36,051 Topics
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| | I'm trying to get a 'fish' to move randomly within an aquarium. I've got the fish drawn, but can anybody help me on getting him to move randomly? Any help would be greatly appreciated. -- Shipwreck import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; public class Fish { public static … |
| | import java.awt.Graphics; import java.awt.print.PageFormat; import java.awt.print.Printable; import java.awt.print.PrinterException; import java.awt.print.PrinterJob; /* * Created on 14-set-2004 * */ /** * @author Laudani * */ public class ProvaPrint implements Printable { /* (non-Javadoc) * @see java.awt.print.Printable#print(java.awt.Graphics, java.awt.print.PageFormat, int) */ public int print(Graphics arg0, PageFormat arg1, int arg2)throws PrinterException { System.out.println(arg2); if(arg2 == … |
| | hi all the purpose of this simple codes is to show a text in a text box when i click the button. Both are on in different panel and then placed in one main panel with box layout... actually, i made it a simple case... still, the prob still exists... … |
| | Dear all, I am a newbie in JMF and just got a problem in running my first JMF java program. I wanted to create a player and play some video. And I happened to get some code which could run properly. But after my further exploration, it seems that I … |
| | Hello, Please send me the equivalent code for the following i.e the Database connecting code is written for MS Acess I want to know for Oracle. Class.forName("jdbc:odbc:dsnName"); Connection con=DriverManager.getConnection("jdbc.odbc.JdbcOdbcDriver","",""); can we use the same code(The above given) to connect to SQL Server. With warm regards, Azmat |
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| | I was wondering if I should try and write 11 functions, one for each Or and And gate in my decoder project because its seems so redundant. I thought about doing maybe one big function for the And gates so that once the values went through the Or gates they … |
| | Hi How to acessing external Database using JSF in java |
| | I have succesfully set up a Connection and a System DSN and conected to an SQL Server database. I have succesfully created a statement returning RecordSet and executed it. The problem is that when I try and get the data from it, it appears to be empty and gives me … |
| | Hi All, I am new to Java and need some help with my first assignment: > Assignment 1: Taxation Calculator > Specification > Write a program to calculate the tax of an employee. The program should > prompt for a salary and age, and work out the required tax from …  |
| | Hi, I am a newcomer to this forum, also new to Java programming. Recently, I am working on GUI design. I have a number a JLabel components put into one single JPanel component. In order to have a full display of all the JLabels, I intend to use a JScrollBar … |
| | Can somebody please help me or tell me how to write functions in java. |
| | Hi there, I'm currently trying to write a program that requires me to generate some mathematical formulas. I've been able to use the extended ascii codes to represent some of them using code like below : int i = 64; String aChar = new Character((char)i).toString(); //Prints the ascii value of … |
| | I was wondering if anyone can help me to understand 3 by 8 decoders. I have to write a program that simulates a 3 by 8 decoder and so far it only passes black box testing. This means I basically did "If input is _ and enable is _, then … |
| | Ok so i need to take seconds and turn them into Hours, mins, and the leftover seconds. The problem is i dont know how to use the remainders(Ex: if i had 3.98 how would i use the .98) any help is appreciated. |
 | In java, how do you input something from the keyboard - the standard way(don't import anything - or add a file) Thanks! |
| | sir, I am presently studying in final year and I am saspiring to do a project in java so please guide me by giving a well explained material on java applets and their connections with servers like jsp,apache and others |
| | hi guys i want to recursion in such a manner that i put menu name in properties file and i want to add theire respected sub menu. e.g. menubar = file edit help file = New Open Save Exit edit = Cut Copy Paste help = help help = about … |
| | here is my program and hope u could help me solve my problem on how to repeat this whole game program when the player chooses the the Yes button which indicates that he'd like to play again. [CODE]a:\master1.java[/CODE] |
| | hey guys, i am on the process of finishing this program it is supposed to be finished already only that I do not know how am i going to repeat the whole game after the user chooses the Yes Button from the message box. i hope u could help me … |
| | having trouble getting started with a program i need to have an array of objects which will hold name of cd, and 2 dates associated with it. i am new to java and not sure how to begin. i already have a dialog built for it, but i am stuck … |
| | I want to input a string Suppose the string was : String s = "sani"; Now I want to make "sani" the name of an object of one of the class. Suppose the name of the class is myClass. I want to : myClass sani = new myClass(); Any ideas?? |
 | whenever I try to use \t to insert a tab space into one of my Strings it just inserts it as an \t instead of an actual tab space. I have also tries using \u0009, but this one doesn't even do anything. All the other ones (e.g \n ) all … |
| | I am working on a UI on swings. I have a splitpane in which the right pane is again a split pane. I have a text header on the rightmost pane. Now whenever the panel is maximized,the text breakage of the header is not even.The text header comes on the … |
| | hai, I had selected a project of converting a project of c++\c code to a java code .For that i searched with the web but i can't get it.I need to know if there is any source code with the web or gave me any ideas to do it. If … |
| | Hello there. Can anybody help me with this problem. I am trying to write a program that creates instances of classes that extend JFrame to make my application windows.... This code runs but I can not reference the JTextField shown on the GUI - it seems that there is another … |
