Introduction
This lesson details the reasons why threads exist and what benefit do they provide. We also discuss the problems that come with threads.
What good is concurrency?
Understanding of how threading works and knowledge of concurrent programming principles exhibit maturity and technical depth of a candidate and can be an important differentiator in landing a higher leveling offer at a company. First, we have to understand why threading models exist and what good do they provide?
Threads like most computer science concepts aren't physical objects. The closest tangible manifestation of threads can be seen in a debugger. The screen-shot below, shows the threads of our program suspended in the debugger.
The simplest example to think of a concurrent system is a single-processor machine running your favorite IDE. Say you edit one of your code files and click save, that clicking of the button will initiate a workflow which will cause bytes to be written out to the underlying physical disk. ...