Welcome to the Java Programming Forums


The professional, friendly Java community. 21,500 members and growing!


The Java Programming Forums are a community of Java programmers from all around the World. Our members have a wide range of skills and they all have one thing in common: A passion to learn and code Java. We invite beginner Java programmers right through to Java professionals to post here and share your knowledge. Become a part of the community, help others, expand your knowledge of Java and enjoy talking with like minded people. Registration is quick and best of all free. We look forward to meeting you.


>> REGISTER NOW TO START POSTING


Members have full access to the forums. Advertisements are removed for registered users.

Results 1 to 2 of 2

Thread: java.lang.nullPointerException

  1. #1
    Junior Member
    Join Date
    Dec 2010
    Posts
    24
    Thanks
    0
    Thanked 0 Times in 0 Posts

    Default java.lang.nullPointerException

    what thats mean???

  2. #2
    Super Moderator helloworld922's Avatar
    Join Date
    Jun 2009
    Posts
    2,895
    Thanks
    23
    Thanked 619 Times in 561 Posts
    Blog Entries
    18

    Default Re: java.lang.nullPointerException

    See: Common Java Mistakes - Forgetting to initialize a variable

    It basically means that you have some null value and at that point in time it's invalid to have null.

Similar Threads

  1. Replies: 16
    Last Post: August 27th, 2010, 03:30 PM
  2. problem in java.lang.NullPointerException
    By jianghuzai in forum What's Wrong With My Code?
    Replies: 6
    Last Post: July 28th, 2010, 10:24 AM
  3. java.lang.NullPointerException - Help
    By mds1256 in forum Exceptions
    Replies: 5
    Last Post: November 30th, 2009, 06:31 PM
  4. Please help! Exception in thread "main" java.lang.NullPointerException
    By Arutha2321 in forum What's Wrong With My Code?
    Replies: 2
    Last Post: November 18th, 2009, 02:25 AM
  5. Getting "AWT-EventQueue-0" java.lang.NullPointerException error
    By tryingtoJava in forum AWT / Java Swing
    Replies: 9
    Last Post: September 21st, 2009, 10:46 PM