A.String str2 = "Duke";

B.String str2 = str1;

C.String str2 = sb1. toString ();

D.String str2 = new String (str1);

A.Option C

B.Option A

C.Option D

D.Option B

A.Option B

B.Option E

C.Option C

D.Option D

E.Option A

A.Faster code at runtime

B.More efficient code at runtime

C.More dynamic code at runtime

D.More flexible and reusable code

E.Code that is protected from extension by other classes

A.0

B.-1

C.An exception is thrown at runtime.

D.5