SCJP題庫第197題

 

Given:

11. public static Collection get(){

12.   Collection sorted = new LinkedList();

13.   sorted.add("B"); sorted.add("C"); sorted.add("A");

14.   return sorted;

15. }

16. public static void main(String[] args){

17.   for(Object obj : get()){

18.   System.out.print(obj + ", ");

19. }

20. }

What is the result?

A. A, B, C,

B. B, C, A,

C. Compilation fails.

D. The code runs with no output

E. An exception is thrown at runtime.

 

Ans: B

 

解說:

LinkedList是一般串列，沒排序的功能

先進先出