36,051 Topics
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| | Ok so I have a couple questions on JavaFX. I have three javaFX scripts all of which contain their own scene and stage. However, I want a main class or script to decide when to open and when to close the current stage. So for example, the user will be … |
| | Hi: I need help with a program. Basically, I have a sentence, which I need to distribute into blocks of 5 letters, and then scramble the blocks in an order which I determine. Here is the exact question: "Fixed period encryption- Given the number d and the numbers 1 to … |
| | please if someone can help me i have probleams in the constructor of the class, how can i pass parameters to date constructor..... |
| | Hello :-)! There is a problem with building project in NetBeans. I've got two directories sphinx4-1.0beta3-src and sphinx4-1.0beta3-bin, which are part of speech recognition system CMU Sphinx, Sphinx4 is written in Java. In the directory S:\tutorial\sphinx4-1.0beta3-bin\bin I've got some .jar files, e.g. HelloDigits.jar. In S:\tutorial\sphinx4-1.0beta3-src there is no bin directory, … |
| | Hello everyone, My name is Santiago and I am a 24 years old java developer from Mexico City. I am kind of new in the 'professional' level. I have been developing software as a job since february (I graduated in december) in a company dedicated to provide services to finantial … |
| | Hola a todos, Estoy tratando de escribir un servidor de mensajería entre clientes, en Java. El problema que tengo es cuando quiero terminar el servidor. El servidor que he pensado funciona así: Cada cliente se conecta a un hilo que crea el servidor y allí envía los mensajes. El problema … |
| | Hi, i'm working with Netbeans IDE 6.7.1 on Vista Home Premium. I have run my program with no errors, but the phone won't show up. I have turned off my firewall and even tried reinstalling Netbeans with no success. Thx in advance! :icon_smile: |
| | Is there any other way besides Jawin to call Win32 API methods from within Java? I have the option of using C++ as im going to be using the API a fair amount however i'm also doing GUI stuff and i would prefer the Java GUI features over C++. If …  |
 | Hi, I am trying to create a button group which can give me both Jcheckboxes as well as Jbuttons. The problem is that I am creating a button group and not able to fit the checkbox criteria into it. Actually I want to create 2 radiobuttons followed by one checkbox … |
| | Dears I need some help regarding a software development for P2P file sharing application. I need guidence in this regard. The application must contain PEER DISCOVERY, FILE SHARING, FILE TRANSFER, DOWNLOAD AND UPLOAD FILES, SEND AND RECIEVE MESSAGE AND MAINTAIN HISTORY. PLEASE GUIDE ME FROM WHERE I SHOULD START ALSO … |
| | Hi guys, I need to display "Java Mug" (in red) inside the mug I created in the following code. I spent hours working on it but couldn't get anywhere. Can you guys help me please? [CODE] import java.awt.*; import javax.swing.*; import java.awt.geom.*; public class DrawJavaMugTest { public static void main(String[] …  |
| | Hello, I am an online student in an intro to Java programming course and am a little stuck on my current program. The program is supposed to prompt for the name of files until the user enters "stop" to quit and includes the following methods in addition to the main …  |
| | I have created a linked list in Java, and now I am trying to convert my program to C++. When I try to compile, it gives me the error saying that 'next' uses 'CarNode' which is being defined. I am wondering if there is any way around this? Java: [CODE]public … |
| | How do I connect, wirelessly, to a localhost on another PC? I have not problem with "jdbc:mysql//localhost/databasename" but I can't figure out on another PC, named "PC2". Thank you. |
| | Given this client [CODE]/* Test of * Constructor with 2 arguments * drawLine * setSize */ public class BoxesClient5 { public static void main(String[] args) { Boxes alphaBox; int i; System.out.println("Result of various calls to drawLine:"); alphaBox = new Boxes(7, 'a'); for ( i = 0; i < 5; i++ … |
| | hi friends I am trying to implement a SAAS based sample application in my final year project. But I do not know where to start and what is needed to build it. Kindly if anyone knows about it please help me Thanks |
| | heey all ,, I'v a question about the pow ,, but when I run the programe it didn't work =S I really need help because tomorrow I shloud give it to my teacher,, ******************************************** import java.lang.Math; public class ques3 { public static void main(String[]args) { static Scanner console = new … |
