November 2017
Intermediate to advanced
398 pages
10h 14m
English
Content preview from Java 9 High Performance
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Microbenchmarks in Java
Microbenchmarking is an important way of improving the fine bits of code that programmers use to carry out much larger functions. We start off with a simple example, which signifies how a microbenchmark will perform in Java:
import java.util.ArrayList;import java.util.LinkedList;import java.util.List; public class SimpleMicroBenchmark { public static Long buildTimeForArrayList = 0l; public static Long buildTimeForLinkedList = 0l; public static void main(String[] args) { System.out.println("Building an ArrayList with 10,000 elements" ); System.out.println("--------build test----------" ); List<Integer> arrayList = buildList("ArrayList",new ArrayList<Integer>(), 10000 ); List<Integer> linkedList = buildList("LinkedList",new ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.