List<String> list = Arrays.asList("a","b","c","d");
ExecutorService service = Executors.newFixedThreadPool(2);
service.execute(() -> list.parallelStream().forEach(System.out::println));
这样一段代码什么都没输出,而将parallelStream去掉就可以输出,这是什么机制?谁能解释下
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