35,619 Topics
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| | I am a newbie on Java. I think im lucky to find this site. I am doing a technical presentation and my title is to present about IDE on Java. I have researched on some of the IDEs for Java such as Eclipse, NetBeans, JBuilder,Jcreator. My presentations would be on … |
| | Hi all, I'm writing a simple encryption algorithm and have stumbled upon a problem relating to the file handling itself. What my program does is reads text from a file, encrypts it, and writes it to another file. That's all well and good, and it works fine - until a … |
| | Hi All, I have some Services which are deployed in IBM Application Server.I have a Jsp Page which displays the list of all the Services deployed on that Server.All the Services deployed come as links.My requirement is that when i Click on any of the Link of the Service, it … |
 | Hello All, I am new to JSP. Currently i am working on jsp project with mysql. I got stucked with jsp date and time which supports mysql datetime format. [I need to do more time calculations in my project.] Please come up with your suggestions. Thanks in Advance. SHANTI. |
| | I have a situation like this... I have four different tables namely btech_ece, btech_cse, btech_it, btech_eee all these tables have the same columns. Its just that the name differs and everything else is same. Their columns are:- Id Year Semister Section Period SubjectCode Date Status now i have four different … |
| | hi frnds, i completed mca 5th semister. now i want to do a project on java. could any one help me what are the current best projects on java? |
| | Hi, I have a problem, I doing a project in Java, the program I have already written. But I need to do the GUI,but I do not know how to do it. The program plots the curve. Would not it help someone with it please? I have despaired of it.Thanks |
| | Tomcat to get installed in Control Panel-Plesk Deluxe[in a Virtual Dedicated Server], is free and easy?  |
| | Hi all I am trying ot use Netbeans 6.9.1 to write a basic "hello world" java script, but it keeps giving me the following error; ********************************************************************** debug: Have no file for C:\Program Files\Java\jdk1.6.0_23\jre\lib\modules\jdk.boot.jar java.lang.NoClassDefFoundError: helloworld/Main Caused by: java.lang.ClassNotFoundException: helloworld.Main at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) …  |
| | Hey Everyone! I need some help with a JTable I'm working on. [CODE] TableColumn column = table.getColumnModel().getColumn(2); ... JComboBox comboBox = new JComboBox(); comboBox.addItem("A"); comboBox.addItem("B"); comboBox.addItem("C"); comboBox.addItem("D"); comboBox.addItem("E"); comboBox.addItem("F"); column.setCellEditor(new DefaultCellEditor(comboBox)); [/CODE] I know that the code above will take the column of the table at index 2 and give … |
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| | Hello, I'm exploring some technologies and JSP with JSF 2.0 and Primefaces seems really cool. I'm new to all of these, but I'm a fast learner. I wondering if I can create the web app I want withh JSP/JSF/Primefaces? Here's a basic description of the app: 1. Users log in … |
| | *Please HELP me make a program that will determine a 24-hour equivalent from the given input: Ex: 1:00pm - input 13:00 - output 5:45pm - input 17:45 - output.. *HELP Guyz..PLEASE..for our assignment..tnx alot..God Bless.. |
| | Hello to everyone and happy new year... I have 3 JRadioButtons in my JFrame [CODE]private JRadioButton one = new JRadioButton("one "); private JRadioButton two = new JRadioButton("two "); private JRadioButton three = new JRadioButton("three ");[/CODE] And I Have add them to a group [CODE]private ButtonGroup Group = new ButtonGroup();[/CODE] [CODE]Group … |
| | A jar or exe file [Java App], may contain images etc files inside one file the file.jar or file.exe? In NetBeans and Eclipse, how do this one file [jar] or an file.exe containing All files of the IDE's wanted Project? |
| | Hey everyone and happy new year. I'm a java beginner and I am doing my first program, a dvd rental system. I've got 4 classes with the following variables: the main class the dvd class - dvdID, title, rating, producer the cleint class - cleintID, name, surname, address the rentals … |
| | I HAVE DONE CORE JAVA , AND WANT TO MOVE TO ADV.JAVA . BUT IN CLASS AS ADV.JAVA THEY STARTED EJB (ENTERPRISE JAVA BEAN) IT BIT HARD TO UNDERSTAND . SO HAVE I MISSED ANY STEP??? OR ANYTHING SHOULD BE DONE BEFORE MOVING TO eJB??????? plz adviCE ????????? AND HOW … |
| | hello all i have a directory in which a lot of log files are there which are text files.i want to search a particular no in all logs and want 4 fields of logs corresponding to that no. for tht i am using a script in which i am cutting … |
| | I was trying to find the smallest common divisor for the numbers from 1 to 20. I tried the following code. My problem was how to get back to the beggining of the for loop after the if test has found the number is not divisible. But then i added … |
| | I'm trying to make it so when I press ESC, it RestoreScreen() but it doesn't work. Now I don't know whether it's my method RestoreScreen() or my listeners. This is my code: [code]import javax.swing.*; import java.awt.*; import java.awt.event.*; public class main extends JFrame implements MouseListener,KeyListener{ public void keyPressed(KeyEvent e) { …  |
| | I'm reading a book called Beginning Algorithms by Harris and Ross, which gives code examples in Java. As an academic exercise I am trying to convert the code examples to C++. In the interface below the part that throws me is the return of the 'Object' by the 'current' method. … |
| | hello all, this is my first post here and I have searched for answers elsewhere before asking for help. My code is pretty tight, but I keep coming up with symbol not found errors. Are my curlys not in the right place? Or have i not declared the objects correctly. … |
| | Hi I'm new to programming so I need a little help with packages. I have created 2 packages test1 and test2 with p1.java and p2.java respectively. Both have default access. I'm trying to extend p1 with p2 and have tried to import test1 but the error im getting is that … |
| | could u tell me plz how we can Radio Button in different location as wel as in image atachment. |
 | Hi, I have a submit button in my JSP page. I also have drop down menus and text area in my form. Now my condition is like if drop down values or text area are null in this case if a user wants to submit he should get an alert … |
| | I understand that int values, when autoboxed, are interned i.e no 2 objects containing the same int are present, and so we can compare two Integers by == So why does the following happen :[CODE]Integer iRef1=1000; Integer iRef2=1000; System.out.println(iRef1 == iRef2); System.out.println(iRef1.equals(iRef2));[/CODE] This prints [CODE]false true[/CODE] On the other hand, … |
| | Why do local inner classes not allow static variables ? The static fields of the classes could at least have been allowed access from the local method ? |
| | type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: 34 in the jsp file: /job_link_insert.jsp Syntax error, insert "AssignmentOperator Expression" to complete Assignment <%@ page import="java.sql.*"%> <% … |
| | public class Account extends javax.swing.JFrame { /** Creates new form Account */ public Account() { initComponents(); setTitle("Bank Account"); jTextArea1.setEditable(false); } /** * @param args the command line arguments */ private int accountNumber =0; private double balance =0; public Account(int accNum, double bal) { accountNumber = accNum; balance = bal; } …  |
| | i want to insert date in ms-access database entered by user using jsp. please help me in this issue ...  |
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