有什么好的解决方法吗？
package zh.codegym.task.task12.task1225;
/*
参观者
*/
public class Solution {
public static void main(String[] args) {
System.out.println(getObjectType(new Cat()));
System.out.println(getObjectType(new Tiger()));
System.out.println(getObjectType(new Lion()));
System.out.println(getObjectType(new Bull()));
System.out.println(getObjectType(new Cow()));
System.out.println(getObjectType(new Animal()));
}
public static String getObjectType(Object o) {
//在此编写你的代码
if(o instanceof Cat)
return "猫";
else if(o.equals(new Tiger()))
return "老虎";
else if(o instanceof Lion)
return "狮子";
else if(o instanceof Bull)
return "公牛";
else if(o instanceof Cow)
return "奶牛";
else return "动物";
}
public static class Cat extends Animal // <-- 类继承！
{
}
public static class Tiger extends Cat {
}
public static class Lion extends Cat {
}
public static class Bull extends Animal {
}
public static class Cow extends Animal {
}
public static class Animal {
}
}