Dany jest kod:

class X {
}
class A extends X {
}
class B extends X {
}
public class SomeClass {
    public static void main(String[] args) {
        X objx = new A();
        B objb = new B();
        System.out.println(objb instanceof B); // linia 1
        System.out.println(objx instanceof X); // linia 2
        System.out.println(objb.getClass());   // linia 3
        System.out.println(objx.getClass());   // linia 4
    }
}