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Java Newsletters Archive: 169

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=== [ The Java FAQ Daily Tips, weekly publication ] ===

Issue No: 169 3 July 2003
13435 subscribers

"...if you have no mentors around in the initial stages."
"This book has saved me hours of research...""

Foreword: Excuse me for possible mistakes. English is not native language for me.

In this issue:
  • 1. Where can I find sample code for J2EE guidelines, patterns, and code for end-to-end Java applications?
  • 2. What is date of Java birthday?
  • 3. Latest posts on our message board
  • 4. Link to Java FAQ

  • Hello dear friends!

    Tip 1

    Question: Where can I find sample code for J2EE guidelines, patterns, and code for end-to-end Java applications?

    Answer: J2EE Patterns catalog is set of practical solutions to recurring problems! J2EE Patterns not only help you build simpler systems that work, but they also help you build beautiful programs
    J2EE Patterns catalog is here:

    Tip 2

    Question: What is date of Java birthday?

    Answer: May 23, 1995. John Gage, director of the Science Office for Sun Microsystems, and Marc Andreessen, cofounder and executive vice president at Netscape, stepped onto a stage and announced to the SunWorld audience that Java technology was real, it was official, and it was going to be incorporated into Netscape Navigator, the world's portal to the Internet.

    At that time, the entire Java technology team, not yet a division, numbered less than 30 people.

    More about early history of Java please read here:


    Latest posts on our message board

    bloking Java plugin in applet tog

    How can the default call of the java plugin on the applet tag be blocked so an applet can be run without the plugin. I have an applet that runs fine with out the plugin but stalls with it.
    help here

    Almost no hair left! NullPointerException in EventDispatchThread.

    I get this error after app has been running a while.
    What is the problem and where can I fix? It doesn't happen on my dev machine, but only on the production system.
    Help will be much appreciated!

    at javax.swing.plaf.basic.BasicProgressBarUI.getGenericBox(BasicProgressBarUI.java:477)
    continues here

    Java Web Start

    I have a problem with An Application that is launched by

    I would like to load class-files from jar's or zip-files that are
    not part of the spec. in the Applications jnlp-file.

    I can download the jar from a web-server and place the jar's/zip's in a catalog. And then try to instance the classes that i want from the jars/zips.
    I have tried to write my own class-loader. And it works ok if
    i run the application locally ( not from web-start ).
    continues here

    Watch Training Video on Enterprise JavaBeans For Free(DSL version)

    Hi all,
    We just posted new Training Video on Enterprise JavaBeans(DSL version),it may be helpful for you all.

    Direct Url:
    continues here

    Help in JTextPane


    I am displaying a html file in JTextPane, When I do changes in that file, click on send, These changes should be sent to other user which highlighted text which is changed, I know the highlighting part, but how to send only the changes which have been made, I don't know. I have implemented DocumentListener but I don't know why it is not responding when I attach a HTMLEditor kit with JTextPane
    help here

    JPanel on top of another JPanel

    I've got two JPanels. And I want to show one on top of the other:


    The red one has to be on top of the big bleu JPanel.
    I've tried JLayeredPane() already, but that failed.
    Does anyone has got an idea how to fix this problem.
    help here

    Updating randomAccessFile

    Hi again, ne wday new problem.
    I have a GUI that takes the attributes for a student, name, address etc and stores it to a random file. I everything works fine, but now I have to be able to update the information in the file. When I veiw the student information in the studentpanel, I should be able to edit the textfields and click on an update button that will update the file. I don`t want to append on to the existing file, I just want to overwrite it with the new information...at least thats what I think it should be doing.
    I created my update button and Now I am in the process of figuring out the actionevent for it,,,,except I do not have a clue, I havn`t even been able to find any basic examples of this.
    This is what I have so far.


    if (e.getSource() == jbtUpdate)
    continues here

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