32,199 Topics
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| | I want create some custom controls. With the properties. can any one help me to develop that. which is use to develop custom controls, jsp or ejb or swings? |
| | hello, i have written a program which selects each record in the database-table(having ip,status and other fields) pings to that ip and if a reply is obtained then the program establishes a socket conn b/w another comp and exchanges information,if info is exhanged then nothing is to be done to … |
 | .,what is the best tutorial to know on how to insert an audio in my java program... -any advice is highly appreciated... alpe:) |
| | Does anybody know if it is possible to keep a thread running that constantly checks for new processes being ran on the computer? |
| | I'm trying to write a file that first decides if a number entered is prime or not, then if it is writes it to a file. Here's what I've got, but I keep coming up with a couple errors that I can't figure out how to fix. One is that …  |
| | I have the tutorial running with a entire database displayed. I am working with the tutorial at: [url]http://www.netbeans.org/kb/articles/mysql.html[/url] The above tutorial creates a jDesktopAPP. with components bound to the table. I am trying to add a button (basically). I am in the process of understanding binding. the program loads with … |
| | i have a program running with lot of system.out.println statements.. i want to display this in a javaframe...can anyone tel me the steps to go abt it |
| | i am some what new to java so i am not really familiar with all the errors and such but i am getting one that says this: [CODE]Exception in thread "main" java.lang.ClassCastException: lab8ab.EmployeeAryApplicEx cannot be cast to lab8ab.EmployeeMultiTypeSeqFileExer at lab8ab.EmployeeMultiTypeOpenListener.<init>(EmployeeMultiTypeOpenListener.java:22) at lab8ab.EmployeeAryApplicEx.<init>(EmployeeAryApplicEx.java:115) at lab8ab.EmployeeAryApplicEx.main(EmployeeAryApplicEx.java:43)[/CODE] what does that mean? the program … |
| | Hello everyone. I had a quick question. How can I go about setting constraitnts for a JTextField. I'm trying to not allow users to enter any non numeric numbers, except for dollar signs, commas and periods. Also how can I restrict a JTextField to only allowing two numbers to be … |
 | Hi all , I'm trying to display currency in Indian format but I'm getting question marks symbols instead of digits . Please tell me how to sort out this problem . Thanks in advance  |
| | Am working on a project to develop a database which should output to my mobile.Is there anyone who know any site which have resources for the database connectivity to the mobile?I will appreciate your help. Shaqnolysis  |
| | Hello everyone, I want to use javax.comm to do serial cable communication on Linux platform. Currently, I can not find enough learning materials (tutorials and samples) from searching the net. Could anyone help to recommend some good ones? thanks in advance, George |
| | how can we retrieve an employee or any persons database values when we enter that particular persons input values though a login html page ,using servlets |
| | [code=java] import java.awt.Color; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.SwingUtilities; public class Testing extends JFrame { public static void main(String[] args){ SwingUtilities.invokeLater(new Runnable() { public void run(){ new Testing(); } }); } private Testing(){ super("tester"); launch(); } private void launch(){ setBounds(200, 200, 300, 300); setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel topPanel = new … |
| | I am working with the tutorial at: [url]http://www.netbeans.org/kb/articles/mysql.html[/url] Is there someone able to assist me in learning how to add a search functionality to the above tutorial? right now I am deciding if I need to transform th code (below) to the @Action,actionPerformed(),and class extending (@Action) Task. [code] public void … |
| | I am a C++ programmer, but i am required to prepare a presentaion about Generics in Java I need someone to explain this function: public static <T> T do_something(T [ ] list) { … } Please show what every part indicates; <T> indicates: ..... T indicates : ..... ...... and … |
