find average of numbers in array java
public class JavaExample {
public static void main(String[] args) {
double[] arr = {19, 12.89, 16.5, 200, 13.7};
double total = 0;
for(int i=0; i<arr.length; i++){
total = total + arr[i];
}
/* arr.length returns the number of elements
* present in the array
*/
double average = total / arr.length;
/* This is used for displaying the formatted output
* if you give %.4f then the output would have 4 digits
* after decimal point.
*/
System.out.format("The average is: %.3f", average);
}
}