试题详情
单项选择题 class Bird {  static void talk() { System.out.print("chirp "); }  }  class Parrot extends Bird {  static void talk() { System.out.print("hello "); }  public static void main(String [] args) {  Bird [] birds = {new Bird(), new Parrot()};  for( Bird b : birds)  b.talk();  }  }  结果为:() 

A、chirp chirp

B、chirp hello

C、hello hello

D、编译失败

  • A
  • 关注下方微信公众号,在线模考后查看

热门试题