1public class ArmstrongBetween1To1000
2{
3 public static void main(String[] args)
4 {
5 int number, n, total = 0;
6 System.out.println("Armstrong number between 1 to 1000: ");
7 for(int a = 1; a <= 1000; a++)
8 {
9 number = a;
10 while(number > 0)
11 {
12 n = number % 10;
13 total = total + (n * n * n);
14 number = number / 10;
15 }
16 if(total == a)
17 {
18 System.out.print(a + " ");
19 }
20 total = 0;
21 }
22 }
23}
1// Java program to print all armstrong numbers between given range
2import java.util.Scanner;
3public class ArmstrongNumbersGivenRange
4{
5 public static void main(String[] args)
6 {
7 int number, startNumber, endNumber, a, rem, n, count = 0;
8 Scanner sc = new Scanner(System.in);
9 System.out.println("Please enter starting number range: ");
10 startNumber = sc.nextInt();
11 System.out.println("Please enter ending number range: ");
12 endNumber = sc.nextInt();
13 for(a = startNumber + 1; a < endNumber; a++)
14 {
15 n = a;
16 number = 0;
17 while(n != 0)
18 {
19 rem = n % 10;
20 number = number + rem * rem * rem;
21 n = n / 10;
22 }
23 if(a == number)
24 {
25 if(count == 0)
26 {
27 System.out.println("Armstrong numbers between given range " + startNumber + " and " + endNumber + ": ");
28 }
29 System.out.print(a + " ");
30 count++;
31 }
32 }
33 // if there is no Armstrong number found between range
34 if(count == 0)
35 {
36 System.out.println("Sorry!! There's no armstrong number between given range " + startNumber + " and " + endNumber);
37 }
38 sc.close();
39 }
40}