第二册 第三章北大青鸟ACCP50 Java.docx

1、第二册 第三章北大青鸟ACCP50 Java第二册 第二章1.public class Test public static void main(String args) Dog dog = new Dog(欧欧,雪纳瑞); Penguin pgn = new Penguin(楠楠,Q妹); Master master = new Master(王先生,1222); Cat cat = new Cat(加菲猫,黑色); master.feed(dog); master.feed(pgn); master.feed(cat); public abstract class Pet protecte

2、d String name = 无名氏; protected int health = 100; protected int love = 0; public Pet(String name) this.name = name; public String getName() return name; public void print() System.out.println(宠物的自白：n我的名字叫+this.name+健康值是 +this.health+,和主人的亲密度是+this.love+。); public abstract void eat(); public static vo

3、id main(String args) / TODO Auto-generated method stub public class Master private String name ; private int money ; public Master (String name,int money) this.name = name; this.money = money; public void feed(Dog dog) dog.eat(); public void feed(Penguin pgn) pgn.eat(); public void feed(Cat cat) cat

4、.eat(); public class Dog extends Pet private String strain; public Dog(String name,String strain) super(name); this.strain = strain; public void print() super.print(); System.out.println(我是一只+this.strain+。); public void eat() super.health = super.health + 3; System.out.println(狗狗+super.name+吃饱啦！健康值增

5、加3。); public class Cat extends Pet private String color; public Cat (String name,String color) super(name); this.color = color; public void print() super.print(); System.out.println(颜色是+this.color+。); public void eat() super.health = super.health+4; System.out.println(猫咪+this.name+吃饱了！健康值增加 4); publ

6、ic class Penguin extends Pet private String sex; public Penguin (String name,String sex) super(name); this.sex = sex; public void print() super.print(); System.out.println(性别是+this.sex+。); public void eat() super.health = super.health + 5; System.out.println(企鹅+super.name+吃饱啦！健康值增加5); 2.public class

7、 Test public static void main(String args) Dog dog = new Dog(欧欧,薛瑞娜); Pet pgn = new Penguin(楠楠,Q妹); Master master = new Master(王先生,100); master.play(dog); master.play(pgn); public abstract class Pet protected String name = 无名氏; protected int health = 100; protected int love = 0; public Pet(String na

8、me) this.name = name; public String getName() return name; public void print() System.out.println(宠物的自白：n我的名字叫+this.name+健康值是 +this.health+,和主人的亲密度是+this.love+。); public class Master private String name ; private int money ; public Master (String name,int money) this.name = name; this.money = money;

9、 public void play(Pet pet) if (pet instanceof Dog) Dog dog = (Dog) pet; dog.catchingFlyDisc(); else if (pet instanceof Penguin) Penguin pgn = (Penguin) pet; pgn.swimming(); public class Penguin extends Pet private String sex; public Penguin (String name,String sex) super(name); this.sex = sex; publi

10、c void print() super.print(); System.out.println(性别是+this.sex+。); public void eat() super.health = super.health + 5; System.out.println(企鹅+super.name+吃饱啦！健康值增加5); public class Dog extends Pet private String strain; public Dog(String name,String strain) super(name); this.strain = strain; public void

11、print() super.print(); System.out.println(我是一只+this.strain+。); public void eat() super.health = super.health + 3; System.out.println(狗狗+super.name+吃饱啦！健康值增加3。); public class Cat extends Pet private String color; public Cat (String name,String color) super(name); this.color = color; public void print

12、() super.print(); System.out.println(颜色是+this.color+。); public void eat() super.health = super.health+4; System.out.println(猫咪+this.name+吃饱了！健康值增加 4); 3.import java.util.*;public class Moto private String No = ; private String brand = 轿车; public Moto() this.No = ; public Moto(String No,String brand)

13、 this.No = No; this.brand = brand; public String getNo() return No; public String getBrand() return brand; public void print() System.out.println(n车牌号是：+this.No+n车的类别是：+this.brand); public static void main(String args) Scanner input = new Scanner(System.in); System.out.println(欢迎进入汽车租赁系统：n 请输入您要租赁的汽

14、车类型（1.轿车 2.客车）：); int num = input.nextInt(); switch(num) case 1: System.out.println(请输入您要租的车的型号（1.别克商务舱GL8 2.宝马550i 3.别克林荫大道）：); int x = input.nextInt(); switch(x) case 1: car c= new car(别克商务舱GL8,K55555,600); c.print(); break; case 2: car a= new car(宝马550i,K66666,500); a.print(); break; case 3: car

15、b= new car(别克林荫大道,K88888,300); b.print(); break; break; case 2: System.out.println(请输入您要租的车的型号（1.小于16座 2.大于16座 ）：); int q = input.nextInt(); switch (q) case 1: bus a = new bus(蒙K66666,小于16,800); a.print(); break; case 2: bus qq = new bus(蒙K66666,大于16,1400); qq.print(); break; import java.util.*;clas

16、s car extends Moto private String type;/型号 private int m; public car(String type,String No,int m) super(No,轿车); this.type = type ; this.m = m; public String gettype() return type; public void print() Scanner input = new Scanner(System.in); System.out.print(请输入您要租的天数：); int days = input.nextInt(); su

17、per.print(); System.out.println(您要租的是一辆：+this.type+。n租金是：+m*days); import java.util.*;public class bus extends Moto private String seat; private int m; public bus(String No,String seat,int m) super(No,客车); this.seat = seat; this.m = m; public String getseat() return seat; public int getM() return m; public void print() Scanner input = new Scanner(System.in); System.out.print(请输入您要租的天数：); int days = input.nextInt(); super.print(); System.out.println(您要租的是一辆：+this.seat+座的客车n租金是：+days*m);