ConcurrentHashMap How to ensure thread safety
JDK1.7, Segment lock technology is essentially array + The form of linked list stores key value pairs . To improve concurrency , The original whole...
Java Summary of basic learning （162）—— How to ensure thread safety ?
One . Stateless we all know that when only multiple threads access common resources , Data security issues may arise , So if we don't have public ...
Basic problems of multithread concurrent programming
This is an old topic , But basically, most of the discussions went astray . The core of most discussions is How to design a lock to synchronize ...
Java Medium Future Custom implementation of pattern principle
Future The pattern is similar to js Medium ajax etc. , Is an asynchronous data acquisition mechanism , Here I understand some of my own image throu...
thread —— Creation method , common method , Thread safety , signal communication
one , Common methods of thread * 1. start(): Start the current thread ; Call the run() * 2. run(): It usually needs to be rewritten Thread Class...
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