Determine output of the following code. interface A { } class C { } class D exte

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Determine output of the following code.
interface A { }
class C { }
class D extends C { }
class B extends D implements A { }
public class Test extends Thread{
public static void main(String[] args){
B b = new B();
if (b instanceof A)
System.out.println("b is an instance of A");
if (b instanceof C)
System.out.println("b is an instance of C");
}
}

Options:

A . Nothing.

B . b is an instance of A.

C . b is an instance of C.

D . b is an instance of A followed by b is an instance of C.

Answer: Option D

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