Не могу понять где ошибка?

package com.javarush.task.task05.task0502;

/*
Реализовать метод fight
*/

public class Cat {
    public int age;
    public int weight;
    public int strength;

    public Cat() {
    }

    public boolean fight(Cat anotherCat) {
        //напишите тут ваш код
        int a = 0;
        int b = 0;
        if(this.age > anotherCat.age)
            a++;
        if(this.weight > anotherCat.weight)
            a++;
        if(this.strength > anotherCat.strength)
            a++;
        if(this.age < anotherCat.age)
            b++;
        if(this.weight < anotherCat.weight)
            b++;
        if(this.strength < anotherCat.strength)
            b++;
        if(a > b)
            return true;
        if(a == b)
            return false;
        if(a < b)
            return false;
    }

    public static void main(String[] args) {
        Cat cat1 = new Cat();
        Cat cat2 = new Cat();
        cat1.age = 1;
        cat1.weight = 2;
        cat1.strength = 3;
        cat2.age = 1;
        cat2.weight = 5;
        cat2.strength = 3;
        cat1.fight(cat2);
        cat2.fight(cat1);
    }
}