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class A {
A(String s) {
}
A() {
}
}
1. class B extends A {
2. B() { }
3. B(String s) {
4. super(s);
5. }
6. void test() {
7. // insert code here
8. }
9. }

Which of the below code can be insert at line 7 to make clean
compilation ?

A.	A a = new B();	B.	A a = new B(5);
C.	A a = new A(String s);	D.	All of the above

Answer and Explanation

Answer:A a = new B();

Explanation:
A a = new B(); is correct because anonymous inner classes are no different from any
other class when it comes to polymorphism.

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