Results 1 to 4 of 4
  1. #1
    Flamey is offline Member
    Join Date
    Jun 2011
    Posts
    2
    Rep Power
    0

    Default Variables in MainMethod(). Local or Instance.

    Hi forum,

    I was wondering if anyone of you would help me.

    Are variables that are defined at the start of the mainMethod() Local or Instance?

    As I understand it, variables in a method are classed as Local.
    Variables defined in a class, but outside all methods are called Instance variables.

    So that would make the variables inside mainMethod() Local.

    But mainMethod() is a bit special, so I'd like to double check.

    Kind Regards

    Flamey

  2. #2
    Junky's Avatar
    Junky is offline Grand Poobah
    Join Date
    Jan 2011
    Location
    Dystopia
    Posts
    3,798
    Rep Power
    7

    Default

    Quote Originally Posted by Flamey View Post
    As I understand it, variables in a method are classed as Local.
    Variables defined in a class, but outside all methods are called Instance variables.
    Correct.

    So that would make the variables inside mainMethod() Local.

    But mainMethod() is a bit special, so I'd like to double check.
    Do you mean the method called main which is the main entry point into a program? The main method is not "a bit special" other than it is static. So yes any variables declared inside main are also local.

  3. #3
    Junky's Avatar
    Junky is offline Grand Poobah
    Join Date
    Jan 2011
    Location
    Dystopia
    Posts
    3,798
    Rep Power
    7

    Default

    Quote Originally Posted by Flamey View Post
    but outside all methods are called Instance variables.
    Just to clear one thing up.
    Java Code:
    class Foo {
        static Bar b = new Bar();
    }
    In the above code the b variable is neither local nor an instance variable. It is a static variable.

  4. #4
    Flamey is offline Member
    Join Date
    Jun 2011
    Posts
    2
    Rep Power
    0

    Default

    Thank you very much Junky for you speedy and informative reply. :)

Similar Threads

  1. Instance variables
    By lala in forum New To Java
    Replies: 1
    Last Post: 01-26-2011, 05:38 PM
  2. Are Local variables thread safe ?
    By samson in forum Threads and Synchronization
    Replies: 6
    Last Post: 12-21-2010, 03:34 PM
  3. Local variables unavailable
    By Onra in forum New To Java
    Replies: 9
    Last Post: 11-25-2009, 10:39 PM
  4. What are Instance variables and static variables?
    By sandeshforu in forum New To Java
    Replies: 3
    Last Post: 09-09-2009, 06:48 PM
  5. Re-docking the Local Variables window
    By ScottVal in forum NetBeans
    Replies: 0
    Last Post: 01-20-2009, 08:59 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •