Guide to CountDownLatch in Java
1. Introduction In this article, we’ll give a guide to the CountDownLatch class and demonstrate how it can be used in a few practical examples. Essentially, by […]
Month: July 2021
Custom Thread Pools In Java 8 Parallel Streams
1. Overview Java 8 introduced the concept of Streams as an efficient way of carrying out bulk operations on data. And parallel Streams can be obtained in environments […]
Guide to the Fork/Join Framework in Java
1. Overview The fork/join framework was presented in Java 7. It provides tools to help speed up parallel processing by attempting to use all available […]
A Guide to the Java ExecutorService
1. Overview ExecutorService is a JDK API that simplifies running tasks in asynchronous mode. Generally speaking, ExecutorService automatically provides a pool of threads and an API for assigning […]
Daemon Threads in Java
1. Overview In this short article, we’ll have a look at daemon threads in Java and see what can they be used for. We’ll also […]
ThreadPoolTaskExecutor corePoolSize vs. maxPoolSize
1. Overview The Spring ThreadPoolTaskExecutor is a JavaBean that provides an abstraction around a java.util.concurrent.ThreadPoolExecutor instance and exposes it as a Spring org.springframework.core.task.TaskExecutor. Further, it is highly configurable through the […]
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 […]
The Thread.join() Method in Java
1. Overview In this tutorial, we’ll discuss the different join() methods in the Thread class. We’ll go into the details of these methods and some example code. Like the wait() and notify() methods, join() is […]
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. […]
Runnable vs. Callable in Java
1. Overview Since the early days of Java, multithreading has been a major aspect of the language. Runnable is the core interface provided for representing multi-threaded tasks […]
wait() and notify() Methods in Java
1. Overview In this tutorial, we’ll look at one of the most fundamental mechanisms in Java — thread synchronization. We’ll first discuss some essential concurrency-related […]
Implementing a Runnable vs Extending a Thread
1. Introduction “Should I implement a Runnable or extend the Thread class”? is quite a common question. In this article, we’ll see which approach makes more sense in practice […]
Introduction to Thread Pools in Java
1. Overview This tutorial is a look at thread pools in Java. We’ll start with the different implementations in the standard Java library and then […]
How to Kill a Java Thread
1. Introduction In this brief article, we’ll cover stopping a Thread in Java – which is not that simple since the Thread.stop() method is deprecated. As explained in this update from […]
Life Cycle of a Thread in Java
1. Introduction In this article, we’ll discuss in detail a core concept in Java – the lifecycle of a thread. We’ll use a quick illustrated […]
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 […]
Guide to java.util.concurrent.Future
1. Overview In this article, we are going to learn about Future. An interface that’s been around since Java 1.5 and can be quite useful when […]
Guide to the Volatile Keyword in Java
1. Overview In the absence of necessary synchronizations, the compiler, runtime, or processors may apply all sorts of optimizations. Even though these optimizations are beneficial […]
Guide to the Synchronized Keyword in Java
1. Overview This quick article will be an intro to using the synchronized block in Java. Simply put, in a multi-threaded environment, a race condition occurs when two or […]
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 […]
