試題詳解

What is the result?
(A) Compilation fails because of an error in line 3.
(B) Compilation fails because of an error in line 7.
(C) Compilation fails because of an error in line 9.
(D) If you define D e = new E(), then e.bMethod() invokes the version of bMethod() defined in Line 5.
(E) If you define D e = D(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 5. 

(AB) If you define D e = D(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 9.