Summary
In simple concurrent applications, we execute concurrent tasks using the Runnable
interface and the Thread
class. We create and manage the threads and control their execution. We can't follow this approach in big concurrent applications because it can cause us many problems. For these cases, the Java concurrency API has introduced the executor framework. In this chapter, we presented the basic characteristics and components that form this framework. First of all, the Executor
interface, which defines the basic method to send a Runnable
task to an executor. This interface has a subinterface, the ExecutorService
interface, which includes methods to send to the executor tasks that return a result (these tasks implement the Callable
interface, ...
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