package com.company;

import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;

class Cat{
    int weight;
    int age;

    public Cat(int weight, int age) {
        this.weight = weight;
        this.age = age;
    }

    @Override
    public String toString() {
        return "Cat{" +
                "weight=" + weight +
                ", age=" + age +
                '}';
    }
}
public class Main {

    public static void main(String[] args) {
//        long y []= new long[1L];
        int x [] = {3,2,1,4,5,6,7,82,4,5};
        Arrays.sort(x);
        System.out.println(Arrays.toString(x));
        ArrayList<Cat> cats = new ArrayList<>();
        cats.add(new Cat(2,5));
        cats.add(new Cat(22,5));
        cats.add(new Cat(20,5));
        cats.add(new Cat(3,3));
        cats.add(new Cat(1,2));
        cats.add(new Cat(23,2));
        //CATS -> {-1, 0, 1}
//        cats.sort((c1, c2) -> {
//            if(c1.age < c2.age){
//                return  -1;
//            } else if(c1.age == c2.age){
//                return c1.weight - c2.weight;
//            } else {
//                return 1;
//            }
//        });
        Comparator<Cat> com = Comparator
                .comparingInt((Cat c) -> c.age)
                .thenComparing((Cat c) -> c.weight);
//        cats.sort(Comparator.comparingInt(c -> c.age).thenComparingInt(c -> c));
        cats.sort(com);
        System.out.println(cats);
    }
}