java use method in another class
class A { public void a1 ( ) { } private void a2 ( ) { } } class B { private A objA = new A ( ); public void b1 ( ) { // Call to method a1. This works. objA.a1 (); } void b2 ( ) { // Call to method a2. This will give compile error. objA.a2 (); } }