package com.logicbig.example.stream;
import java.util.stream.DoubleStream;
import java.util.stream.Stream;
public class MapToDoubleExample {
public static void main(String... args) {
String[] s = {"1.1", "2.4", "3.7", "4.33"};
Stream<String> stringStream = Stream.of(s);
DoubleStream doubleStream = stringStream.mapToDouble(Double::parseDouble);
double sum = doubleStream.peek(System.out::println)
.sum();
System.out.println("sum: " + sum);
}
}
Output
1.1
2.4
3.7
4.33
sum: 11.530000000000001