Java program average of three numbers

Given three numbers, the average of the three numbers can be calculated by :
average = sum of the three numbers
               --------------------------------
                                 3




Output:

Enter the three numbers to get average:
3 4 5
The average of entered 3 numbers is 4.0

Implementation:

import java.util.*; import java.lang.*; import java.io.*; class CodeRegister { public static void main (String[] args) throws java.lang.Exception { Scanner in = new Scanner(System.in); System.out.println("Enter the three numbers to get average:"); int sum = 0; float average; for(int i=0;i<3;i++) { int n = in.nextInt(); sum += n; } average = (float)sum / (float)3; System.out.println("The average of entered 3 numbers is: "+average); } }