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.
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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当我们的行为背离了自己的价值观的时候我们就会感受到痛苦
A. 正确
B. 错误
“自下而上”和“自上而下”两种管理信息系统的开发策略各有何优缺点?