package annotation;
import java.security.PublicKey;
public class TestAnnotation {
@SuppressWarnings(value = {"Unused","rawtypr"}) public static void main(String[] args) { Person person = new Person(); System.out.println(person);//toString }}
class Person{
/** * 原因： * 替代方案： */ @Deprecated public Person(){ } public Person(String name){ }// @Override
// public String toString(){
// return “比特人”;
// }
@Override public String toString() { return super.toString(); }}
