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Java Essentials

• JNDI and Closure Problem

• Is Java Naming and Directory Interface an answer to so called closure problem (separation of data from code) in J2SE 1.4?Message was edited by: sriraja...
• Sun, 01 Aug 2010 00:21:00 GMT | 172 bytes

• Sorting: How to create a rough Approx Sort.

• I want to be able to create a sort which scans through a set of integers and not nessarry sort them exactly from ascending or dscending order but roughly. For example: {1,4,2,6,7,8,8,5,4,7,2,1}Sorted By ascending: {1,1,2,2,4,4,5,7,8,8}Sorted By rough ascending: {1,2,1,2,4,4,5,8,7,8} ... or ...
• Sun, 01 Aug 2010 00:21:00 GMT | 396 bytes | Answers (8)

• Style in TabelModel

• HalloI have more JTables in different JPanels. They have all the same Model that I constructed it from AbstractTableModel.Now I want to do a type off Cascade Style for my tables. I want that all tables have the same fonts, the same style for TableHeader, the same column style and colour.It is ...
• Sat, 31 Jul 2010 23:21:00 GMT | 472 bytes | Answers (1)

• JTree and root handles

• How can I hide on a JTree all handles of every nodes? With the method "setShowsRootHandles(false)", only the handles of the first level disapears....
• Sat, 31 Jul 2010 18:21:00 GMT | 153 bytes | Answers (3)

• Java Logging API Strange behaviour

• Similar to the problem of : http://forum.java.sun.com/thread.jspa?forumID=31&threadID=746125I have the following problem:I have the following classpackage my.test;public class TestLogging { static Logger log=Logger.getLogger( TestLogging.class.getPackage().getName()); public static ...
• Sat, 31 Jul 2010 18:21:00 GMT | 2,827 bytes | Answers (4)

• Bug in Calendar.add(...) ?

• I'm trying to create an array of hourly interval dates starting from 2006-03-01 to 2006-04-01. The thing is that I get a gap in the date calculation:Hour 0 -> Hour 230 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 - (26) 2006-03-26 23:00:00Hour 2 is missing!? I'm using the ...
• Sat, 31 Jul 2010 17:21:00 GMT | 8,030 bytes | Answers (4)

• Error in using Class class

• This is probably to do with my enviroment having a problem but when I try to compilee ShowMethods.java from Chapter 10 of thinking in Jave (code below after error messages) I get the following error:-ShowMethods.java:23: cannot access Classbad class file: .\Class.javafile does not contain class ...
• Sat, 31 Jul 2010 16:21:00 GMT | 4,157 bytes | Answers (8)

• How to typecast Object with a dynamically loaded class?

• Hi!I have a situation. I am passing an array of objects to a function that takes a parameter of type: Object[]. Now, in the function, i need to determine, from amongst a given set of classes, with which class do i need to typecast it. Say, if the classes are A, B, C and D, then which to use to ...
• Sat, 31 Jul 2010 16:21:00 GMT | 1,440 bytes | Answers (2)

• Socket is ready to be read?

• How do I check if a socket is ready to be read? So far the only way I can find isnew InputStreamReader( client.getInputStream() ).ready() where client is a Socket. Is this correct and is it OK to use it like below?try { if( new InputStreamReader( client.getInputStream() ).ready() ) ...
• Sat, 31 Jul 2010 13:21:00 GMT | 751 bytes | Answers (2)

• java bean and coldfusion bean

• Hi all,Is there a way for Java application (@ client site) can access a coldfusion bean on the server ?I know that coldfusion bean was designed based from EJB, and I thought it may be possible for client to use the bean to access information on the server.If it is not possible, what would be ...
• Sat, 31 Jul 2010 13:21:00 GMT | 434 bytes

• string to int

• how can i transform an int to a stringthx...
• Sat, 31 Jul 2010 13:21:00 GMT | 55 bytes | Answers (4)

• Java API for converting text file to pdf format..

• Hi allI am doing one application for converting text file to pdf format..So i want to use java api for that.So please give me some links regarding this..so that i can learn more...Thanks and Regardsgirish...
• Sat, 31 Jul 2010 12:21:00 GMT | 232 bytes | Answers (5)

• Line Separator

• I have four panels in a container. How would I go about drawing a line under the panels? I was looking at the API and there is a Graphics class with a drawLine method that I can use. There is also a JSeparator class in swing that is another possibility.studentPanel = new Panel(new ...
• Sat, 31 Jul 2010 11:21:00 GMT | 518 bytes | Answers (3)

• Line Wrapping

• Hi,Im trying to print text(string) from a JTextArea to a printer device, i can get the text to print but the whole docuement is printed on just one line, no wrapping, so cutting off the rest of the text. How do i overcome this, any ideas?heres my print class:import java.awt.event.*;import ...
• Sat, 31 Jul 2010 10:21:00 GMT | 1,443 bytes | Answers (2)

• Java 5 - Annotation

• I cannot understand what is Annotation ...Can someone help me please ?ThanksLudovic...
• Sat, 31 Jul 2010 09:21:00 GMT | 111 bytes | Answers (9)

• possible loss of precision?

• How can I get rid of this, I was making an interest calculator for a class assignment. At the end I want the answer to be either $5 or $5.00, not $5.0, I get that when I use double, I just changed it to int but it gives that error message during compile. Is there anything I can do? If needed ...
• Sat, 31 Jul 2010 08:21:00 GMT | 320 bytes | Answers (13)

• 2 classes

• if u c the following. wen i enter a number for eidth in the size class it doesnt do the calc:public class RoomTest {public static void main(String[] args){String displaySize;Size sizeA = new Size();displaySize = sizeA.getSize();System.out.println(displaySize);}}import javax.swing.*;public class ...
• Sat, 31 Jul 2010 08:21:00 GMT | 1,788 bytes | Answers (6)

• best xml parser ?

• what is the best xml parser ? i have an xml document. i want to parse it to extract information. what is the best xml parser ? what developers prefers ? there are lots of xml perser available in the net like electric xml parser, in built java xml parser etc etc. which parser world use most ...
• Sat, 31 Jul 2010 06:21:00 GMT | 299 bytes | Answers (2)

• using gmail

• Hi,I'm trying to make a program that could receive and send email addresses..i found sinetfactory provided jar but it expires every 30 days.Maybe someone can suggest anything?Thanks for replies...
• Sat, 31 Jul 2010 06:21:00 GMT | 229 bytes | Answers (2)

• frame maximising

• I have put a panel on JFrame. On that JPanel there are two more panels. I ahve done it using NetBeans IDE. All are in free design. My problem is that when am maximising the window those panels are not increasing by their size so as to cover the whole frame.Any body is there who can help me by ...
• Sat, 31 Jul 2010 05:21:00 GMT | 338 bytes | Answers (1)