A.Replace line n1 with:import p1. A;Replace line n2 with:import p1. A;import p1. p2.B ;

B.Replace line n1 with:import p1. A;Replace line n2 with:import p1.*;

C.Replace line n1 with:import p1;Replace line n2 with:import p1;import p1. p2;

D.Replace line n1 with:import p1.*;Replace line n2 with:import p1. p2.*;

A.Welcome Log 1:0

B.Welcome Log 2:1

C.Hello Log 2:1

D.Hello Log 1:0

A.After line 11, three objects are eligible for garbage collection.

B.After line 11, none of the objects are eligible for garbage collection.

C.After line 11, one object is eligible for garbage collection.

D.After line 11, two objects are eligible for garbage collection.

A.Option B

B.Option D

C.Option C

D.Option A

A.Code that is protected from extension by other classes

B.More efficient code at runtime

C.More flexible and reusable code

D.More dynamic code at runtime

E.Faster code at runtime