public class Text {
public static void main(String[] args) {
System.out.println("==========父类创建猫猫===========");
Animal cat=new Cat();
System.out.println(cat.a);
cat.eat();
System.out.println("========猫猫类创建猫猫========");
Cat cat1=new Cat();
cat1.eat();
cat1.catWork();
System.out.println("=======参数的多态====================================");
Cat c=new Cat();
Dog d=new Dog();
//创建人
Person person=new Person();
person.raiseCat(c);
person.raiseDog(d);
System.out.println("----==-=-=--=-=--=");
//多态饲养猫狗
person.raiseAnimal(c);
person.raiseAnimal(d);
System.out.println("============================================");
//创建猫和狗
Cat c1 = new Cat();
Cat c2 = new Cat();
Cat c3 = new Cat();
Dog d1 = new Dog();
Dog d2 = new Dog();
Dog d3 = new Dog();
//创建Animal数组存放猫和狗。---多态
Animal[] animals = new Animal[6];
animals[0] = c1;//把Cat看成Animal存入数组
animals[1] = c2;//把Cat看成Animal存入数组
animals[2] = c3;//把Cat看成Animal存入数组
animals[3] = d1;//把Dog看成Animal存入数组
animals[4] = d2;//把Dog看成Animal存入数组
animals[5] = d3;//把Dog看成Animal存入数组
for(int i = 0; i < animals.length; i++) {
Animal a = animals[i];
if(a instanceof Cat) {
Cat C = (Cat)a;//强制类型转换
C.catWork();
}else if(a instanceof Dog) {
Dog D= (Dog)a;
D.lookDoor();
}
}
System.out.println("==============方法返回值的多态==============");
}
}
