Given： 
What is the result？（）
- A、Exception
- B、A NullPointerException is thrown at runtime.
- C、Compilation fails because of an error in line 20.
- D、Compilation fails because of an error in line 14.
正确答案:D
答案解析:有
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Oracle认证考试
Oracle认证考试
Given： What is the result？（）
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