| | I wrote a program to implement LinkedList : package JavaApplication; import JavaApplication.MyExciption; public class LinkedList<ListElementType> { class Node { ListElementType elem; Node next; } private Node head; private Node tail; private Node current; public LinkedList() { head=null; tail=null; current=null; } public void insert(ListElementType elem)throws MyExciption { Node addedNode=new Node(); if(addedNode==null) … |
| | Hi I have written a script file which uses whiptail --inputbox to get an input and i want to execute this script from a java program... my java code is [code] Process process = Runtime.getRuntime().exec("/path/../myscript.sh"); [/code] but when i run my java code the script is not running. The whiptail … |
| | Hi I have written a script file which uses whiptail --inputbox to get an input and i want to execute this script from a java program... my java code is [code] Process process = Runtime.getRuntime().exec("/path/../myscript.sh"); [/code] but when i run my java code the script is not running. The whiptail … |
| | I am working with the tutorial at: http://www.netbeans.org/kb/articles/mysql.html can any one help me figure out why I can not set a query with this method? entityManager = java.beans.Beans.isDesignTime() ? null : javax.persistence.Persistence.createEntityManagerFactory ("splashbookdbPU").createEntityManager(); org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance (splashtemplateda.SplashTemplateDAApp.class).getContext().getResourceMap (SplashTemplateDAView.class); query = java.beans.Beans.isDesignTime() ? null : entityManager.createQuery (resourceMap.getString("query.query")); // NOI18N list … |
| | how to use AWT to write button tip? i don't want to use Swing. Please help me!:) |
| | I want to Define class name MutiItemSale that represents a sale of multiple items of type Sale. The class MutiItemSale that have instance variable whose type is Sale[], which will be used as a partially filled array. There will also anther instance variable of type int that keep track of … |
| | These are the only answers I could not find can anyone help me out please public class TestA { public static void main( String args[] ) { int x = 2, y = 20, counter = 0; for ( int j = y % x; j < 100; j += … |
| | most oftenly u have said or heard the word JAVA BUT I WANT U TO EXPLAIN WHAT ACTUALLY JAVA IS I AM EAGER TO KNOW PLEASE NO SMART ANSWERS ANSWERS FROM PRO |
| | With these codes [CODE]public boolean rogue() { if(rogue = true) { playerEquipment[playerHat]=5554; // set armor playerEquipment[playerCape]=6570; playerEquipment[playerAmulet]=6585; playerEquipment[playerChest]=1; playerEquipment[playerShield]=1; playerEquipment[playerLegs]=5555; playerEquipment[playerHands]=5556; playerEquipment[playerFeet]=5557; playerEquipment[playerRing]=1; playerEquipment[playerArrows]=1; playerEquipment[playerWeapon]=1; } } public booletan hunter() { if(hunter = true) { playerEquipment[playerHat]=1038; // set armor playerEquipment[playerCape]=6570; playerEquipment[playerAmulet]=6585; playerEquipment[playerChest]=-1; playerEquipment[playerShield]=-1; playerEquipment[playerLegs]=-1; playerEquipment[playerHands]=7462; playerEquipment[playerFeet]=-1; playerEquipment[playerRing]=6735; playerEquipment[playerArrows]=-1; playerEquipment[playerWeapon]=4151; } …  |
| | i have this pgm which receives a string and tries to find it in database and return a value. for the first execution its working fine, but if the string is not found in database and the pgm is to be restarted it doesnt work the output is init: deps-jar: … |
| | I am working with the tutorial at: [url]http://www.netbeans.org/kb/articles/mysql.html[/url] The program works great. untouched the program displays the entire database that is a result of of query.getResultSet(). I added a combobox,textfield,and a button with an action. I dragged and droped an additional: searchEnityManager1 bound to the preexisting splashbookdbPU searchQuery1 (bound to … |
| | Can any one tell the Best Compression method for all types with Source code in java.... |
| | can we use javascript inside css classes, Because I want to get the browser window width to the css width atribute. Thanks  |
| | If I have this line in the code[icode]java.util.Collection search = searchQuery1.getResultList();[/icode] Is this a collection of <list>? and can I find out if search should be named"Search" or does it have to be instantiated of something?  |
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