In this chapter, we will cover the following topics:

• Creating a thread executor and controlling its rejected tasks
• Executing tasks in an executor that returns a result
• Running multiple tasks and processing the first result
• Running multiple tasks and processing all the results
• Running a task in an executor after a delay
• Running a task in an executor periodically
• Canceling a task in an executor
• Controlling a task finishing in an executor
• Separating the launching of tasks and the processing of their results in an executor