How to access the private variables of a class in its subclass?

Question

This is a question I was asked in an interview: I have class A with private members and Class B extends A. I know private members of a class cannot be accessed, but the qu

Answer 1

A nested class can access to all the private members of its enclosing class—both fields and methods. Therefore, a public or protected nested class inherited by a subclass has indirect access to all of the private members of the superclass.

public class SuperClass
{
    private int a = 10;
    public void makeInner()
    {
        SubClass in = new SubClass();
        in.inner();
    }
    class SubClass
    {
        public void inner()
        {
            System.out.println("Super a is " + a);
        }
    }
    public static void main(String[] args)
    {
        SuperClass.SubClass s = new SuperClass().new SubClass();
        s.inner();
    }
}