moved the class from others papckage to default.

and implemeted the following review comments.
Remove the package
Please provide a description for checkIfANumberIsAmstrongOrNot function
Provide a description for what actually is an
Armstrong number at the top along with an example

fixes #96

Author: Mani Manasa Mylavarapu

Armstrong.java

@@ -0,0 +1,47 @@
+import java.util.Scanner;
+
+/**
+ * A utility to check if a given number is armstrong or not. Armstrong number is
+ * a number that is equal to the sum of cubes of its digits for example 0, 1,
+ * 153, 370, 371, 407 etc. For example 153 = 1^3 + 5^3 +3^3
+ * 
+ * @author mani manasa mylavarapu
+ * 
+ */
+public class Armstrong {
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		System.out.println("please enter the number");
+		int n = scan.nextInt();
+		boolean isArmstrong = checkIfANumberIsAmstrongOrNot(n);
+		if (isArmstrong) {
+			System.out.println("the number is armstrong");
+		} else {
+			System.out.println("the number is not armstrong");
+		}
+	}
+
+	/**
+	 * Checks whether a given number is an armstrong number or not. Armstrong
+	 * number is a number that is equal to the sum of cubes of its digits for
+	 * example 0, 1, 153, 370, 371, 407 etc.
+	 * 
+	 * @param number
+	 * @return boolean
+	 */
+	public static boolean checkIfANumberIsAmstrongOrNot(int number) {
+		int remainder, sum = 0, temp = 0;
+		temp = number;
+		while (number > 0) {
+			remainder = number % 10;
+			sum = sum + (remainder * remainder * remainder);
+			number = number / 10;
+		}
+		if (sum == temp) {
+			return true;
+		} else {
+			return false;
+		}
+
+	}
+}

Others/Armstrong.java

@@ -1,30 +1,39 @@
 package Others;
 
 import java.util.Scanner;
+
 /**
- * To check if a given number is armstrong or not.
+ * A utility to check if a given number is armstrong or not. Armstrong number is
+ * a number that is equal to the sum of cubes of its digits for example 0, 1,
+ * 153, 370, 371, 407 etc. For example 153 = 1^3 + 5^3 +3^3
+ * 
  * @author mani manasa mylavarapu
- *
+ * 
  */
 public class Armstrong {
 	public static void main(String[] args) {
 		Scanner scan = new Scanner(System.in);
 		System.out.println("please enter the number");
 		int n = scan.nextInt();
 		boolean isArmstrong = checkIfANumberIsAmstrongOrNot(n);
-		if(isArmstrong)
-		{
+		if (isArmstrong) {
 			System.out.println("the number is armstrong");
-		}
-		else
-		{
+		} else {
 			System.out.println("the number is not armstrong");
 		}
 	}
 
+	/**
+	 * Checks whether a given number is an armstrong number or not. Armstrong
+	 * number is a number that is equal to the sum of cubes of its digits for
+	 * example 0, 1, 153, 370, 371, 407 etc.
+	 * 
+	 * @param number
+	 * @return boolean
+	 */
 	public static boolean checkIfANumberIsAmstrongOrNot(int number) {
-		int remainder, sum = 0,temp=0;
-		temp=number;
+		int remainder, sum = 0, temp = 0;
+		temp = number;
 		while (number > 0) {
 			remainder = number % 10;
 			sum = sum + (remainder * remainder * remainder);