paging (previous, next, page 1,2,3...) without using the database? For example, … |
| | I need to make a sorting algorithm. The program takes an input file that stores the information into an array: the array has student's name and a personality type. The personality types are: enum values Realistic Artistic Social Conventional Then once it takes an array, it sould divide the main … |
| | these are all my codes and im trying to make shapoes in myshapetesrer2.these are the directions i have to follow but i dont kn ow if i did tem right any help? Write an abstract class: ColoredShape A ColoredShape has a position (x and y coordinates that are integers) and … |
| | Hey I want to simulate a knight moving in my Knight Tour Gui, this is the display code, the moves are stored in the arraylist moves. [CODE] public void display() { for(int i = 0; i < moves.size(); i++) { //Gets the correct button JButton button = square.get(moves.indexOf(i+1)); button.setText("" + … |
| | Hello, I'm trying to develop a chat application [I]over internet[/I]. First I want to send just strings... later files. I want to have a client that is a java applet that connects to the server - a java desktop application. I waould like to send files later over applet and … |
| | I'm having problems generating CPU turn; preferably with AI, and also draw between player and CPU. [CODE] jButton1.setEnabled(false); boolean Userturn = true; JLabel[] label = new JLabel[9]; label [0] = jLabel1; label [1] = jLabel2; label [2] = jLabel3; label [3] = jLabel4; label [4] = jLabel5; label [5] = … |
 | Hey guys, basically what i'm trying to do is take each line from two text files and store them into two variables, salt and original. I then want to pass these 2 variables to a different method called: crypt(String salt, String original) How would I go about doing this? Many … |
| | hi, i have seen a code through some body on this site and apply it , it was working correctly but it no not on the site know can anyone please tell me the code of it ,the code was about 60 lines long  |
The End.