Mine

import java.util.*;public class Ex1{ public static void main (String [] args) {  int age;  char r;  Scanner sc = new Scanner (System.in);   do    {   System.out.print ("\nPlease enter your age: ");   age = sc.nextInt();    /* result is printed by using if statements */   if (age < 0)    System.out.print ("Your age can't be negative.");   if (age >= 0 && age < 5)    System.out.print ("You are too young to be here.");   if (age >= 5 && age <= 16)    System.out.print ("Why are you there? You should be in school.");   if (age > 16 && age <= 150)    System.out.print ("You need not be in full-time education. You must like it.");   if (age > 150)    System.out.print ("You are very old. We should call Guiness world records.");    /* program will re-run until user enters 'y' or 'Y' */   System.out.print ("\n\nEnter y or Y to re-run program: ");   r = sc.next().charAt(0);  } while (r == 'y' || r == 'Y');  }} /* OUTPUT Please enter your age: 3You are too young to be here. Enter y or Y to re-run program: y Please enter your age: 9Why are you there? You should be in school. Enter y or Y to re-run program: y Please enter your age: 17You need not be in full-time education. You must like it. Enter y or Y to re-run program: y Please enter your age: 155You are very old. We should call Guiness world records. Enter y or Y to re-run program: y Please enter your age: -5Your age can't be negative. */