1. 程式人生 > >【Java】關於Java8 parallelStream並發安全的思考

【Java】關於Java8 parallelStream並發安全的思考

pic 耗時 減少 思考 遇到 java parallel all ace

背景 Java8的stream接口極大地減少了for循環寫法的復雜性,stream提供了map/reduce/collect等一系列聚合接口,還支持並發操作:parallelStream。 在爬蟲開發過程中,經常會遇到遍歷一個很大的集合做重復的操作,這時候如果使用串行執行會相當耗時,因此一般會采用多

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【Java】關於Java8 parallelStream並發安全的思考