package j1.lesson02;

import java.util.stream.DoubleStream;

public class Average3 {
    public static void main(String[] args) {
        double[] ary = {5.5, 10.0, 12.1};
        double result = DoubleStream.of(ary).average().getAsDouble();

        System.out.printf("%dつの数の平均値は%f", ary.length, result);
    }
}