36,051 Topics
 | |
| | When tring to write a program using a class, my instructions is to request an imput of three numbers and then create a random class to generate three numbers, after doing so, i must determine if the random class highest number matches the highest number of the numbers instructed to …  |
| | Hi! Can anyone help me on the below java program? How to call the thread program - the parallel program? my program can only run in sequetial but not parallel... I need to write a program that will receive as input a single M x N dimensional matrix A with … |
| | how can I change the attributes of a file as read only .. and hidden ....... and turn back to read write .. and visible?  |
| | Why do I get this error? GUI3.java:13: GUI3 is not abstract and does not override abstract method actionPerformed(java.awt.event.ActionEvent) in java.awt.event.ActionListener public class GUI3 extends JFrame implements ActionListener ^ 1 error please help me! thanks. |
| | I need a little help connecting to a database in Java. The example in the book I have uses the following: [code] static final String JDBC_DRIVER = "com.ibm.db2j.jdbc.DB2jDriver"; static final String DATABASE_URL = "jdbc:db2j:books"; [/code] It goes on to use it: [code] System.setProperty("db2j.system.home", "C:/mysql"); Class.forName(JDBC_DRIVER); connect = DriverManager.getConnection(DATABASE_URL); [/code] First … |
| | im compiling a who wants to be a millionare game and i am unsure where to start does any one have any ideas??? :mrgreen: thanks |
| | I have been working on TicTacToe for some time now. I just now got it to work but it's not working properly. When somebody gets three in a row a label is suppose to show that a player has won but it does'nt. So I cant figure out why it's … |
| | i have a project is something like instant messaging, how to know who logged in and check wheather the user is in my userlist (e.g user.txt) Anyone can help me? |
| | Hi everyone, I would like to ask if anyone knows how to load classes from a .jar file and what api i should be looking at. Could someone show me or e-mail me the codings of how to do this the right way. My e-mail is [email]freesoft_2000@yahoo.com[/email] Thank You Yours … |
| | I have a working Java application (command line input only) that I would like to adapt to run on a web server and accept input and give output to a servlet/JSP page. I am familiar with basic Java programming - am having trouble knowing what to do first. This seems … |
| | Hello, I am new member here I need help with my program. I am trying to calculate interst for a loan I am not able to calculate last payment for loan like if loan amount is 1000 and interst rate is 18% which come up 1.5% for every month and … |
| | Hi all new in this forum I'm facing a problem. I need to pass the contents of an XML file to a hash table. The problem is that for each key i have multiple values. i.e. <?xml version="1.0" encoding="utf-8" ?> <Menu> <File> <EN>...</EN> <FR>...</FR> <IT>...</IT> </File> <ShowHide> <EN>...</EN> <FR>...</FR> <IT>...</IT> … |
| | help would be greatly appreciated...(please please please) :) this is what i found through hijackthis...just not sure what to remove.. thank you for your time and hello! sandy Logfile of HijackThis v1.98.0 Scan saved at 11:47:54 AM, on 9/4/2004 Platform: Windows XP SP1 (WinNT 5.01.2600) MSIE: Internet Explorer v6.00 SP1 …  |
| | Can someone help mi I need to do a word count i enter a word e.g. superboymother it will search for the char a,e,i,o,u and return mi the result is: a=0 e=2 i=o o=2 u=o |
| | Hi, I am a novice in programming and need help in my mortgage calculation program. I have the GUI set up all functioning good the only problem I have is the calculation portion that is not doing its job. Can anyone please guide me how to correct my problem? import … |
| | Hi to all i have requirment like this the field length is 15 digits but am getting input only 6 digits..means i have to put spaces after the 6 digits position menas spaces after the value.how to do it in java,could u send the sample programe . thanks in advance …  |
| | hi all. i need to write an application class with a main method and a second method called tempCalc, and then in the second method put the code from a previouse temperature calculation experiment. but i have no idea how to do this. i read the part in "Sams Teach … |
| | does anyone know where i can get source code to write a java 2 program GUI that converts integers to roman numerals? i would appreciate it. my e-mail address is <<snip>>. by the way, here is my code: import java.io.*; public class Roman{ static final int values[]={1,5,10,50,100,500,1000}; static final char … |
| | i have started to create a simple java game and at the moment i have done as much as i can possible at the moment the game builds with no errors. but it does nothing. what i want it to do is that the player enters a bid and if … |
| | hi to everyone.... I got a problem with queries.... before i tell my problem, please look at the is code - // employeeCode is ArrayList containing employee codes. String query = "SELECT Name, FatherName from Employee WHERE "; for(int i=0; i<employeeCode.size(); i++) { if(i == 0) { query += " … |
| | Hi, I'm new to this site so quite unfamiliar with how things work.... I have recently begun learning about C# and the .Net framework. As a java programmer, I found C# a good basis to start on. I wanted to change a lot of my existing code from Java to … |
| | Hi everyone, I want to know how to print the contents of the text area including all its fonts to the printer. I have no idea how to implement this in awt. Could someone show me or e-mail me any sample codings on how the print functionality can be implemented … |
| | hi there guys.Can anione please show me how to create a always on top frame.(no native methods)  |
| | What is a Glass Pane ? and how should I use it ... please give an example. Thanks. |
| | Hi everyone, I am trying to load images in the canvas but it seems nothing gets loaded at all but the program compiles without any errors. It is actually a simple image viewer and have tried almost everything. Anyway here is my program and i hope someone can help me … |
