amaembo

/*
 Refactored by Tagir Valeev
 Original code taken from
 https://raw.githubusercontent.com/gorset/radix/master/Radix.java
 Below is the original copyright notice
 --------------
 Copyright 2011 Erik Gorset. All rights reserved.

 Redistribution and use in source and binary forms, with or without modification, are
 permitted provided that the following conditions are met:

amaembo

import java.util.concurrent.TimeUnit;
import java.util.stream.*;
import java.util.*;

import org.openjdk.jmh.infra.Blackhole;
import org.openjdk.jmh.annotations.*;
 
@Warmup(iterations = 5, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@BenchmarkMode(Mode.AverageTime)

amaembo

JDK flatMap
Thread[ForkJoinPool.commonPool-worker-7,5,main]=156250
Thread[ForkJoinPool.commonPool-worker-4,5,main]=31250
Thread[ForkJoinPool.commonPool-worker-1,5,main]=125000
Thread[ForkJoinPool.commonPool-worker-6,5,main]=218750
Thread[main,5,main]=62500
Thread[ForkJoinPool.commonPool-worker-3,5,main]=125000
Thread[ForkJoinPool.commonPool-worker-2,5,main]=125000
Thread[ForkJoinPool.commonPool-worker-5,5,main]=156250
Holger's flatMap

amaembo

import java.util.concurrent.TimeUnit;
import static java.util.stream.Collectors.*;
import java.util.stream.*;
import java.util.function.*;
import java.util.*;

import org.openjdk.jmh.infra.Blackhole;
import org.openjdk.jmh.annotations.*;
 
@Warmup(iterations = 5, time = 500, timeUnit = TimeUnit.MILLISECONDS)

amaembo

import java.util.concurrent.TimeUnit;
import java.util.stream.*;
import static java.util.stream.Collectors.*;
import java.util.*;

import org.openjdk.jmh.infra.Blackhole;
import org.openjdk.jmh.annotations.*;
 
@Warmup(iterations = 5, time = 500, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 500, timeUnit = TimeUnit.MILLISECONDS)

amaembo

public class RecursionTest {
	static int count = 0;
	
	public static void staticMethod() {
		count++;
		staticMethod();
	}
	
	public static void staticMethod(int a) {
		count++;

amaembo

import java.util.stream.Stream;

public class TestHashCode {
	public static void main(String[] args) {
		Stream.generate(Object::new).mapToInt(Object::hashCode).mapToObj(Integer::toHexString)
				.limit(20).forEach(System.out::println);
	}
}

amaembo

tokens.stream().collect(() -> new ArrayList<String>(), (l, e) -> {
	if(l.isEmpty() || !l.get(l.size()-1).toUpperCase().endsWith("STOP"))
		l.add(e);
}, (l1, l2) -> {
	if(l1.isEmpty() || !l1.get(l1.size()-1).toUpperCase().endsWith("STOP"))
		l1.addAll(l2);
});

amaembo

import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;

import org.openjdk.jmh.infra.Blackhole;
import org.openjdk.jmh.annotations.*;
 
@Warmup(iterations = 5, time = 1000, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 10, time = 1000, timeUnit = TimeUnit.MILLISECONDS)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MICROSECONDS)

amaembo

import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.MathContext;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.function.ToIntFunction;
import java.util.function.ToLongFunction;
import java.util.stream.Collector;

final class AverageLong {