1. Introduction to Servlet Listener using Eclipse
(Java Tutorials/Tutorials)

...ng you can do. Create one JSP on your web application and we will assign some attributes to the sessions (adding attribute means that we are creating the Session). Create your JSP using the wizard and...

2. Apply special filter to a JTextField
(Java SE Tips/javax.swing)

The following class will help a JTextField to filter numeric or alphanumeric characters. import javax.swing.text.*; public class JTextFieldFilter&nb

3. Limit JTextField input to a maximum length
(Java SE Tips/javax.swing)

This Swing tip shows how to limit JTextField input to a maximum length. import javax.swing.text.*; public class JTextFieldLimit extends Plai

4. Pass an Array between Java and Javascript
(Java SE Tips/java.applet)

Javascript can read directly a Java Array but the other way don't seem be true. NOTE : Reading a Java array from Javascript may crash your browser for some unknown reason. So it's safer to use the n

5. Get the number of days in a month
(Java SE Tips/java.util)

This tip shows the ways to obtain the number of days in a month. public static int daysInMonth(GregorianCalendar c) {   int []&n

6. Access parameters passed in the URL
(Java SE Tips/java.applet)

This tip shows how to decode the parameters passed in the URL. import java.applet.*; import java.util.*; public class SimpleApplet extends&nb

7. Send a message from an Applet to another Applet on a different page
(Java SE Tips/java.applet)

In this example, FirstApplet encodes the message for SecondApplet in the search (or query) section of SecondApplet.html URL. Then SecondApplet decodes the search section of its URL and extract the m

8. Going to a new URL from an Applet
(Java SE Tips/java.applet)

You have to use: getAppletContext().showDocument      (new URL("http://www.whatever.com")); or

9. Creating a geometric background in Java3D
(Other API Tips/Java3D)

This tip is an example of creating a geometric background in a Java 3D program. This program creates a geometric background of stars and one constellation. Also created in the scene is a grid o

10. Example Appearance
(Other API Tips/Java3D)

The Example class is a base class extended by example applications. The class provides basic features to create a top-level frame, add a menubar and Canvas3D, build the universe, set up "examine" an

11. How to use point lights in Java3D
(Other API Tips/Java3D)

This Java tip illustrates the use of point lights in Java 3D scenes. import java.applet.Applet; import java.awt.AWTEvent; import java.awt.Borde

12. How to write a MIDlet to invoke a CGI script
(Java ME Tips/MIDP)

This example shows how to write a midlet which can invoke CGI scripts. /* License  *   * Copyright 1994-2004 Sun Microsystems,

13. How to create a List in MIDP
(Java ME Tips/MIDP)

This example shows how to create a List in MIDP. /* License  *   * Copyright 1994-2004 Sun Microsystems, Inc.&nbs

14. How to use timers in MIDP animations
(Java ME Tips/MIDP)

This example shows how to use timers in MIDP animations. /* License  *   * Copyright 1994-2004 Sun Microsystems, In

15. How to convert html file into js file
(Java SE Tips/java.io)

This code takes html file as an input and converts it into the js file. import java.io.BufferedReader; import java.io.File; import java.io.FileOutputS

16. How to read XML file in Java
(Java SE Tips/javax.xml.parsers)

This sample code reads the XML file using DOM parser. DOM parser loads the XML file into the memory and makes an object model of it. This Object modal can be traversed to get its elements. This co

17. An example of a program to parse an XML file using SAX
(Java SE Tips/javax.xml.parsers)

This Java tip illustrates a method of an example of a Quintessential program to Parse an XML file Using SAX. The Simple API for XML (SAX)is available with the Java API for XML Processing (JAXP). A

18. An example of a program for creating a DOM document from an XML file
(Java SE Tips/javax.xml.parsers)

This Java tip illustrates a method of an example of a Quintessential program to create a DOM document from an XML file. This may include parsing of an XML document, A DOM document is return upon p

19. How to create an empty DOM document
(Java SE Tips/javax.xml.parsers)

This Java tip illustrates a method of creating an empty DOM document. Java provides a class DocumentBuilder which provides functionality of creating documents. Developer may create various kind of d

20. How to add Undo and Redo to a text component
(Java SE Tips/javax.swing.undo)

This Java tip illustrates a method of adding Undo and Redo to a text component. The Swing toolkit contains an undo manager that can be added to a Document object to provide undo and redo capabilty.

21. How to use Mouse Motion Events in Swing
(Java SE Tips/java.awt.event)

Mouse motion events occur when a mouse is moved over a component. Any component can generate these events, and a class must implement MouseMotionListener interface to support them. The following

22. How to use Mouse Events in Swing
(Java SE Tips/java.awt.event)

Mouse events are generated by the following types of user interaction: A mouse click A mouse entering a component's area A mouse leaving a component's area Any component can generat

23. How to use Key Events in Swing
(Java SE Tips/java.awt.event)

Key events occur when a key is pressed on the keyboard. Any component can generate these events, and a class must implement KeyListener interface to support them. The following example shows how

24. How to use Focus Events in Swing
(Java SE Tips/java.awt.event)

Focus events occur when any component gains or loses input focus on a graphical user interface. Focus applies to all components that can recieve input. To handle a focus event, a class must impl

25. How to map actions with keystrokes
(Java SE Tips/javax.swing)

This Java Swing tip illustrates a method of mapping actions with keystrokes. Developer may use this code to provide shortcuts to users. For example developer may set CTRL-U to change current word

26. How to implement a document cleaner that maps lowercase letters to uppercase
(Java SE Tips/javax.swing)

This Java Swing tip illustrates a method of implementing document cleaner that maps lowercase letters to uppercase. The application behaves as a simple DocumentFilter.

