1. How to use colored backgrounds in Java3D
(Other API Tips/Java3D)

...p; private boolean shouldCompile = true;   //  GUI objects for our subclasses   protected Java3DFrame exampl...

2. Example Appearance
(Other API Tips/Java3D)

...;objRoot.addChild(background);     // Create a bunch of objects with a behavior and add them     /...

3. Scenegraph that illustrates many of the Java 3D scenegraph Nodes
(Other API Tips/Java3D)

...bsp;between the branch of a scene, and a  * collision object. The Java 3D 1.2 picking utilities are used&nbs...

4. How to create a large hollow box
(Other API Tips/Java3D)

....j3d.PickBounds; import javax.media.j3d.PolygonAttributes; import javax.media.j3d.SceneGraphObject; import javax.media.j3d.Transform3D; import javax.media.j3d.TransformGrou...

5. How to use linear fog with a clip node
(Other API Tips/Java3D)

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     // Check&nbsp...

6. How to use linear fog in Java3D
(Other API Tips/Java3D)

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     // Check&nbsp...

7. How to create exponential fog in Java3D
(Other API Tips/Java3D)

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     // Check&nbsp...

8. How to use spot lights in Java3D
(Other API Tips/Java3D)

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     if (src ==&...

9. How to use light influencing bounds and bounding leaves
(Other API Tips/Java3D)

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     if (src ==&...

10. How to use light scope groups in Java3D
(Other API Tips/Java3D)

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     if (src ==&...

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

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     if (src ==&...

12. How to use ambient lights in Java3D
(Other API Tips/Java3D)

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     if (src ==&...

13. How to use directional lights in Java3D
(Other API Tips/Java3D)

...  public void itemStateChanged(ItemEvent event) {     Object src = event.getSource();     if (src ==&...

14. How to create a multiple choice List
(Java ME Tips/MIDP)

...nbsp;Display display;      // Reference to display object    private Command cmExit;     &nbs...

15. How to create a Maze game in J2ME
(Java ME Tips/MIDP)

...;//----------------------------------------------------------------   //  game object fields   /**    * The canvas that&n...

16. How to create a ChoiceGroup with Images
(Java ME Tips/MIDP)

...nbsp;Display display;      // Reference to display object    private Form fmMain;      &...

17. How to create multiple ChoiceGroup
(Java ME Tips/MIDP)

...nbsp;Display display;      // Reference to display object    private Form fmMain;      &...

18. How to create a Todo Management MIDlet
(Java ME Tips/MIDP)

...temStateListener(this);     // Create a display manager object     displayMgr = new DisplayManager(display, ...

19. Use of clone method - cloning objects
(Java SE Tips/java.lang)

The reason for making a local copy of an object is if you’re going to modify that object and you don’t want to modify the caller’s object. If you decide that you want to make a local copy, you simply

20. How to pass reference in a method
(Java SE Tips/java.lang)

You should be reasonably comfortable with the idea that when you’re “passing” an object, you’re actually passing a reference. A sample experiment demonstrates this: p

21. How to explicitly invoke Garbage Collection in Java
(Java SE Tips/java.lang)

...e collection asynchronously depending on the available resources. When there are no more references to an object, the object is finalized and when the Garbage Collections starts these finalized object...

22. Linked List Implementation in Java
(Java SE Tips/java.lang)

...bsp;item.      */     public void insert( Object x, LinkedListIterator p ) {      &n...

23. Quickselect Implementation with median-of-three partitioning and cutoff for small arrays
(Java SE Tips/java.lang)

... an array.      * @param a an array of objects.      * @param index1 the index of...

24. Quick Sort Implementation with median-of-three partitioning and cutoff for small arrays
(Java SE Tips/java.lang)

... an array.      * @param a an array of objects.      * @param index1 the index of...

25. Heap Sort Implementation in Java
(Java SE Tips/java.lang)

... an array.      * @param a an array of objects.      * @param index1 the index of...

26. How to write Finalization Code in Java
(Java EE Tips/Enterprise Java Beans)

Every class inherits finalize() method from Object class and method is usually called by the garbage collector when ensures that no more references to the object exist .object class finalize method pe

27. How to use the SimpleUniverse class to create a basic Java3D Application
(Other API Tips/Java3D)

...rate on the content. This is what writing a Java 3D program is really about. Create a Canvas3D Object Create a SimpleUniverse object which references the earlier Canvas3D object Cus...

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

...st of all let's examine how appenders was created and used: First you have to create a SimpleLayout object as we did in line A. Next you create your appender passing the layout object and th...

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

... to use in our example. Line 5 retrieves a logger. For now you can consider a logger to be simply an object responsible for printing log message. If you have a class and you need to perform loggi...

