In this chapter, we will cover the following topics:

• Customizing the ThreadPoolExecutor class
• Implementing a priority-based Executor class
• Implementing the ThreadFactory interface to generate custom threads
• Using our ThreadFactory in an Executor object
• Customizing tasks running in a scheduled thread pool
• Implementing the ThreadFactory interface to generate custom threads for the fork/join framework
• Customizing tasks running in the fork/join framework
• Implementing a custom Lock class
• Implementing a transfer queue-based on priorities
• Implementing your own atomic object
• Implementing your own stream generator
• Implementing your own asynchronous stream