摘要： 感谢大师兄的博客：https://www.cnblogs.com/likehua/p/3999538.html 阅读全文

摘要： java8 Arrays 的使用 Stream<String> stream = Stream.of("a","b","c"); List<String> upperList = stream.parallel() .map(String::toUpperCase) .collect(Collect 阅读全文