Java 8 Streams Java Java API
java.util.stream.DoubleStream
Stream<Double> boxed()
This intermediate operation returns a Stream consisting of the elements of this stream, each boxed to an Double.
Stream
Double
package com.logicbig.example.doublestream;import java.util.stream.DoubleStream;import java.util.stream.Stream;public class BoxedExample { public static void main(String... args) { DoubleStream doubleStream = DoubleStream.of(1.2, 1.3, 1.4, 1.5, 1.6); Stream<Double> boxed = doubleStream.boxed(); Stream<String> stream = Stream.of("a", "b"); Stream<Object> concat = Stream.concat(boxed, stream); concat.forEach(System.out::println); }}
1.21.31.41.51.6ab