30. SWT/JFace in Action : GUI Design with Eclipse 3.0
(Java Book Reviews/Books)

...s with Commands D.6 The Controller aspect: EditPart classes D.7 Creating Commands with EditPolicy objects D.8 Adding Actions to the editor D.9 Editing with GEF: two examples D.10 I...

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

...epts to the business layer of the application. It extensively says about Spring’s support for data access object. Usage of JDBC with Spring is also taken into account by the author. Hibernate framewor...

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

...al Java features and techniques which programmers are likely to need. It covers various topics right from Object Oriented Programming concepts to inheritance, Polymorphism, interfaces, Error handling ...

33. Head First Servlets and JSP: Passing the Sun Certified Web Component Developer Exam (SCWCD)
(Java Book Reviews/Books)

...er huge volumes and doesn’t form the part of the syllabus. Each chapter lists out the exam objectives and specifies to what extent the objectives shall be covered and then an introducti...

34. Computing Concepts with Java Essentials
(Java Book Reviews/Books)

...uage that is quickly rising in popularity among applications programmers the world over, due to it’s pure Object-Oriented structure, C++-based syntax, extensive system libraries, and protective abstr...

35. Java Cookbook - Second Edition
(Java Book Reviews/Books)

...n “JDK 5-only” concepts like Enumerations, Generics and foreach loops. The ninth chapter is dedicated for object oriented techniques and 11 cool recipes have been presented here. The next three c...

36. Head First Java - Second Edition
(Java Book Reviews/Books)

...by itself could be considered as a lecture given by the authors. In the first ten chapters, Java and Object oriented fundamentals are narrated and then it is followed by a chapter each on Excepti...

37. Effective Java Programming Language Guide
(Java Book Reviews/Books)

...erialization techniques. Just make a note that these chapters do not teach you basics like ‘how to create objects in Java’ or ‘how to use static methods in Java’. They guide you on the best practices ...

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

...his Tech Tip reprinted with permission by java.sun.com The May 11, 1999 Tech Tip titled Reference Objects introduced the concept of reference objects, but didn't go into much depth. In this ...

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

...Most Java developers that work with XML are familiar with the Simple API for XML (SAX) and the Document Object Model (DOM) libraries. SAX is an event-based API, which means that a programmer typica...

40. Using the Java XML Digital Signature API
(Java EE Tips/XML Digital Signature API)

...viderName).newInstance()); The code then creates Reference and SignedInfo objects. These map directly to their respective elements in the XML signature. ...

41. Accessing a Secure Enterprise Bean From a Java Client or Through Java Web Start Technology
(Java EE Tips/Enterprise Java Beans)

...gin pm = new ProgrammaticLogin(); pm.login(userId, password); Context initial = new InitialContext(); Object objref = initial.lookup("ejb/mgmt/MEJB"); ManagementHome home = (ManagementHome)Porta...

42. Using AJAX With Non-HTML Markup in JSF
(Java EE Tips/JavaServer Faces)

...p;= new Array();        formValues[0] = new Object();        formValues[0].id = control.par...

43. Persisting a home object reference
(Java EE Tips/Enterprise Java Beans)

Sometimes it could be useful to save (serialize) an EJB home object reference so that you can avoid looking it up again using JNDI. By storing a previously retrieved home object reference of an EJ

44. JSTL - Accessing compound bean properties
(Java EE Tips/JavaServer Pages)

...se it contains references to strings. On initialization of person we set its name property to a bean object we create earlier. We use <c:set> action with EL expressions to modify the fir...

45. What are the main differences between programming for a J2ME JVM, and programming for a J2SE JVM
(Java ME Tips/MIDP)

... much more careful use of instances than J2SE developers will be used to. It will be necessary to re-use objects rather than creating new ones, and the developer will have to help the garbage colle...

46. JamVM
(Java Applications/Java Virtual Machine)

...ike other small VMs (e.g. KVM) it is designed to support the full specification, and includes support for object finalisation, Soft/Weak/Phantom References, the Java Native Interface (JNI) and the Ref...

47. Retrieving multiple BMP entity beans in a single step
(Java EE Tips/Enterprise Java Beans)

...ing firstName)             throws ObjectNotFoundException {           &nbs...

48. Comparing two EJB references for equality
(Java EE Tips/Enterprise Java Beans)

When an EJB client retrieves or creates an EJB reference, the EJB container provides a stub object reference that points to the actual bean. That means that the reference contained by the client

49. How to obtain FontMetrics of different fonts
(Java SE Tips/javax.swing)

... about the widths and heights of characters and strings when drawing text on a surface. A FontMetrics object references a font and surface since fonts may have different metrics on different sur...

50. What are the Java data types
(Java SE Tips/java.lang)

Java has two groups of data types, primitive data types and object references. Java Primitive Data Types Data TypePurposeContentsDefault Value* boolean Truth value true or false fales