Zadanko, help

package com.company;
import java.util.Scanner;
import java.util.regex.Pattern;

import static java.util.regex.Pattern.matches;

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


        Person person1 = new Person();
        Person person2 = new Person();
        Scanner sc1 = new Scanner(System.in);

        // 1 Person nmae
        System.out.println("Enter a name: ");
        String name;
        boolean valid = true;
        do {
            name = sc1.next();
            if (checkName(name))
            {
                valid = false;
                person1.setName(sc1.nextLine());
            }
            else
                {
                System.out.println("Enter your name again");
            }
        }
            while (valid);



        // 2 Person age
        System.out.println("Enter an age");
        String age;
        boolean x = true;
        do {
                age = sc1.nextLine();
                if (checkAge(age))
                {
                x = false;
                }
                else
                {
                    System.out.println("Enter your age again");
                }

        } while (x);
        person1.setAge(Integer.valueOf(age));


        System.out.println("Enter a name: ");
        person2.setName(sc1.nextLine());
        System.out.println("Enter an age");
        person2.setAge(Integer.valueOf(sc1.nextLine()));
        System.out.println("you should of typed number");


        if (person1.getAge() > person2.getAge())
        {
            System.out.println(person1.getName() + "is older and was born" + (2019-person1.getAge()));
        }
        else if (person1.getAge() < person2.getAge())
        {
            System.out.println(person2.getName() + "is older and was born" + (2019-person2.getAge()));
        }
        else {
            System.out.println(person1.getName() + "and" + person2.getName() + "have the same age and were born" + (2019 - person1.getAge()));
        }

    }
    public static class Person{
        private String name;
        private int age;
        public String getName() {
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }
        public int getAge() {
            return age;
        }
        public void setAge(int age) {
            this.age = age;
        }
    }
    public static  boolean checkName(String name) {
         return Pattern.matches("[a-zA-Z]", name);
    }
    public static boolean checkAge(String age) {
        return Pattern.matches("\\d", age);
    }


}