试题详情
- 单项选择题 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.
- D
关注下方微信公众号,在线模考后查看
热门试题