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單項(xiàng)選擇題

11. public static void main(String[] args) { 
12. Object obj = new Object() { 
13. public int hashCode() { 
14. returns 42;
15. } 
16. }; 
17. System.out.println(obj.hashCode()); 
18. }   
What is the result? () 

A. 42
B. An exception is thrown at runtime.
C. Compilation fails because of an error on line 12.
D. Compilation fails because of an error on line 16.
E. Compilation fails because of an error on line 17.

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