27. How to implement an undo option for Style manipulation
(Java SE Tips/javax.swing)

This Java Swing tip illustrates a method of implementing an undo option for Style manipulation. For example add undo support to the StyleFrame example described in tip titled "How to implement dif

28. Program that matches bracket as user edits document
(Java SE Tips/javax.swing)

This Java tip illustrates a method of matches bracket as user edits document. This tip extends parenthesis matcher tip and extends its functionality. The tip continuously colors as the user edits

29. How to implement bracket matcher
(Java SE Tips/javax.swing)

This Java tip illustrates a method of implementing a simple parenthesis matcher. Developer may use this tip in implementing IDEs of various languages. Developer may also add this as a functionalit

30. How to add colored text to the document
(Java SE Tips/javax.swing)

This Java Swing tip illustrates a method of adding colored-text to the document. This tip is a simple extension of JTextPane that allows the user to easily append colored text to the document.

31. How to change mouse cursor during mouse-over action on hyperlinks
(Java SE Tips/javax.swing)

This Java Swing tip illustrates a method of changing mouse cursor during mouse-over action on hyperlinks. Tip uses a hyperlink listener for use with JEditorPane. Thislistener changes the cursor ov

32. What is New in JAXB 2.0
(Java EE Tips/Java Architecture for XML Binding)

This Tech Tip reprinted with permission by java.sun.com Java Architecture for XML Binding, JAXB, is a technology that simplifies the use of XML content in Java programming language applications. J

33. Document Handling in Web Services Applications
(Java EE Tips/Enterprise Java Beans)

This Tech Tip reprinted with permission by java.sun.com Java EE provides various technology choices for handling XML documents. Three of these technologies are Java Architecture for XML Binding (J

34. Using JAX-WS-Based Web Services with SSL
(Java EE Tips/Java API for XML Web Services)

...=US: Hello World You can see additional information, such as information about the SSL handshake, by adding jvm option -Djavax.net.debug=ssl,handshake. You can do this for the sample by entering ...

35. Developing Web Services Using EJB 3.0
(Java EE Tips/Enterprise Java Beans)

...n This runs the application client and invokes the add operation in the Calculator service 10 times, adding 10 to the numbers 0-to-9. You should see the following in response: run: ...

36. Dialog Modality
(Java SE Tips/javax.swing)

This Tech Tip reprinted with permission by java.sun.com Top-level popup windows in "Java-speak" are called dialog boxes (or simply "dialogs"). They are typically used to interact with a user -- e

37. How to Redirect a Request using Servlet
(Java EE Tips/Java Servlet)

One of the useful things a servlet can do using status codes and a header is redirecting a request. This is done by sending instructions for the client to use another URL in the responses. Redirection

38. Using validator in SAX interface
(Java SE Tips/javax.xml.validation)

One of the main advantages of validation is that we can combine it with standard parsers like SAX. In this case, while handling SAX event we will not care whether the document is valid or not. Valid

39. How to create XML validator from XML schema
(Java SE Tips/javax.xml.validation)

In order to check XML data for validity we have to prepare its schema XSD-file. This file will be loaded by a JAXP package to a Schema objects instance. Then we'll use Schema to produce Validator w

40. Log4j: Revealing the Full Power (Part2)
(Java Tutorials/Tutorials)

...have more than one appender) at the same time. These appenders can be tied to a logger either directly by adding a new appender to that logger or indirectly by adding a new appender to the parent of t...

41. Log4j: A Debugging Perspective (Part1)
(Java Tutorials/Tutorials)

... behavior. Performance The application performance can be affected by adding the overhead logging lines to your code. By careful design and the use of the proper lo...

42. JSTL in Action
(Java Book Reviews/Books)

...xperience on building a website of their own. It tackles issues right from designing a reusable layout to adding dynamic content to the website. This chapter shuts up all those mouths complaining for ...

43. Spring in Action
(Java Book Reviews/Books)

 Book Information Authors: Craig Walls, Ryan Breidenbach Paperback: 472 pages Publisher: Manning Publications (February 11, 2005) Language:

44. Thinking in Java - Third Edition
(Java Book Reviews/Books)

...king for and creating directories Input and output Types of InputStream Types of OutputStream Adding attributes and useful interfaces Reading from an InputStream with FilterInputStream ...

45. Java 2 Micro Edition
(Java Book Reviews/Books)

 Book Information Authors: David Hemphill, James White Paperback: 400 pages Publisher: Manning Publications; 1st edition (April 2002) Lang

46. Learning XML - Second Edition
(Java Book Reviews/Books)

 Book Information Authors: Erik Ray Paperback: 432 pages Publisher: O'Reilly Media, Inc.; 2 edition (September 22, 2003) Language: English

47. Ivor Horton's Beginning Java 2, JDK 5 Edition
(Java Book Reviews/Books)

 Book Information Authors: Ivor Horton Paperback: 1512 pages Publisher: Wrox; 5 edition (December 31, 2004) Language: English ISBN: 07645

48. Java Swing - Second Edition
(Java Book Reviews/Books)

...ing Components Basics covering the environmental information, action and various keyboard based controls. Adding of Labels, Icons, buttons as well as Lists, Combo Boxes, and Spinners to the User Inter...

49. Using WeakHashMap for Listener Lists
(Java SE Tips/java.util)

...ing();    } The next set of methods have to do with adding and removing elements. In addition to accessing the delegate for the storage operati...

50. Introducing the Sun Java Streaming XML Parser
(Java EE Tips/Enterprise Java Beans)

This Tech Tip reprinted with permission by java.sun.com Most Java developers that work with XML are familiar with the Simple API for XML (SAX) and the Document Object Model (DOM) libraries