Question

Write a Java program that takes an int array as input, and returns the average of all the values in the array.  No class construction is necessary; however, the complete signature and definition and brief documents are needed.  

Answer 1

public class Average5 {
  public static double getAverage(int arr[]){
    double s = 0;
    for(int i = 0;i<arr.length;i++){
      s += arr[i];
    }
    return s/arr.length;
  }

  public static void main(String args[]){
    int arr[] = {3,2,4,1,5};
    System.out.println("Average = "+(getAverage(arr)));
  }
}