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Java8 Stream 数据流，大数据量下的性能效率怎么样？

Stream 是Java SE 8类库中新增的关键抽象，它被定义于 java.util.stream （这个包里有若干流类型：Stream<T> 代表对象引用流，此外还有一系列特化流，如 IntStream，LongStream，DoubleStream等。Java 8 引入的的Stre...

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作为技术人员，学习新知识是基本功课。有些知识是不得不学，有些知识是学了之后如虎添翼，Java8的Stream就是兼具两者的知识。不学看不懂，学了写起代码来如虎添翼。在上篇《Java8 Stream新特性详解及实战》中我们介绍了Java8 Stream的基本使用方法，尝试一下是不是感觉很爽？当只用一行...

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Java8的Stream API可以极大提高Java程序员的生产力，让程序员写出高效率、干净、简洁的代码。那么，Stream API的性能到底如何呢，代码整洁的背后是否意味着性能的损耗呢？本文对Stream API的性能一探究竟。为保证测试结果真实可信，我们将JVM运行在 -server模式下，测试...

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