35,618 Topics
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| | A little help guys i have a JButton..i wanna use it to repeat the SQL statements but with an updated value.... my JButton reads [code] if(ae.getSource()==b1) { v1=v1+2; System.out.println(v1); } [/code] v1 gets a new value everytime i click the button and the v1 is used here ...under public static …  |
| | Hi all, I'm actually equating a 2D array from a class to another class. I call it using method call. However, it seems like the 2D array is empty after I equate it to another 2D array in another class. May I know where is the problem? [CODE]import java.io.*; import … |
| | anybody can say the process of jsp application and connection to the all the databases?  |
| | Hi! please help me for how can i scroll through database using JDBC on a jsp page. if i m creating 4 buttons say First,Last,Next,Previous. First button will take me to the first record of the database. Last button will take me to the last record of the database. Next … |
| | Help I'm looking to find a fix for webapps running on a tomcat with IIS6 running on it too. Why am I getting this message. HTTP Status 500 - ________________________________________ type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception … |
| | hello friends, can i change the port of oracle 10.i am using tomcat 6.0 and both are using same port 8080.so how could i use oracle with tomcat in windows 7.Reply plz. |
 | Please provide some links to good downloadable e-books for JSP. This collection may be helpful to all the jsp community.And please keep on adding as you comes to know about some good ones. Thanks a lot !! |
| | hey guys... my database consists of questions...for a quiz....i need to read the question so that its displayed into the JLabel... [CODE=JAVA] //package Proj; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.sql.*; class Testpage extends JFrame implements ActionListener { public static String usr; JMenuBar mbr; JMenu File,Help; JPanel p1,p2; JLabel … |
 | I am wondering how to make the red aquare jump around in the script. This is a menu. I would like the red squareto jump around every 1 or 2 seconds (doesn't have to be exact). Right now I have it when someone moves the mouse but I woule like …  |
 | I use: [ICODE]Integer.toBinaryString(number);[/ICODE] to get binary string. I want to get the sum of two binary number. how do i do? example: 0010 + 0011 = 0101! Thanks! smb help me please! |
| | Im making a simple program to for a bank (its a course exercise), but i want to know how do i save for example a costumer data like Strings...?... any suggestions, please and thank you.. |
| | For my Computer Science class, we are writing several different methods to reverse a singly linked list in Java. I cannot figure out the last way, which uses three helper methods, pointerToLast(Node n) which returns the tail node, nextToLast(Node n) which returns the second to last, and append(Node a, Node … |
| | can any body tell me what is basically JVM and for what is it used for.thanks in advance |
 | Hello! Here's the problem: After making some GUI application (NetBeans) in output directory (containing generated .jar file) also appeared a directory 'lib' with additional .jar. This jar is some extra library with classes, which path is added in manifest ("Class-Path: lib/bla.jar"). So I've used to pack my applications always intto … |
| | This is probably very simple but i'm not seeing how to do it. My GUI for a project reads objects from a flat file (substitution for database) and puts each object as an item in a jComboBox. Then if the user wants to delete one of the objects, he selects … |
| | i have written the following code, my 1st combo box getting the write data but when i have problem in the getting the data in 2nd combo box when i select from the 1st one....kindly help me....advance thnx for answering String obj =(String)jComboBox1.getSelectedItem(); res=stat.executeQuery("Select flight from main where Route="+obj); String … |
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| | I have created two select list (Combo box). BankName and BranchName. BankName is using LOV with query to display bankname. This is working fine. Now when i select Bank name i want to display selected branches of that bank in Branchname combo.How to display values in second combo basis on … |
| | Hi, I have two applications which uses the same class that gives cpu information using sigar api. Both the applications are deployed in a same JBoss instance. When i try to start the application, first application gets deployed with no errors while for second application i get an error saying … |
| | Ok so I wrote this with some help of a friend and it compiles fine and everything, however when I try and run it I get this error message. "Static Error: No constructor in Day matches this invocation Arguments: () Candidate signatures: Day(int)" I am not sure what this means … |
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| | You are required to develop a simple GUI application for the registration of voters. Your code should take data form user into text fields and save it into a text file. You will make voter class and a GUI. The Voter Class must have following attributes: • National ID Card … |
| | I have started making a calculator. There are buttons and a screen where the numbers should how up. Except I dont know how to program the larger numbers so when someone types in a '5' then a '2' then a '7' the number becomes 527 instead of a 5 then … |
| | New to the forums and could use a hand. I am completely stuck, and not sure what to do at this point. I keep getting "TRACE: <at java.lang.IndexOutOfBoundsException: Empty field: 106>, Exception caught in Display class java.lang.IndexOutOfBoundsException: Empty field: 106" during run-time when the method, displayList() is called (currently on …  |
| | Hi, firstly my english is not very good so ım sory about that. ı want to parse a web source. ı got the source code with urlconnection in jTextArea but ı cant get between two html tag for ex. <p class="asd">asdasdasdas </p> <p class="asd2">bdfgfdgdfgf </p> <p class="AltBaslik">I want to this … |
| | I am in search of an online exam program which is to be uploaded on my web-site for my project. However, there will be four levels according to which the questions will be grouped. This application should read questions randomly from a list of questions stored in database. This application … |
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| | I am in a java programming class but my teacher doesn't teach anything so could someone please explain to me how to import a picture into the applet and give me an example of a simple script that just imports a picture. I have learned how to use the mouse … |
| | import acm.graphics.*; import acm.program.*; public class BlacknWhite extends GraphicsProgram { public void run(){ GImage image = new GImage ("akinfemi.jpg"); GImage grayImage = createGrayScaleImage(image); add(image, 10, 50); add(grayImage, 100, 50); } private GImage createGrayScaleImage(GImage image){ int [][] array = image.getPixelArray(); int height = array.length; int width = array[0].length; for (int i … |
| | Java n00b here. I am putting together a little random number game and am having trouble with my loss condition test. It seems like Java does not like casting ints as a bools. Here is my code so far: [code=java] import java.util.*; public class TwoRandom { public static void main … |
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