public static void main(String[] args) { String str = “null‟; if (str == null) { System.out.println(”null”); } else (str.length() == 0) { System.out.println(”zero”); } else { System.out.println(”some”); } } What is the result?()
- A、 null
- B、 zero
- C、 some
- D、 Compilation fails.
- E、 An exception is thrown at runtime.
正确答案:D
答案解析:有

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