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Lambda中间操作distinct
2022-06-12 00:36:00 【Leon_Jinhai_Sun】
distinct
可以去除流中的重复元素。
例如:
打印所有作家的姓名,并且要求其中不能有重复元素。
List<Author> authors = getAuthors();
authors.stream()
.distinct()
.forEach(author -> System.out.println(author.getName()));注意:distinct方法是依赖Object的equals方法来判断是否是相同对象的。所以需要注意重写equals方法。
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