FB面经prepare: Task Schedule - neverlandly - 博客园


FB面经prepare: Task Schedule - neverlandly - 博客园

每种task都有冷却时间，比如task1执行后，要经过interval时间后才能再次执行，求总共所需时间。

用HashMap保存每一个task的下一次可以开始执行的最早时间


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