Java 8 Streams - LongStream.mapToDouble Examples

package com.logicbig.example.longstream;

import java.util.stream.DoubleStream;
import java.util.stream.LongStream;

public class MapToDoubleExample {

    public static void main(String... args) {
        LongStream stream = LongStream.of(4, 7, 9, 11, 13, 17);
        DoubleStream doubleStream = stream.mapToDouble(MapToDoubleExample::half);
        doubleStream.forEach(System.out::println);
    }

    private static double half(long operand) {
        return operand / 2d;
    }
}