Introduction
This is the second part of my two-part series on thread synchronization. If you missed the first article, check it out. In the previous article, we covered concepts of threads, synchronization techniques, and memory model of both Java and CPU. In this article, we'll focus on concepts of concurrency, how to execute tasks in concurrent mode, and the various classes and services in Java that offer concurrency (thread-pool).
Multi-Threading Costs
Before getting into concurrency, we have to understand the costs associated with multi-threading. The costs include application design, CPU, memory, and context switching. Below are some of the considerations for concurrency: