32,199 Topics
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| | I have socket connection which keep reading data and then it will send it via a queue for next processing in another thread. I notice at times it just stop sending data to the queue. I will print this System.out.println("\n\nSending TO QUEUE : "+message); and stop but I do not … |
| | I needed to implement a simple cyclic graph in Java so it have nodes in such a way that it can be implemented to represent adjacency matrix or list. Any advice or resources to hep me start implementing this would be much appreciated! Many Thanks |
| | So my code is suppose to get information from the user and figure out how much funding the two professors get. My code runs twice but for some reason only the last entry is saved and outputted and my formula for calculating the new funding only outputs zero for some …  |
 | Hey I have a folder in my current working path and I want to make a copy of a file inside it to the the current working path. Its kind of a dumb question, I know, but how do it do it? Thank you. |
| | Hey I have this following code: [code] try { // Connection props Properties props = new Properties(); props.setProperty("mail.smtp.host", host); props.setProperty("mail.smtp.starttls.enable", "true"); props.setProperty("mail.smtp.port", "25"); props.setProperty("mail.smtp.user", usuario); props.setProperty("mail.smtp.auth", "true"); // Prepare the session Session session = Session.getDefaultInstance(props); // Constuct the message MimeMessage message = new MimeMessage(session); /*Test*/ message.setHeader("Content-Type", "multipart/mixed"); message.setFrom(new InternetAddress(CorreoOrigen)); message.addRecipient(Message.RecipientType.TO,new … |
| | Hi All, I wonder if anyone can help - I have been teaching myself Java GUI programming using a Mac running OSX Lion and Netbeans 7, and have followed the tutorial: [url]http://netbeans.org/kb/docs/java/gui-functionality.html#Exercise_2[/url] When I run the program, it builds and compiles fine, but only appears when I choose the command … |
| | I'm send sound between two clients via UDP server Socket , How i can make users not feel the delay of sound ? |
| | Hello all, I have a code to encrypt data in C# and I want it to b decrypted in Java... following is the C# code [CODE]string Encrypt(string textToEncrypt, string key) { RijndaelManaged rijndaelCipher = new RijndaelManaged(); rijndaelCipher.Mode = CipherMode.CBC; rijndaelCipher.Padding = PaddingMode.PKCS7; rijndaelCipher.KeySize = 0x80; rijndaelCipher.BlockSize = 0x80; byte[] pwdBytes … |
| | Hi everybody. I have a class Sudoku. And puzzle stores 2D array of type Cell. [CODE]public class Sudoku implements Iterable<Cell []> { private Cell [] [] puzzle;[/CODE] What I want to do is to iterate through the puzzle in different class (SudokuValidator): [CODE]public class SudokuValidator { private Sudoku puzzle;[/CODE] how … |
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| | program can receive an input value is between 0-9 and then print the multiplication table for its : example if input :7 output : sifir 7 1 x 7 = 7 12 x 7 = 84 please help me.... |
| | Hi, On windows, i don't see a maximum button on my JDialogs and this is fine, but on a Mac I have this dialog that people can keep up and use other windows, but you can also maximize a dialog on a mac apparently. There is a maximum button. At … |
| | I've been programming in Java for a few years now, and I've always wanted to be able to run my programs on computers without the JDK installed. I've been trying to make an executable .jar file, and it seems to work on my computer(the one with JDK installed). However, as … |
| | [CODE] import javax.swing.JOptionPane; public class Finance { public static void main(String[]args) { boolean Access = false; String studentName = JOptionPane.showInputDialog(null, "Enter in your name: "); //String current = JOptionPane.showInputDialog(null, "Enter your password: "); //double currentBalance = Double.parseDouble(current); Account newAccount = new Account(studentName); //Gains access to Account class JOptionPane.showMessageDialog(null, newAccount.toString()); } … |
| | I want to read from the keyboard the first name and last name of a member separated by space I have tried the following but it doesn't work. [CODE] public static void updateWeight() { Scanner in = new Scanner(System.in); // Creation of a new Scanner object String tempName = ""; … |
| | Hi, I'm trying to read a file, line by line, into an arrayList, assigning a different line to each element and ensure that: 1. It's actually happening (which is the reason for the println statements) 2. that the scope of the arrayList with the string elements filled in is sufficient … |
| | Hi Guys well what I want to do is instead of within my writeString to set my PLAYCOUNT to '16' what I want to do is every time the statement is executed my PLAYCOUNT is increased by 1. Any help you can give would be appreciated: My code is below: … |
 | Earlier on, in [URL="http://www.daniweb.com/software-development/java/threads/412571"]this thread[/URL] my question was answered about how to add objects of a custom class I called State into a HashSet which was a value for a key in a HashMap. [CODE]Map<String, HashSet<State>> mapping = new HashMap<String, HashSet<State>>();[/CODE] However, I need to ensure that there are only … |
| | HOw can i send and receive images over the socket in java? |
| | How can i delete a row in table using abstractTableModel ? |
| | I'm searching for a java library/framework that makes printing easier. By easier I mean something that makes it possible to layout and format text/images and other elements in a document by defining layouts in html/xml or something. I also want the layout to be decoupled from rendering so the document … |
| | can someone tell me how can i do arrylist(of three classes) in one class ?? |
| | I definitely need assistance with homework assignment: I seem to have a lot of issues creating a program when I have to use JOptionPanes(s). After the instructions is my current code. 1. Design and implement a Java program that will gather integer numbers and performs some computations on the data …  |
| | how can i use two web cameras at a time in JMF, so that i need to capture video from both camera.. please help... hurry up!!!  |
| | Can anyone please help me out in removing this error Exception in thread "main" java.lang.NullPointerException at java.awt.Container.addImpl(Container.java:1045) at java.awt.Container.add(Container.java:365) at Client.<init>(Client.java:33) at Client.main(Client.java:17) [CODE=java] import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; import java.net.*; public class Client { JFrame frame1; JList list; JList list1; JTextField tf; JButton send; JButton lout; … |
| | Hello, I created this little asci art in java, and am wondering how to implement a constant int value that can be changed to make the picture bigger/smaller etc.. these are my loops: [CODE] for(int i = 5;i>=0;i--){ for(int j = 1;j<=i;j++){ System.out.print("P"); } for(int j = 5;j>=i;j--){ System.out.print(" "); … |
 | Hello there! Please I need help in converting a jar/jad file to cod/alx i.e converting j2me files to blackberry files. |
 | Hi I know it is unable to inherit 2 superclass and I know why because there is another thread discussing about this. But I just wonder is there a way to solve this problem? |
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