import java.util.Scanner; public class DoWhileLoop { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Welcome to Age Checker"); int age; do{ System.out.println("Enter the own Age : "); age = input.nextInt(); if (age < 0 || age > 150) { System.out.println("Invalid Entry"); }else if (age <= 18) { System.out.println("Your are Child"); }else if(age <= 44){ System.out.println("Your are young"); }else{ System.out.println("Your are old"); } }while(age < 0 || age > 150); input.close(); } }