19.8. The Issue of Concurrency

When you build multithreaded applications, your program needs to ensure that any piece of shared data is protected against the possibility of numerous threads changing its value. Given that all threads in an AppDomain have concurrent access to the shared data of the application, imagine what might happen if multiple threads were accessing the same point of data. As the thread scheduler will force threads to suspend their work at random, what if thread A is kicked out of the way before it has fully completed its work? Thread B is now reading unstable data.

To illustrate the problem of concurrency, let's build another Console Application project named MultiThreadedPrinting. This application will once again make use ...

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