AverageFunction

package CodeAcademy_7_Two_DimensionalArrays_Functions;

import java.util.Arrays;

public class AverageFunction
{
  public static void main(String[] args)
  {

    double result = average(10,8, 20, 10);
    System.out.println("The average is = " + result);

    int x = 10;
    int y = 9;

    swap(x,y);

    System.out.println(x);
    System.out.println(y);

    String name = "Homer";
    changeName(name);
    System.out.println("name = " + name);
    System.out.println();

    name = changeName(name);
    System.out.println("name = " + name);

  }

  public static String changeName(String name){
    return "Simpson";
  }

  public static void swap(int x, int y){
    int temp = x;
    x = y;
    System.out.println("x = " + x);
    y = temp;
    System.out.println("y = " + y);
  }

  public static double average(double first, double... values){
    double sum = Arrays.stream(values).sum();

    return sum / values.length;
  }
}