电子宠物示例

　　效果如下图:

public abstract class Pet {  //父类
		private String name;
		private int age;
		private String sex;
		private int cute;  //可爱度
		private int clean; //清洁度
		private int sleep; //睡眠度
		private boolean live; //活着
		
		public Pet() {
			super();
			}

		public Pet(String name,String sex) {
			super();
			this.name = name;
			this.age = 1;
			this.sex = sex;
			this.cute = 5;  //初始值
			this.clean = 50;
			this.sleep = 50;
			this.live = true;
		}
		public abstract void cutey ();
		public abstract void cleany();
			
		
		public abstract void sleepy() ;
			
		
		public abstract void excuse();
		public void show() {  //显示信息的方法
			System.out.println("名字"+this.name);
			System.out.println("年龄"+this.age);
			System.out.println("性别"+this.sex);
			System.out.println("可爱度"+this.cute);
			System.out.println("干净度"+this.clean);
			System.out.println("睡眠度"+this.sleep);
		}
		public boolean check() {  //有返回值的方法
			if(this.clean<=20) {
				System.out.println("该洗澡了");
			}
			if(this.sleep ==30) {
				System.out.println("休息一下");
			}else if(this.sleep ==10) {
				live = false;
				System.out.println("over");
			}
			return live;
		}
		
		public String getName() {
			return name;
		}

		public void setName(String name) {
			this.name = name;
		}

		public int getAge() {
			return age;
		}

		public void setAge(int age) {
			this.age = age;
		}

		public String getSex() {
			return sex;
		}

		public void setSex(String sex) {
			this.sex = sex;
		}

		public int getCute() {
			return cute;
		}

		public void setCute(int cute) {
			this.cute = cute;
		}

		public int getClean() {
			return clean;
		}

		public void setClean(int clean) {
			this.clean = clean;
		}

		public int getSleep() {
			return sleep;
		}

		public void setSleep(int sleep) {
			this.sleep = sleep;
		}

		public boolean getLive() {  //注意这个布尔值,如果是自动生成的话,会少一个get,需要自己添一下
			return live;
		}

		public void setLive(boolean live) {
			this.live = live;
		}	
		
			
}		

public class Dog extends Pet {  //子类
	
	public Dog() {
		super();
	}	
	public Dog(String name, String sex) {
		super(name, sex);
		
	}

@Override
	public void excuse() {
		System.out.println("忠诚于您");
		
	}
	@Override
	public void cutey() {
		System.out.println(super.getName()+"摇尾巴 ,可爱度+5");
		super.setCute(getCute()+5);
		
	}

	

	@Override
	public void cleany() {
		System.out.println(super.getName()+"在泥巴里玩,清洁度-10,");
		super.setClean(getClean()-10);

	}

	@Override
	public void sleepy() {
		System.out.println(super.getName()+"趴在地上,睡眠度-10");
		super.setSleep(getSleep()-10);
	}

}

public class Cat extends Pet {  //子类

	
	
	public Cat() {
		
	}	
	

	public Cat(String name, String sex) {
		super(name, sex);
	}	
	

	@Override
	public void excuse() {
		System.out.println("是我的永远是我的");
		
	}

	@Override
	public void cutey() {
		System.out.println(super.getName()+"玩毛线 ,可爱度+5");
		super.setCute(getCute()+5);

	}

	@Override
	public void cleany() {
		System.out.println(super.getName()+"爬树,清洁度-10");
		super.setClean(getClean()-10);

	}

	@Override
	public void sleepy() {
		System.out.println(super.getName()+"睡在树上,睡眠度-10");
		super.setSleep(getSleep()-10);
	}

}

import java.util.Scanner;

import com.hanqi.test.model.Cat;
import com.hanqi.test.model.Dog;
import com.hanqi.test.model.Pet;   //引入是因为Test是与Cat,Dog,Pet在不同的包下面

public class Test {  //输出

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
			Pet p = null;  //作用是不用再去实例化好多次
			System.out.println("选择类型:");
			System.out.println("1.泰迪  2.黑猫");
			String s = scanner.nextLine();
			System.out.println("起个名字吧");
			String m =scanner.nextLine();
			System.out.println("雄or雌");
			String x = scanner.nextLine();
			if("1".equals(s)) {
				 p = new Dog(m,x);  //父类的引用指向子类
				p.excuse();  //打招呼
			}else {
				  p =new Cat(m,x);
				p.excuse();
			}
			boolean f = true;
			while(f) {
				f = p.check();
				System.out.println("请选择:0.显示,1.可爱模式 ,2.玩的地点,3.睡的地方 ,4.退出");
				String w = scanner.nextLine();
				if("0".equals(w)) {
					p.show();
					f = p.check();
				} else if ("1".equals(w)) {
					p.cutey();
					f = p.check();
				}else if ("2".equals(w)) {
					p.cleany();
					f = p.check();
				}else if ("3".equals(w)) {
					p.sleepy();
					f = p.check();
				}else if ("4".equals(w)) {
					f = false;
				}else {
					System.out.println("请输入内容");
				}
				
				
				
				
			}
			scanner.close();
			
			

	}

}