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、Compilationfails.
E、Anexceptionisthrownatruntime.
- D
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