Mean Calculator
calculate mean of a set of numbers
import java.util.Scanner;
public class MeanCalculator {
public static void main(String[] args) {
String userInputStr;
double meanNumber;
int numofNum;
Scanner inputStream = new Scanner(System.in);
System.out.print("how many values would you like to average?");
userInputStr = inputStream.nextLine();
numofNum = Integer.parseInt(userInputStr);
double[] nums = new double [numofNum]; //creates array with doubles, nomofNum number of values in the array
for (int i=0; i<numofNum; i++)
{
System.out.print("\nenter value: ");
userInputStr = inputStream.nextLine();
nums[i] = Double.parseDouble(userInputStr);
System.out.print(nums[i]);
}
meanNumber = meancalc(nums);
System.out.print("\nthe mean is " +meanNumber);
}
static double meancalc (double[] nums) {
double sum= 0.0;
for (int i=0; i<nums.length; i++) {
sum +=nums[i];
}
double average = sum/nums.length;
return average;
}
}
MeanCalculator.main(null);