08 2018 档案

不应直接存储或返回可变成员 Mutable members should not be stored or returned directly
摘要：Mutable objects are those whose state can be changed. For instance, an array is mutable, but a String is not. Mutable class members should never be re 阅读全文
posted @ 2018-08-20 16:56 技术宅星云 阅读(2006) 评论(0) 推荐(0) 编辑
Oracle 11G 安装图文教程
摘要：Oracle 11G 下载地址：http://www.oracle.com/technetwork/cn/database/enterprise-edition/downloads/index.html 1. 点击setup.exe,启动安装程序 阅读全文
posted @ 2018-08-10 13:19 技术宅星云 阅读(146) 评论(0) 推荐(0) 编辑

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