Object Oriented Programming Mock Test 4

1. Use of pointers or reference to an abstract class gives rise to which among the following feature?

2. What will be the output of the following code?

import java.awt.Point;
class Testing
{
	public static void main(String[] args)
	{
		Point p1,p2;
		p1=new Point(100,100);
		p2=p1;
		p1.x=200;
		p1.y=200;
		System.out.println(“Point 1: ” + p1.x + ”, “ + p1.y);
		System.out.println(“Point 2: ” + p2.x + ”, “ + p2.y);
	}
}

3. Which among the following is the correct advantage/disadvantage of nested classes?

4. When is the memory allocated for an object gets free?

5. Which among the following is true?

6. In java, ____________________ takes care of managing memory for objects dynamically.

7. Constructor function is not called when an object is passed to a function, will its destructor be called when its copy is destroyed?

8. If a declaration of a member in inner class has the same name as that in the outer class, then ________________ enclosing scope.

9. Whenever an object is assigned to a variable or passed to a method ________________

10. A nested class can have its own static members.