So at the end of the function, the return is: return sum > 2; What is the purpose of the > 2? 
public class Cat {
    public int age;
    public int weight;
    public int strength;

    public Cat() {
    }

    public boolean fight(Cat anotherCat) {
        int ageResult = this.age < anotherCat.age ? 1 : 0;
        int weightResult = this.weight < anotherCat.weight ? 1 : 0;
        int strengthResult = this.strength < anotherCat.strength ? 1 : 0;


        int sum = ageResult + weightResult + strengthResult;

        return sum > 2;
    }

    public static void main(String[] args) {

    }
}