目录前言正文单层实体判空方式实体嵌套判空方式注解说明总结前言 最近在公司了接了个需求；需要开发一个中间系统；进行三方联调；有接口开发经验的朋友都知道；参数校验是必备的一项操作；怎么优雅的校验却是个问题；
I want to store few strings into an array using ArrayList. How can I store all the strings at once without using Add function every time. Is it somewhat related to interface I开发者_运维问答Collecti
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