Java 8 Streams Java Java API
java.util.stream.Stream
static <T> Stream.Builder<T> builder()
Returns an instance of Stream.Builder, which can be used to add elements individually.
package com.logicbig.example.stream;import java.util.List;import java.util.stream.Collectors;import java.util.stream.Stream;public class BuilderExample { public static void main(String... args) { Stream.Builder<String> builder = Stream.builder(); Stream<String> stream = builder.add("one").add("two").add("three") .build(); List<String> list = stream.map(String::toUpperCase) .collect(Collectors.toList()); System.out.println(list); }}
[ONE, TWO, THREE]