A.The compilation fails due to an error in line 3.

B.42

C.The compilation fails due to an error in line 4.

D.The compilation fails due to an error in line 1.

E.The compilation fails due to an error in line 5.

F.17

G.The compilation fails due to an error in line 2.

A.public void z() { } // position 3

B.implements A // position 1@Override // position 2

C.@Override // position 3void x () {} // position 3@Override // position 3public void z() { } // position 3

D.@Override // position 2public void z() { } // position 3

A.System.in cannot reassign the other stream.

B.System.out is an instance of java.io.OutputStream by default.

C.System.in is the standard input stream. The stream is already open.

D.System.out is the standard output stream. The stream is open only when System.out is called.

A.

B.

C.

D.

A.f2.foo(li) prints Hello world!

B.f1.foo(li) prints Hello world!

C.f2.foo(li) prints Hola Mundo!

D.b1.foo(li) prints Hola Mundo!

E.f2.foo(li) prints Bonjour le monde!

F.b1.foo(li) prints Hello world!

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

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

I.f1.foo(li) prints Hola Mundo!