32,206 Topics
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 | Hi folks.. I'm in search of desktop nofication api's apart from the basic(default) one that java already provides. Can anyone direct me to some good links . Its better if it is free of cost. I found [this](http://blog.swingfx.ch/twinkle-100) nice one but its not free.  |
| | I have this block of code below which is to control questions which are to be displayed from the array. I am having problem with the the 3rd line of code, an i am not entirely sure what the problem is. rnd1, rnd2 are both double. Eclipse is telling me …  |
| | Okay, so I have a text file like this: I Did It Your Way, 11.95 The History of Scotland, 14.50 Learn Calculus in One Day, 29.95 Feel the Stress, 18.50 Great Poems, 12.95 Europe on a Shoestring, 10.95 The Life of Mozart, 14.50 And, as you can see, there are … |
| | My program won't run.. I keep getting a nullPointerException but I have no idea why.. Thanks! The program is supposed to create a simulation for a line ---------------------------------------------------------------------------- public class Prog5 { /** * @param args */ public static void main(String[] args) { Simulation simulation = new Simulation(10); simulation.run(); } … |
| | class P3 { public static void main (String[] args) { makeP3Picture(); } public static Picture makeP3Picture(Picture source) { String fileName = FileChooser.pickAFile(); String sourceFile = FileChooser.getMediaPath("butterfly1.jpg"); Picture sourcePicture = new Picture(fileName); Picture targetPicture = new Picture(source.getWidth()*3, source.getHeight()*2); source.explore(); source.copyPhoto(); source.show(); return sourcePicture; } } im getting the error: "makeP3Picture(Picture) in …  |
| | #//Here is my simple class for MyCar# public class MyCar { private int odometer; private int speed; private int gear; public MyCar() //send values to member variables in this default constructor { odometer = 0; speed = 0; gear = 0.0; } public MyCar(int od, int sp, int gr) //constructor … |
| | [Link Anchor Text](http://oi44.tinypic.com/bwfaf.jpg) Hey dudes! I'm pretty crummy with Java layouts, so I was wondering if anyone had time to help me. The rather crude drawing I made is the layout I had in mind. I wanted 3 rows, with 1 gridlayout on the top and bottom, and in the … |
| | Will someone please tell me why I keep getting my custom file not found exception? The file is spelled correctly and is in the same directory of my java file. I am programming on Eclipse on Mac OS X. Here is my source: // Dillon Sheffield // Lab 10a // … |
| | I'm currently writing a program where the program reads in words from a .txt file and stores the data into an array. The user then has the ability to enter in entries into array and the program then writes everything to the txt file where it can be read again. … |
| | Hello, How can I get a bigger textfield? What I mean is: Let's say that I'm going to register a bunch of cars in a program I made. I want to register things like name, model, when it's made etc + description. I can make simple JTextFields for most of … |
 | IF someone can write this code out for me so i can use it as an example for the rest of my problems and question i have to do I would really appreciate it alot. and no this question is not Homework what so ever I am a visual person …  |
 | I have a GUI in which has a container for a JTable called 'listTable'. I want to populate the JTable with data stored in a linked list, using the AbstractTableModel. Basically, I have a LinkedList stored in Processing.java. It contains all the data retrieved from a text file. I created …  |
 | I have a problem with netbeans.... Already I installed MySql. but in netbeans Services panal not mention anything about databases.. If I right click on their its not mention anything.. I want to add database through that. So how I can do it. What are the pre-Requirement to do this(Any …  |
| | Would anyone happen to know also if there is some predefined swing box for prompting the user to decided whether or not to overwrite an exhisting file? you know the basic "This file already exists, would you like to overwrite it?" |
| | In a nutshell i'm working with a program that uses JSCH and xstream to zip a file, and send it to a remote linux server. I'm using static folders, but when i send a file with the same name as one in the folder it will overwrite the exhisting file. … |
| | Hi forum, I just need a little help on one thing, how can I import this text document and make it usable in a JList object for my GUI application? I Did It Your Way, 11.95 The History of Scotland, 14.50 Learn Calculus in One Day, 29.95 Feel the Stress, … |
| | Hey, so this is my final java assignment for 1st year comp sci program. I really want to get a decent mark before exams, so please I need your help. I've been working on it hard, but this assignment is making me feel dumb :( I'm supposed to make an … |
| | I am using getRow() method of ResultSet class like: int rowCount = result.getRow(); but when i run the application, it gives me the exception that says: *The 'getRow()' method is only allowed on scroll cursors.* Please, anyone, who knows why it happened, explain it with some possible solutions Thanks! |
| | Hi everyboy, I have a question how to add not boolean expression to the conditional loop, Imagine some situation where I have : while(some expression && another expression) { .... } So lets say I want to calculate how many times "another expression" was evaluated. I wish I would stick … |
| | I need to count the number of votes for candidates... I'm getting an unreachable statement error on "int[] array = new int[6];" Scanner sc= new Scanner(System.in); int a= sc.nextInt(); return a; int[] array = new int[6]; int mitt; mitt= array [a]; int rick; rick= array [a]; int newt; newt= array … |
| | this is my sourse code,i have indicated the error in the bottom of the sourse code . import java.io.*; public class Queue { private int maxSize; private int queArray[]; private int front; private int rear; private int nItems; public Queue (int s) { maxSize = s; queArray = new int[maxSize]; … |
| | I want to update my database but the problem is that the driver is not taking any values from the preparedStatement. I am getting an error : java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] You must enter a value in the 'ClassicRoom.Occupy' field. Press any key to continue... Here is the ActionPerformed … |
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| | so i have to build an application where i have to read values from a csv file(excel)and insert them in mySQL.i can do the reading part however I'm fairly stumped by how do i insert the values to the database. Any help regarding this matter is apprecaited.  |
| | Basically i'm wondering if i can fill the "File Name" field of a JFileChooser automatically. I'm pulling files from another machine using sftp, and specifying the file to be created with the JFileChooser. So that the file i'm transfering will be saved with the name and location i specify. As … |
| | hello dears, please can anyone correct my java error, when i run bellow java source code error cause as can not find symbol. public class StackApp{ public static void main (String arg[]) { StackX theStack = new StackX(10); theStack.push(20); theStack.push(40); theStack.push(60); theStack.push(80); System.out.println("Value at top : " + theStack.peek()); System.out.println("Is … |
| | Hi, I just started learning about java applets recently and was wondering why the shapes won't appear on screen when I press a button. import java.applet.*; import java.awt.*; import java.awt.event.*; public class Buttons extends Applet implements ActionListener { public void init() { button1 = new Button("Button 1"); add(button1); button1.addActionListener(this); button2 … |
 | I have made a HRMS (Human Resource management System) using NetBeans 6.5 and for database MySQL 5 The project is completed and running fine ( great) without any problem when i run it in NetBeans using Run Main Project Button. Then i 'Clean and Build the project' and get a … |
| | Hey guys. I'm making a project for my university. It consists of Jframes and other JStuff. I'm having problem with data. The problem is changing them. I have 2D array of Strings - numbers and words (but the content doesn't matter). I want to make a JFrame, where you can … |
| | Dear All, Please Help me in this application.... My problem is that i want to select the required text from the following text. In this text I want When user input following text. I will get only special information from it. Abdoul Amin `23 av Olympiades 94120 FONTENAY SOUS BOIS …  |
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