class Child extends Parent { }

class Brother extends Parent { }

​

public class prog {

    public static void main(String[] args) {

        Parent p = new Parent();

        System.out.println(p instanceof Object);    // true

        System.out.println(p instanceof Parent);    // true

        System.out.println(p instanceof Child);     // false

        System.out.println();

        Parent c = new Child();

        System.out.println(c instanceof Object);    // true

        System.out.println(c instanceof Parent);    // true

        System.out.println(c instanceof Child);     // true

    }

}