Introduction - If you have any usage issues, please Google them yourself
Frequent because of the general system to create, destroy threads, the system is not a small sum expenses For this frequently create a thread, the thread pool, each need to create a thread, as long as we allocated from the thread pool a he returned to the thread pool is used up, so that we can greatly save unnecessary consumption of resources buffer pool to increase the program speed, each taken from the pool of data, much faster than other acquisition the speed of the data.