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我是南城余！阿里云开发者平台专家博士证书获得者！欢迎关注我的博客！一同成长！一名从事运维开发的worker，记录分享学习。专注于AI，运维开发，windows Linux 系统领域的分享！本章节对应知识库https://www.yuque.com/nanchengcyu/java本内容来自尚硅谷课程...

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Java8 Functional Interface写给自己的小白函数式接口说明

1 什么是函数式接口函数式接口 (Functional Interface) 就是有且仅有一个抽象方法，但是可以有多个非抽象方法的接口。通常 Lambda 表达式在函数式接口上使用的Java8 引入 @FunctionalInterface 注解声明该接口是一个函数式接口。比如常用的 Consu...

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Lambda表达式（也称为闭包）是整个Java 8发行版中最受期待的在Java语言层面上的改变，Lambda允许把函数作为一个方法的参数（函数作为参数传递进方法中），或者把代码看成数据：函数式程序员对这一概念非常熟悉。在JVM平台上的很多语言（Groovy，Scala，……）从一开始就有Lambda...

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