class Super { public Integer getLenght() { return new Integer(4); } } public class Sub extends Super { public Long GetLenght() { return new Long(5); } public static void main(String[] args) { Super sooper = new Super(); Sub sub = new Sub(); System.out.println( sooper.getLenght().toString() + “,” + sub.getLenght().toString() ); } } What is the output?()
- A、 4,4
- B、 4,5
- C、 5,4
- D、 5,5
- E、 Compilation fails.
正确答案:A
答案解析:有
微信扫一扫手机做题