1. Flock
(Java Applications/News Aggregator)

Flock is an RSS aggregator written in Java. It is a server-side web application accessible with a browser, similar in spirit to AmphetaDesk . Take a look at the completed tasks for a list of featu

2. ImageJ
(Java Libraries/Image Editing/Processing Library)

... Linux, Mac OS 9, Mac OS X, Windows, and the Sharp Zaurus PDA. Open Source: ImageJ and its Java source code are freely available and in the public domain. No license is required. Use...

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

... Listener is one of the most popular technologies used in the J2EE web application. It is part of the Java Servlet as defined in Servlet 2.3 but they have their own specific functionalities. There a...

4. Introduction to Servlet Listener using NetBeans
(Java Tutorials/Tutorials)

... Listener is one of the most popular technologies used in the J2EE web application. It is part of the Java Servlet as defined in Servlet 2.3 but they have their own specific functionalities. There a...

5. Schedule task periodically
(Java SE Tips/java.lang)

...to be run periodically for example GUI screen should update the data from server periodically. This java tips illustrate a method of scheduling a task periodically. Developers may use it for repet...

6. How to create a ProgressBar
(Java SE Tips/javax.swing)

...below shows how to use progress bars in Swing applications: import java.awt.*; import java.awt.event.*; import javax.swing.*;  public ...

7. Understanding JMX Technology
(Java EE Tips/Enterprise Java Beans)

This Tech Tip reprinted with permission by java.sun.com Java Management Extensions (JMX) technology offers programmers the ability to add monitoring and management to their Java applications. In e

8. 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

9. 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

10. Serp
(Java Libraries/ByteCode Library)

Bytecode manipulation is a powerful tool in the arsenal of the Java developer. It can be used for tasks from compiling alternative programming languages to run in a JVM, to creating new classes on the

11. Latest Additions - 08.06.06 (160 new tips)
(Newsflashes/NewsFlashes)

Java SE Tips / java.awt How to find size of string drawn on a component Java SE Tips / java.util Using WeakHashMap for Listener Lists How to set a timer for a task to run at

12. Struts in Action: Building Web Applications with the Leading Java Framework
(Java Book Reviews/Books)

...in web application related concepts will definitely prove helpful for them. Moreover prior knowledge of Java syntax will help them grasping the concepts with more ease. Although knowledge of above men...

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

...y important for the reader. Although the initial parts of the book may not be of great help for advance Java programmers but definitely they won’t get disappointed by the rich technical treat served b...

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

...o use Spring in their J2EE applications for an easy development process. Using Spring in the Enterprise Java development not only makes the application development easier but also more efficient for t...

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

...n.com Link  Book Review Thinking in Java by Bruce Eckel is a complete guide to the Java programming language as it strikes a proper ...

16. PMD Applied
(Java Book Reviews/Books)

...  Book Review About PMD PMD is a Java Static code analysis tool written by a team of Expert Java programmers. PMD could be used t...

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

... and Bert Bates, this book has lived up to its expectations, and stands out as one of the top titles on Java. Those who enjoyed reading any of the Head First titles will surely enjoy this book. ...

18. Head First Design Patterns
(Java Book Reviews/Books)

...oks. The Head First concepts are designed by Kathy Sierra and Bert Bates, the authors of the Head First Java. Purpose Design Patterns have become the part and parcel of every developer irresp...

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

This 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

20. How to handle long-running tasks in a Swing application
(Java SE Tips/javax.swing)

This Java Swing tip demonstrates several examples of how to handle long-running tasks. Different long running tasks may be such as querying a remote resource. The tip illustrates three wa

21. How to generate EJB interfaces
(Java EE Tips/XDoclet)

To generate the interfaces (home, local home, remote, and local), you must do two things. You need to add the appropriate XDoclet tags to the bean implementation class, and then add the correct su

22. Automated code generation
(Java EE Tips/XDoclet)

... > <!-- sets up the task--> <fileset dir="$"> <include name="**/*Bean.java" /> </fileset> <!-- adds subtasks to generate code--> <r...

23. Building a simple form
(Java EE Tips/JavaServer Faces)

... state of the forms, validates user-input reporting errors, lets you bind user interface components to JavaBean properties, and does many other things that increase your productivity. JSF also ha...

24. SSH Factory
(Java Libraries/SSH)

SSH Factory is a set of Java based client components for communicating with SSH and telnet servers. Including both SSH (Secure Shell) and telnet components, developers will appreciate the easy-to-

25. What can I do if Netbeans IDE runs out of memory (OutOfMemoryError is thrown)?
(Other API Tips/NetBeans)

... the leaks are not massive and they are slowly degrading performance with more and more live objects on Java heap and finally resulting in an OOME. In these cases it might be useful to generate a dump...

26. Can I have my files on network drives?
(Other API Tips/NetBeans)

For faster performance, install the IDE and JDK on local drives rather than network drives. It is also recommended to keep project files on local drives. Project files on a slow network can signif

27. My NetBeans IDE is slow. What can I do?
(Other API Tips/NetBeans)

...bed here with hints how to improve the performance. Problems related to memory usage If your Java process requires more memory than underlying OS can provide it can cause swapping of pages ...