| | [CODE]/* * CensusCalculator.java * * Computer Science 111, Boston University * * This program performs various computations on census data stored in a text file. * It uses arrays in several ways, including for storage of the results of * the computations. * * modified by: [Daniel Sutton (dan13@bu.edu)] * …  |
| | Hey guys, im about to write an application which has a visual GUI doing representation of a system (lots of pretty colours and flashing objects etc), which represent what is happening with packets and external devices being inserted into the system. I need to use one of the Win32 APIs, … |
| | Hello, I was just wondering if it is possible in Java to get the host's IP address, as seen on the Internet, not network or by the computer itself. I mean, getting something like [B]87.253.145.35[/B] instead of something like 192.168.1.100 or 127.0.0.1. Or, if not, is there any popular/known server … |
| | I want to create a data file(.txt) with the data in a mysql table. (of course i did that) [CODE] try { // Create the statement //Export the data String filename = "test.xls"; String tablename = "test"; c.getData("SELECT * INTO OUTFILE '"+ filename + "' FROM " + tablename); System.out.println(filename); … |
| | I'm trying to split an input string into an array of substrings and currently trying something like this... [CODE] public static void tryp(String inputString){ int index = 0; String[] rArray = new String[1000]; String[] kArray = new String[1000]; int startPos = 0; int x; int newRPos = 0; int newKPos … |
| | This program is suppose to merge the two files by taking one element at a time from each, and the third file should contain the numbers from both file from lowest to highest. Data1: 11 25 36 45 56 78 90 Data2: 1 3 5 7 54 32 78 99 …  |
| | hi guyz and GiRlzz (F) ;; how R u ? plllz I need 4 helpping from u !! I've a Q in Java ,, I'm trying to write it in jGRASP but I can't :s plllllzzz hellp me before next Suterday ;s this is my Q 3.Write expressions to compute … |
| | im a astudent @ LTHS, in my forst year of Java, how do i make a default, and non-default contructor, and how to they work? |
| | hi, i need to build a VOIP client using Java technology...so do i need to code the server as well or is there any free VOID servers available?please give any suggestions regards, don |
| | To keep things simple I have a spreadsheet that lists x and y values. I'm not sure how many of these data points there are but 13.5 million is a safe lower bound. Anyway, I wrote a program to parse this file and plot the points in jfreechart and the …  |
| | Greetings, I was wondering if someone could teach me how to run an executable in java. I have written a Java program that fills out some information, but I need to run a file that is normally run from a command prompt that is an executable. If someone could tell …  |
| | hello everyone, i need 1 help. i am having 3 ".jsp" files : x1.jsp,x2.jsp and x3.jsp. in x1.jjsp i am having a combo box, from the combo box i am selecting 1 value. there is a submit button below it. i am using "form method = post action=x2.jsp". the value … |
| | So my binary search tree doesn't seem to be traversing through all the nodes. each node has references to other nodes. So I'm traversing through right or left (depending on value) until I hit null, which means I can insert. After insertion, I reset root to first so it can … |
 | Hi all, I'm just starting Java and have read some tutorials and reading also thinking in Java and I see it is a good language. I have a question though, what are MINIMUM requirement of ANY Java program for it to run? |
| | I'm trying to fetch and display an online image in a GUI. The method will "target" an online image (like [url]http://www.site.com/picture.jpg[/url]) and put it in the GUI. Also, I will need to be able to replace the image with another when the need arises. Any ideas? |
| | This program is a game which allows the user to play against a computer in a dice game called ``Pig''. Rules are: * Players alternate turns and try to be the first to reach 100 points. * A turn consists of rolling a die repeatedly until either a 1 is … |
| | AHHH so i've been writing this code with my teachers help. IT will now be able to get 1 coordinate, but i want it to get teh same number of coordinates, i set my shipsize to.. waht can i do...my teacher said I could do a loop... but.... i couldnt … |
