Basic java Oops concept

Asked Apr 02 '18 at 13:50

Active Apr 02 '18 at 13:50

Viewed 61 times

 public class A {

     static int count = 10;
 }

 public class Test {

     public static void main(String[] args) {

       A a = null;
       System.out.println(a.count);
    } 
 }

Expected Output:

Null Pointer Exception.

Actual Output:

10

can anybody explain this, why it hasn't thrown null pointer exception rather it has printed the value of count?

asked Apr 02 '18 at 13:50

Ravi Ranjan Kumar

It's a static field. so `a.count` is the same as `A.count` – Hovercraft Full Of Eels Apr 02 '18 at 13:51
It's static variable. So basically, a.count is same as A.count. – sayboras Apr 02 '18 at 13:51
2

Excellent answer in the duplicate, and I urge you to read it. It quotes from the Java Language Specification (JLS) and pertains precisely to this question. – Hovercraft Full Of Eels Apr 02 '18 at 13:53
Thanks, @Hovercraft Full Of Eels – Ravi Ranjan Kumar Apr 02 '18 at 13:56

Basic java Oops concept

Null Pointer Exception.

10

0 Answers0