| | I'm spankn' new to java with no previous computer programming experience and I need help with an assignment. The assignment is to write a Java program to direct a cashier how to make change. Input guidelines: 1) Number of dollars due 2) Number of cents due 3) Number of dollars … |
| | What is the difference between jbuilder 7 and jbuilder 9 ... I am using jbuilder 7 .. n I am thinking of buying jbuilder 9. |
| | :?: I got this far....but its not giving me the required output....can you give me some directions....here are my codes....thanks....please refer to my pdf file for the question. //import java.lang.*; import java.math.*; import java.io.*; class MatMulti extends Thread { static int in1[][]; static int in2[][]; static int out[][]; static int …  |
| | how do i make the number of my textfileds dynamic? the number of my textfield depends on the parameter passed through the method `setDetailsPanel(int s)`. the variable s determines the number of textfield i need. i'm having this type of error. i don't seem to get the reason why. D:\Program … |
| | how am i going to repeat my whole game program? i dont know what to do. i have the codes below. and this program is already running, i have compiled it and it has no syntax and logical error, this is mastermind game. my only problem is how am i … |
| | its not possible for me to create a object in window for example Window obj=new Window(Window owner); or Window obj= new Window(); can u please tell me it is possible to create a windowobject or not directly without using frames |
| | Hi everyone, 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 selected by the user in the text area and not all the text in the text … |
| | I'm taking AP comp sci and I'm new to JAVA. Can someone help me write this program? [B]Assignment:[/B] 1. Write a program that accepts the letter grades for a student, calculates the student's GPA, and prints it out along with one of the following five messages: Eligible Ineligible, taking less … |
| | ;) me is doing an assignment using java...but i meet some problem here..it is about hangman games..it is like this: if i click A button it will have to go through all the alphebert, if the 1st alphebert is A it will display 'A' |
| | I'm trying to add a commission calculator to my new website, and it works properly for the first two of three form entries, but I wish to add a 3rd level calculation. I'm not familiar with javascript at all really, so I have no clue what to add to the … |
| | I am a postgraduate student and I have exams in java language..I have some problems with 3 programs.Can anybody solve them for me?Can I send them to someone who loves Java?  |
| | :sad: When going to compile a program it would not recognise the class object I had created. Since I found no error I checked out some of my previous work and found that no other class objects I have previously created are working either. I have had this problem before … |
| | I have a program i read a single file,but i want to read 2-3 file one at a time can it possible. Pls solve my problem and give me the code. [SIZE=1]undefined[/SIZE] |
| | i would like to add sound in my java calculator when an error occurs(e.g when operation *and / are pressed).please help me with the sound code. |
 | HI, I wanted to make sure if you see anything in here that needs to be taken care of. Once in a while my computer slows down badly. I already ran Spybot S&D and Ad aware 6.0, I also use spywareGuard, SpywareBlaster. All of these are updated. I also use …  |
| | the program works fine but it gives this java uses or overrides a deprecated API error after i compile the code is below it is a program that uses sql the data base is northwind.I hope you could help me its a project so any help would be welcomed. [CODE] … |
| | This is just a general question. I was wondering how you can make programs compile and run quicker? Does it have to do with the primative type you use or what? |
| | I'm stuck while doing my school's java project. Anyone interested in helping out?? i need a sample on an instant messenging server & client java codes. Do help by showing me a couple of them ? So as to get an idea of how to do my project or start … |
| | I recently bumped into this interesting problem when writing code that used serial port communications. Writing data to serial port fails after ~ 30 seconds of use. Everything works fine for the first 30 seconds or so, then an IOException: write error occurs. I am writing data to the OutputStream … |
| | Hello All, This is my first time taking Java, so I might need quite a bit of help form ya all. Anyways, I have this program that has to be in Applet, and it is comparing two floating numbers. I have to have the program decide which one is larger, …  |
| | Page cannot be displayed errors HELP!!!!!! Logfile of HijackThis v1.98.2 Scan saved at 11:41:27 AM, on 9/11/2004 Platform: Windows XP SP1 (WinNT 5.01.2600) MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106) Running processes: C:\WINNT\System32\smss.exe C:\WINNT\system32\winlogon.exe C:\WINNT\system32\services.exe C:\WINNT\system32\lsass.exe C:\WINNT\system32\svchost.exe C:\WINNT\System32\svchost.exe C:\WINNT\system32\spoolsv.exe C:\WINNT\Explorer.EXE C:\Program Files\Norton AntiVirus\navapsvc.exe C:\Program Files\Norton SystemWorks\Norton Utilities\NPROTECT.EXE C:\WINNT\System32\nvsvc32.exe C:\PROGRA~1\NORTON~2\SPEEDD~1\nopdb.exe C:\WINNT\System32\svchost.exe C:\Program … |
| | :?: hello everyone, id like to ask for some help. i am a beginner in Java programming. i am doing mastermind game using java. the whole logic of the game is already finished, and my ONLY problem now is :?: HOW will i be able to repeat the whole game … |
| | hi all.iv been assigned a project to create rule sets for a database using using Java and Xml. i am supposed to create rules and then customize the rules as required into various modules. initially i am supposed to use a flat file but later move on to a DB. … |
| | Does anyone knows is there any sample Java swing program that able to display records from database according to user searching option... |
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