 | This project is similar to, but not exactly like, my phonetic project. I am having to construct a GUI and have done so. I have been able to get everything except one part. What I need it to do is: 1) User inputs a string (this part works) 2) When … |
| | I am making a tic-tac-toe game and I am scanning in the players name and piece in the viewer. How am I able to access that in the component class? I am not able to put a method in my viewer, so I can't say getPlayer of getPiece, but there … |
| | I am trying to write a method that accepts two integer parameters and returns their average as a float, but for some reason it is only returning a double. I am quite sure that there needs to be "f" after the resulting value, but it's not showing up. Can someone … |
| | what i am trying to do is take alot of information and use it to calculate a persons carbon footprint based on a list of things that are in the second class of my program. im trying to make everything very easy to read program wise. im doing this assignment … |
| | public boolean addEvent(int year, int month, int day, int hour, int minute, int duration, String what); This will return true if the event was added and false otherwise. Only valid events will be added to the list. i kind of understand what im suppose to do but i just cant … |
 | Can anyone shed some light on these errors? [CODE] public void FaultHandler () { int faultCount = 0; while ( faultCount < 4 ) { DatagramPacket request = new DatagramPacket(requestArray, requestArray.length, aHost, proxyPort); aSocket.send(request); try { aSocket.setSoTimeout(4000); aSocket.receive(reply); } catch ( SocketTimeoutException e ) { faultCount++; continue; } catch ( … |
| | Hello everyone. I am required to write a simple code that reads 10 numbers and displays the largest and last number entered. I thought i would be able to do this easily but for some reason the numbers wont get assigned to the variables like i thought. [code] import java.util.Scanner; … |
| | hi, i want to be able to draw two eyes with are exactly the same in radius and colour etc next to eachother. So when i open the window the pair of eyes are there in the centre. I have managed to get one eye but i dnt have a … |
| | Hello, I want to create database on SQL Server using Javascript and HTML. User will input following data. Server Name, Database name, File Sizes. When I will click "Submit" button database should be created on Selected server with entered name. I am using Client side HTML and Javascript. we need … |
| | Hi all, I've been working on a Java guessing game, similar to hangman which rewards you with a picture using the Gogga class (developed by the people who wrote my IT textbook for Grade 10, also I removed gogga for this website, since I doubt you'd be able to find … |
| | Hi, I'm new here. I have been looking around for the last few months. Very new to java and I need help with this assignment. I am to program hangman, I know that this has been asked multiple times. I just cannot seem to find the answers that I need. … |
| | I'm getting StringIndexOutOfBoundsException when I try to reasign the value of a variable. [icode]protString = protString.substring(newRPos+1, input.length());[/icode] I understand that this is something I would rather not do... but as I don't know the index of newRPos I can't think of another way to iterate. Thanks |
| | I have a simple program. On the left I have a tree view (obout) very good by the way, and a grid on the right. In my cs file, I wrote a class for the grid. I pass a value and the grid is populated. When I click on a … |
| | I have an int table, consisting of 7 ints, and is wondering if there is any way of avoiding the same int to be entered twice. And if entering the same int twice, the user of the program would have to re-enter the int again. this is what i've got … |
| | Hi all. pls help me.I repair a program for my need.At that time Text are not appear.Original progarm is here. [code] import java.awt.Color; import java.awt.Dimension; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.io.IOException; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.Timer; public class MarqueeFrame … |
| | Just wondering what the difference is. I don't think I need to post my code, but basically for my assignment, I have stubs for a binary search tree. There are nodes created in the constructor, and among them are: Node parent Node predecessor Node sucessor Node right Node left Is … |
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