class A { public void test() { System.out.println("A"); } } class B extends A { public void test() { System.out.println("B"); } } public class C extends A { public void test() { System.out.println("C"); } public static void main(String[] args) { A bl = new A(); A b2 = new C(); bl = (A) b2; // line n1 A b3 = (B) b2; // line n2 b1.test(); b3.test(); } }What is the result?

Question

class A {    public void test() {      System.out.println("A");    }  }    class B extends A {    public void test() {      System.out.println("B");    }    }    public class C extends A {    public void test() {      System.out.println("C");    }      public static void main(String[] args) {      A bl = new A();      A b2 = new C();      bl = (A) b2; // line n1      A b3 = (B) b2; // line n2      b1.test();      b3.test();    }  }What is the result?

Examsnet · Accepted Answer

Correct Answer is :  A ClassCastException is thrown only at line n2.

Java SE 8 Programmer 1Z0–808 Practice Full Test 1