06. Order by Age

package orderByAge;

public class Person {
    //полета -> характеристики -> име, ID, възраст
    private String name;
    private String id;
    private int age;

    //конструктор -> създавам обекти от класа
    public Person(String name, String id, int age) {
        //нов празен обект (name = null, id = null, age = 0)
        this.name = name;
        this.id = id;
        this.age = age;
    }

    public int getAge() {
        return this.age;
    }

    @Override
    public String toString() {
        //"{name} with ID: {id} is {age} years old."
        return String.format("%s with ID: %s is %d years old.", this.name, this.id, this.age);
    }
}

package orderByAge;

import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<Person> personList = new ArrayList<>();
        String input = scanner.nextLine();

        while (!input.equals("End")) {
            //input -> данни за даден човек
            //input = "Desislava 1234 24".split(" ") -> ["Desislava", "1234", "24"]
            String name = input.split(" ")[0];
            String id = input.split(" ")[1];
            int age = Integer.parseInt(input.split(" ")[2]);

            Person person = new Person(name, id, age);
            personList.add(person);

            input = scanner.nextLine();
        }

        //списък с хора
        //1. сортираме по възраст (в нарастващ ред -> ascending order)
        personList.sort(Comparator.comparing(Person::getAge));
        //2. принтираме всеки човек
        for (Person person : personList) {
            //"{name} with ID: {id} is {age} years old."
            System.out.println(person);
        }
    }
}