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Garbage Collections

Q1:

void start() {  
    A a = new A(); 
    B b = new B(); 
    a.s(b);  
    b = null; /* Line 5 */
    a = null;  /* Line 6 */
    System.out.println('start completed'); /* Line 7 */
}
When is the B object, created in line 3, eligible for garbage collection?

A after line 5

B after line 6

C after line 7

D There is no way to be absolutely certain.

ANS:A - after line 5

The reference was passed to A.s. That reference may still exist, and the original object can still be accessed.



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