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Difference Between Wait and Sleep in Java 1. Overview In this short article, we’ll have a look at the standard sleep() and wait() methods in core Java, and understand the differences and similarities between them. 2. General Differences Between Wait and Sleep Simply put, wait() is an instance method that’s… Continue Reading java-wait-and-sleep
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Overview of the java.util.concurrent 1. Overview The java.util.concurrent package provides tools for creating concurrent applications. In this article, we will do an overview of the whole package. 2. Main Components The java.util.concurrent contains way too many features to discuss in a single write-up. In this article, we will mainly focus… Continue Reading java-util-concurrent
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An Introduction to ThreadLocal in Java 1. Overview In this article, we will be looking at the ThreadLocal construct from the java.lang package. This gives us the ability to store data individually for the current thread – and simply wrap it within a special type of object. 2. ThreadLocal API… Continue Reading java-threadlocal
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Guide to the Volatile Keyword in Java 1. Overview In this quick article, we’ll focus on a foundational but often misunderstood concept in the Java language – the volatile keyword. In Java, each thread has a separate memory space known as working memory; this holds the values of different variables… Continue Reading java-volatile
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Introduction to Future in Vavr 1. Introduction Core Java provides a basic API for asynchronous computations – Future. CompletableFuture is one of its newest implementations. Vavr provides its new functional alternative to the Future API. In this article, we’ll discuss the new API and show how to make use of… Continue Reading vavr-future
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Concurrency with LMAX Disruptor – An Introduction Java Java Concurrency 1. Overview This article introduces the LMAX Disruptor and talks about how it helps to achieve software concurrency with low latency. We will also see a basic usage of the Disruptor library. 2. What Is a Disruptor? Disruptor is an… Continue Reading lmax-disruptor-concurrency
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Guide to the Java Phaser 1. Overview In this article, we will be looking at the Phaser construct from the java.util.concurrent package. It is a very similar construct to the CountDownLatch that allows us to coordinate execution of threads. In comparison to the CountDownLatch, it has some additional functionality. The… Continue Reading java-phaser
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Java Concurrency Utility with JCTools 1. Overview In this tutorial, we’ll introduce the JCTools (Java Concurrency Tools) library. Simply put, this provides a number of utility data structures suitable for working in a multi-threaded environment. 2. Non-Blocking Algorithms Traditionally, multi-threaded code which works on a mutable shared state uses locks to ensure data… Continue Reading java-concurrency-jc-tools
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wait and notify() Methods in Java 1. Introduction In this article, we’ll look at one of the most fundamental mechanisms in Java – thread synchronization. We’ll first discuss some essential concurrency-related terms and methodologies. And we’ll develop a simple application – where we’ll deal with concurrency issues, with the goal… Continue Reading java-wait-notify
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Using a Mutex Object in Java 1. Overview In this tutorial, we’ll see different ways to implement a mutex in Java. 2. Mutex In a multithreaded application, two or more threads may need to access a shared resource at the same time, resulting in unexpected behavior. Examples of such shared… Continue Reading java-mutex
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