 | Well basically for the assignment I have to write a project that reads data from a .mdb database file and stores this data into a 2D array, then lets the user manipulate the data in the array (stuff like adding, editing, sorting, deleting and searching data) by using GUI and … |
| | im currently in the middle of tryin to complete my dissertation for my masters in software engineering, and i need java code to analyse, i need to measure the complexity and the number of faults each class has. so i was woundering if any one can help me out by … |
| | ok i am doing a programe that can read a string eg, "Lordofthering" is there any way to break up the String into char?? i try StringTokenizer but fail. :cry: :cry: i need the result to be printed to text file: L o r d o f t h e … |
| | does anyone know how can i handle checkbox values using jsp and pass them to the database. String[] Job_type = request.getParameterValues("Job_type"); How do i handle that. Thanks. |
| | Hello everyone, I am writing a program that is for a programming class..This program has to display syntax when the appropriate button is pushed..it also has a menu bar that must be functional. It must also run as an applet and as an application. The above is complete and my … |
| | Hi there, First off I'm new to java and coding in general so please bear with me. I'm trying to write a bit of code that will convert something like the following con(pk(B),pk(AS),pk(A),B) to this k_B, k_AS, k_A, B I have written the following code : Pattern pk = Pattern.compile("pk(.*)"); … |
| | I have a text area and a button on a frame and there's some text in the text area. What i need is when the user clicks the button whatever the text in the text area is saved to the file "C:\ret" with the aid of the file selector dialog. … |
| | I am trying to connecto to mysql database using RedHat 9 but always get a wonderful error message when I try to compile this code: Context ctx = new InitialContext( ); //Error is thrown here if(ctx == null ) throw new Exception("Boom - No Context"); DataSource ds = (DataSource)ctx.lookup( "java:comp/env/jdbc/xsmsDB" … |
| | Hi guys, In my program i have to draw rectangles, but i need to pause before drawing it depending on the the number it has been assigned. I have created a timing class, which pauses the timer according to the integer. I have used tested the timing class and it … |
| | I'm in need of determining and implementing the LookAndFeel of the operating system default within a swing frame, whatever that default may happen to be (and without using the string "com.sun.java.swing.plaf..." in the code whatsoever. When simply leaving the UIManager.setLookAndFeel() as is when creating the frame, the correct OS default … |
| | How can I load a class dynamically ?? I need some code help to get started. |
| | hey guys...... my name is zid.. ok here is the case....does any one know hows to initialize or activate a file in a client pc from the server....i've tried applet...but my boss was not happy with that coz...the comfirmation pop up windows apperead every time that applet loaded....is there any … |
| | I wish to become a system software developer.I mean I want to be writing compilers, operating systems and the like.I don't know which languages will be most appropriate for the task.At the monent I know some c++ but I don't know if one particular language could be better than the … |
 | This book, which is written by David A. Wyatt and Deryck F. Brown is excellent for explaining some of the more complex aspects of data structures and gives plenty of examples of various different algorithms. It also explains a little bit of history behind some of things that are being … |
| | I want to control the power of my room from my computer. I want to add the circuit to my serial or game port. Can I make the driver for it in java (I know I can) but is it easier than any other language like vc. Any ideas? |
| | Hi everyone, Does anyone know what a java manifest file is and how to create your very own manifest file. Someone please explain this manifest file thing to me in detail as l have no idea as to what a manifest file is and how to create one. Is is … |
| | Hi I need to put 2 x flash movies on a web page one to be shown from 12am - 12pm and the other from 12pm - 12am. Is there any java code that will do this ? Thanks Alan |
| | Hello All, I am creating a simple program that draws a simple house. My problem is I need it to run as an application as well as an applet from the same code..I think I am on the right track..Any help would be greatly appreciated check out my code to … |
| | Hello All, Forgive my ignorance... I am creating a simple program that draws a simple house. My problem is I need it to run as an application as well as an applet from the same code..I think I am on the right track..Any help would be greatly appreciated check out … |
| | I am doing some very nasty computation using java but it always gives me a java.lang.OutOfMemory Error,after this nothing on the GUI works.i think its ok to have that error but atleast things should work afterwards. Please Advise |
| | Hi everyone, How does one convert the following a string to integer a integer to string a string to float a float to string a string to long a long to string a string to double a double to string I am trying to do a mini calculator. If someone … |
| | |
| | Can anyone please tell me how can I divert my keyboard inputs to any file or any string ... rather than the monitor ... can anyone code a sample statement for me thanks .. |
| | While reading a topic in my book on comparison between java and c ++ ... I read one difference ..... java statements can be labeled while c++ statements cant be. Can anybuddy tell the use of labeling in java? |
| | Hello, This may not be the right forum for this but here goes...I am a student and am taking programming classes( JAVA ). It seems that I can compile my programs but cannot run them. My professor said my path was incorrect and gave me the correct path settings. I … |
The End.