A.compilation error

B.0 5

C.6 13

D.5 12

A.Option A

B.Option B

C.Option C

D.Option D

A.b1.foo(c) prints Hello world!

B.f1.foo(c) prints Ola Mundo!

C.f2.foo(c) prints Bonjour le monde!

D.b1.foo(c) prints Ola Mundo!

E.f1.foo(c) prints Hello world!

F.f2.foo(c) prints Ola Mundo!

G.b1.foo(c) prints Bonjour le monde!

H.f1.foo(c) prints Bonjour le monde!

I.f2.foo(c) prints Hello world!

A.Function<Integer, Integer> f = n -> n * 2;

B.Function<Integer> f = n -> n * 2;

C.Function<int> f = n -> n * 2;

D.Function<int, int> f = n -> n * 2;

E.Function f = n -> n * 2;

A.The compilation fails because there is no zero args constructor defined in class X.

B.The compilation fails because either class X or class Y needs to implement the toString() method.

C.The compilation fails because a final class cannot extend another class.

D.The compilation succeeds.