Persons_Age_1

package OpinionPoll;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;

public class Main {
    public static void main(String[] args) throws IOException {

        BufferedReader reader =
                new BufferedReader(
                        new InputStreamReader(
                                System.in));

        System.out.println("Number of people ");
        int n = Integer.parseInt(reader.readLine());
        List<Persons> people = new ArrayList<>();

        while (n -- > 0) {
          System.out.println("Person - age ");
          String []data = reader.readLine().split("\\s+");

          Persons persons = new Persons(data[0], Integer.parseInt(data[1]));
          people.add(persons);
      }

        people.stream().filter(persons -> persons.getAge() >= 20)
                .sorted(Comparator.comparingInt(Persons::getAge))
                .forEach(persons -> {
                    System.out.println(persons.toString());
                });
    }
}
package OpinionPoll;

public class Persons {

   private String name;
   private int age;

    public Persons(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return this.name;
    }

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

    @Override
    public String toString() {
        return String.format("%s - %d", name, age);
    }
}