JAVA Simple thread pool differences

Create a thread pool:

　　

A few thread pools that are more commonly used

1 "Newcachedthreadpool

This is a pool of cache threads. Create a thread pool that will reclaim threads if there are idle threads present, and if the thread is not enough, create a new thread

2 "Newfixedthreadpool

Initializing a fixed-length thread pool, the maximum length of threads can be controlled, and the longest threads will wait.

3 "Newscheduledthreadpool

can support the task scheduling of the thread, support cycle and timing tasks, can be said to the task and tasktime optimization, for the task execution time is too long or the simultaneous execution of multiple tasks, etc. is more appropriate.

4 "Newsinglethreadexecutor

This is a singleton thread pool, and all tasks are executed in the order set (Fifo,lilo).

JAVA Simple thread pool differences