Java8 API学习25 - java.util.concurrent.locks.Lock, ReentrantLock, Condition
,简单来说,锁可以做到更加具体的操作,因此能够在一定程度上简化编码.参考java文档中对Lock接口的描述:LockimplementationsprovidemoreextensivelockingoperationsthancanbeobtainedusingsynchronizedmethodsandstatementsLockpublicinterf