QUESTION 60

QUESTION 60 
Given: 
 
3. import java.util.*; 
4. public class Hancock { 
5.         // insert code here 
6.         list.add("foo"); 
7.     } 
8. } 
 
Which two code fragments, inserted independently at line 5, will compile without warnings? (Choose two.) 
 
A. public void addStrings(List list) { 
B. public void addStrings(List<String> list) { 
C. public void addStrings(List<? super String> list) { 
D. public void addStrings(List<? extends String> list) { 
Solution : BC