Results 1 to 3 of 3
  1. #1
    javastuden's Avatar
    javastuden is offline Senior Member
    Join Date
    Nov 2009
    Posts
    180
    Rep Power
    11

    Default why this pgm is getting NUllPointer.

    hi
    why this pgm is getting NUllPointer.
    XML Code:
    public class Split {
    	static Integer intobj;
    	static void print(int val){
    		int x=10;
    		System.out.printf("%d", x+val);
    	}
    public static void main(String[] args) {
    	print(intobj);
    }
    }

  2. #2
    AndrewM16921 is offline Senior Member
    Join Date
    Jan 2009
    Location
    CA, USA
    Posts
    271
    Rep Power
    12

    Default Re: why this pgm is getting NUllPointer.

    You need to initialize intobj.
    use:

    static Integer intobj = new Integer(10);

  3. #3
    Ronin is offline Senior Member
    Join Date
    Oct 2010
    Posts
    393
    Rep Power
    10

    Default Re: why this pgm is getting NUllPointer.

    Or, declare intobj as an int.
    The difference being Integer is an object whilst int is a primative data type.

    Regards.

Similar Threads

  1. nullpointer exception
    By empire in forum Eclipse
    Replies: 3
    Last Post: 06-12-2013, 04:31 AM
  2. NULLPointer Exception
    By phyzix5761 in forum New To Java
    Replies: 7
    Last Post: 11-08-2012, 05:53 AM
  3. Nullpointer exception
    By Games2Design in forum New To Java
    Replies: 4
    Last Post: 10-20-2012, 01:15 AM
  4. Nullpointer exception
    By naveen516 in forum New To Java
    Replies: 2
    Last Post: 12-19-2011, 05:36 AM
  5. NullPointer help
    By moosick in forum AWT / Swing
    Replies: 1
    Last Post: 04-02-2011, 03:35 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
  •