Package org.bitcoinj.base.internal

Class StreamUtils

java.lang.Object

org.bitcoinj.base.internal.StreamUtils

public class StreamUtils
extends Object

Stream Utilities. Bitcoinj is moving towards functional-style programming, immutable data structures, and unmodifiable lists. Since we are currently limited to Java 8, this class contains utility methods that can simplify code in many places.

Constructor Summary

Constructors

Constructor	Description
StreamUtils()

Method Summary

Modifier and Type	Method	Description
static <T> Collector<T,?,List<T>>	toUnmodifiableList()	Return a collector that collects a Stream into an unmodifiable list.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StreamUtils

public StreamUtils()

Method Details

toUnmodifiableList

public static <T> Collector<T,?,List<T>> toUnmodifiableList()

Return a collector that collects a Stream into an unmodifiable list.

Java 10 provides Collectors.toUnmodifiableList() and Java 16 provides Stream.toList(). If those are not available, use this utility method.