现有: class Bird { void talk() { System.out.print("chirp "); } } class Parrot2 extends Bird { protected void talk() { System.out.print("hello "); public static void main(String [] args) { Bird [] birds = {new Bird(), new Parrot2 () }; for( Bird b : birds) b.talk () ; } } 结果是什么 ?()
- A chirp chirp
- B hello hello
- C chirp hello
- D编译错误