标签：Java name age 30 System void println 抽象类 public

  1 public interface SpeakEnglish {
  2     public abstract void speak();
  3 }
  4 
  5 public abstract class Person {
  6     private String name;
  7     private  int age;
  8     public Person(){}
  9     public Person(String name, int age) {
 10         this.name = name;
 11         this.age = age;
 12     }
 13     public String getName() {
 14         return name;
 15     }
 16     public void setName(String name) {
 17         this.name = name;
 18     }
 19     public int getAge() {
 20         return age;
 21     }
 22     public void setAge(int age) {
 23         this.age = age;
 24     }
 25     public abstract void eat();
 26 }
 27 
 28 public abstract class Coach extends Person{
 29     public Coach() {
 30     }
 31     public Coach(String name, int age) {
 32         super(name, age);
 33     }
 34     public abstract void teach();
 35 }
 36 
 37 public abstract class Player extends Person{
 38     public Player() {
 39     }
 40     public Player(String name, int age) {
 41         super(name, age);
 42     }
 43     public abstract void study();
 44 }
 45 
 46 public class BasketballCoach extends Coach{
 47     public BasketballCoach() {
 48     }
 49     public BasketballCoach(String name, int age) {
 50         super(name, age);
 51     }
 52     @Override
 53     public void eat() {
 54         System.out.println("篮球教练吃炒饭!");
 55     }
 56     @Override
 57     public void teach() {
 58         System.out.println("篮球教练教运球和投篮!");
 59     }
 60 }
 61 
 62 public class BasketballPlayer extends Player{
 63     public BasketballPlayer() {
 64     }
 65     public BasketballPlayer(String name, int age) {
 66         super(name, age);
 67     }
 68     @Override
 69     public void eat() {
 70         System.out.println("篮球运动员吃炒年糕");
 71     }
 72     @Override
 73     public void study() {
 74         System.out.println("篮球运动员学习运球和投篮!");
 75     }
 76 }
 77 
 78 public class PingPangCoach extends Coach implements SpeakEnglish{
 79     public PingPangCoach() {
 80     }
 81     public PingPangCoach(String name, int age) {
 82         super(name, age);
 83     }
 84     @Override
 85     public void eat() {
 86         System.out.println("乒乓球教练吃炒面");
 87     }
 88     @Override
 89     public void teach() {
 90         System.out.println("乒乓球教练教发球和接球!");
 91     }
 92     @Override
 93     public void speak() {
 94         System.out.println("乒乓球教练说英语");
 95     }
 96 }
 97 
 98 public class PingPangPlayer extends Player implements SpeakEnglish{
 99     public PingPangPlayer() {
100     }
101     public PingPangPlayer(String name, int age) {
102         super(name, age);
103     }
104     @Override
105     public void eat() {
106         System.out.println("乒乓球运动员吃炒粉丝");
107     }
108     @Override
109     public void study() {
110         System.out.println("乒乓球运动员学习发球和接球");
111     }
112     @Override
113     public void speak() {
114         System.out.println("乒乓球运动员说英语");
115     }
116 }
117 
118 //测试类
119 public class test {
120     public static void main(String[] args) {
121         //创建对象
122         PingPangPlayer ppp=new PingPangPlayer("王浩",30);
123         System.out.println(ppp.getName()+","+ppp.getAge());
124         ppp.eat();
125         ppp.study();
126         ppp.speak();
127         System.out.println("------------------");
128         BasketballPlayer bp=new BasketballPlayer("姚明",40);
129         System.out.println(bp.getName()+","+bp.getAge());
130         bp.eat();
131         bp.study();
132     }
133 }

标签：Java,name,age,30,System,void,println,抽象类,public
来源： https://www.cnblogs.com/NiBosS/p/11982877.html

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