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不因事小就视而不见，不因任务艰巨就退缩不前，不因目标长远就消极懈怠。
。服务器推荐对此有专业解读
That said, it's important to recognize that locking in itself is not bad. It does, in fact, serve an important purpose to ensure that applications properly and orderly consume or produce data. The key challenge is with the original manual implementation of it using APIs like getReader() and releaseLock(). With the arrival of automatic lock and reader management with async iterables, dealing with locks from the users point of view became a lot easier.
while (right 0 && nums[right - 1] <= nums[right]) {