智慧职教: 下列代码的运行结果为：（）父类：public class Animal{public void show(){System.out.println("我是动物");  }}子类:public class Tiger extends Animal{public void show(){System.out.println("我是老虎");  }}子类:public class Cat extends Animal{public void show(){System.out.println("我是加菲猫");  }}public class test {public static void main(String[] args) {Animal one=new Animal();one.show();Animal two=new Tiger();two.show();Animal three=new Cat();three.show();}}