Java 8 Streams Java Java API
Interface:
java.util.stream.IntStream
Method:
DoubleStream mapToDouble(IntToDoubleFunction mapper)
This intermediate operation returns a DoubleStream consisting of the results of applying the given mapper function to the elements of this stream.
Examples
package com.logicbig.example.intstream;
import java.util.stream.DoubleStream; import java.util.stream.IntStream;
public class MapToDoubleExample {
public static void main(String... args) { IntStream intStream = IntStream.range(1, 5); DoubleStream doubleStream = intStream.mapToDouble(i -> i / 2d); doubleStream.forEach(System.out::println); } }
Output0.5 1.0 1.5 2.0
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