类

package com.atguigu.java2;
import java.io.Serializable;
/**
 * @author Dxkstart
 * @create 2021-06-07 13:37
 */
public class Creature<T> implements Serializable {//生物
    private char gender;//性别
    public double weight;
    private void breath(){
        System.out.println("生物呼吸");
    }
    public void eat(){
        System.out.println("生物吃东西");
    }
}

package com.atguigu.java2;
/**
 * @author Dxkstart
 * @create 2021-06-07 13:37
 */
@MyAnnotion
public class Person extends Creature<String> implements Comparable<String>,MyInterface{
    private String name;
    int age;
    public int id;
    public Person(){
    }
    @MyAnnotion
    private Person(String name){
        this.name = name;
    }
    @MyAnnotion
    private String show(String nation){
        System.out.println("我的国籍是：" + nation);
        return nation;
    }
    public String display(String interests){
        return interests;
    }
    @Override
    public void info() {
        System.out.println("我是一个人");
    }
    @Override
    public int compareTo(String o) {
        return 0;
    }
}