gistfile1.java

class A {
    public void publ() {
        this.priv();
    }
    private void priv() {
        System.out.println("A PRIVATE");
    }
}

class B extends A {
    private void priv() {
        System.out.println("B PRIVATE");
    }
}

public class Test {
    public static void main(String args[]) {
        B b = new B();
        b.publ();

        A a = new B();
        a.publ();
    }
}