pr8a.java

class Person {
    private int person_id;
    private String name;
    private int age;
    
    public Person(int person_id, String name, int age){
        this.person_id = person_id;
        this.name = name;
        this.age = age;
    }
 
    public int getPerson_id(){
        return person_id;
    }
 
    public String getName(){
        return name;
    }
 
    public int getAge(){
        return age;
    }
 
    public void ageGroup(){
        if (age < 8) {
            System.out.println("Child");
        } else if (age > 8 && age < 20) {
            System.out.println("Teenage");
        } else if (age >= 20 && age <= 40) {
            System.out.println("Young");
        } else {
            System.out.println("Old");
        }
    }
 }

public class pr8b {
    public static void main(String []args){
    Person p1 = new Person(1, "Samarth", 18);
    p1.ageGroup();    
    }
}