28. JTopas
(Java Applications/Parser Generator)

The JTopas project provides a small, easy-to-use Java library for the common problem of parsing arbitrary text data. These data can come from a simple configuration file with a few comments, a HTM

29. Latest Additions - 15.12.05 (100 new tips)
(Newsflashes/NewsFlashes)

Java SE Tips / java.lang What is a Java compiler What is Java source code What is Java bytecode What is a Java Virtual Machine What is the Java Runtime Environment What is Jav

30. User Datagram Protocol Programming
(Java SE Tips/java.net)

This Tech Tip reprinted with permission by java.sun.com It's often the case that when someone shows some network programming that uses the standard J2SE libraries, the code is for the sockets-base

31. Pooling threads to execute short tasks
(Java SE Tips/java.util.concurrent)

This Tech Tip reprinted with permission by java.sun.com If you develop programs that execute many short-lived tasks, it's wise to take advantage of a technique called thread pooling. Instead o

32. Latest Additions - 05.12.05 (180 new tips)
(Newsflashes/NewsFlashes)

Java SE Tips / java.lang How to print classpath Java SE Tips / java.awt.print How to display a Print Dialog in an application How to display the page format dialog How t

33. Yawn
(Java Libraries/Neural Networks)

Yawn (Yet Another Network) is a Java™ framework for training and testing neural networks independently from the neural model and the test environment being used. The models implemented so fa

34. How to use Scriptdef task
(Other API Tips/Ant)

...ly as the complexity of the script increases it would be better to migrate the task definition into a Java based custom task. Note: This task depends on external libraries not included in th...

35. How to use Script task
(Other API Tips/Ant)

...rom the script, using either their name or id attributes (as long as their names are considered valid Java identifiers, that is). The name "project" is a pre-defined reference to the Project, which...

36. How to use ServerDeploy tasks
(Other API Tips/Ant)

...orted are nested vendor-specific elements. Generic element This element is provided for generic Java-based deployment tools. The generic task accepts (but does not require) nested arg and ...

37. How to use NetRexxC task
(Other API Tips/Ant)

...e. Only NetRexx files that have no corresponding class file or where the class file is older than the java file will be compiled. Files in the source tree are copied to the destination directory, ...

38. How to use Native2Ascii task
(Other API Tips/Ant)

..." src="srcdir" dest="srcdir" includes="**/*.eucjis" ext=".java"/> Converts all files in the directory srcdir ending ...

39. How to use JUnit task
(Other API Tips/Ant)

... the tests in a separate VM. No; default is off. forkmode Controls how many Java Virtual Machines get created if you want to fork some tests. Possible values are ...

40. How to use FTP task
(Other API Tips/Ant)

...fied time as the original source files (applies to getting files only). (Note: Ignored on Java 1.1) No; defaults to false. Note about remotedir attribute ...

41. How to use EJB tasks
(Other API Tips/Ant)

... EJB Tasks Introduction Ant provides a number of optional tasks for developing Enterprise Java Beans (EJBs). In general these tasks are specific to the particular vendor's EJB Server. ...

42. How to use Depend task
(Other API Tips/Ant)

Depend A task to manage Java class file dependencies. Description The depend task works by determining which classes are out of date with respect to their source and then removing th

43. How to use Continuus Support tasks
(Other API Tips/Ant)

... it is not on the PATH No Examples <ccmcheckin file="c:/wa/com/foo/MyFile.java" comment="mycomment"/> Checks in the file c:/wa/com/foo/M...

44. How to use .NET tasks
(Other API Tips/Ant)

...n use these tasks to cover the .NET side of the problem. Here, cross-platform can mean more than just Java and .NET: the C++ tasks in the ant-contrib project on sourceforge can be used with Ant to ...

45. How to use Zip task
(Other API Tips/Ant)

...is consistent with the command line ZIP tools, but causes problems if you try to open them from within Java and your filenames contain non US-ASCII characters. Use the encoding attribute and set it...

46. How to use Typedef task
(Other API Tips/Ant)

...once using the file or resource attributes. These attributes point to files in the format of Java property files or an xml format. For property files each line defines a singl...

47. How to use Rmic task
(Other API Tips/Ant)

... whether to include the Ant run-time libraries; defaults to yes. No includeJavaRuntime whether to include the default run-time libraries from the executing V...

48. How to use PreSetDef task
(Other API Tips/Ant)

...eed to be preset are placed here. Examples The following fragment defines a javac task with the debug, deprecation srcdir and destdir attributes set. It also ...

49. How to use Pathconvert task
(Other API Tips/Ant)

...lt;filelist id="custom_tasks.jars" dir="$/ant/lib" files="njavac.jar,xproperty.jar"/> then: <pathconvert targetos="unix" ...

50. How to use Parallel task
(Other API Tips/Ant)

...ken when using multithreading to ensure the tasks within the threads do not interact. For example, two javac compile tasks which write classes into the same destination directory may interact where ...