Niven.java

Niven.java

@@ -0,0 +1,29 @@
+import java.util.*;
+public class Main{
+   //main method
+   public static void main(String args[]){
+      //declared an integer variable and initialized the value
+      int originalNumber = 21;
+      //print the given input number
+      System.out.println("Given number:"+originalNumber);
+      //keep a copy of original number
+      int copyOfOriginalNumber = originalNumber;
+      //initialize sum as 0
+      int sum = 0;
+      //Find sum of all digits of the number
+      //continue the loop till the number is greater than 0
+      while(originalNumber > 0){
+         //get the rightmost digit of the number by using % operator
+         int rem = originalNumber%10;
+         //add the digit(rem) to sum
+         sum = sum + rem;
+         //remove the rightmost digit from number and get the updated number
+         originalNumber = originalNumber/10;
+      }
+      //printing the result
+      if(copyOfOriginalNumber % sum == 0)
+         System.out.println(copyOfOriginalNumber+" is a niven number");
+      else
+         System.out.println(copyOfOriginalNumber+" is not a niven number");
+   }
+}