1. Java 集合
引用: https://www.cnblogs.com/LittleHann/p/3690187.html
2. centos 安装 java
引用: https://blog.csdn.net/qq_32786873/article/details/78749384
3. centos 安装 maven
引用: https://blog.csdn.net/qq_26954773/article/details/78272001
4, idea 创建一个 spring boot 项目
引用: https://www.cnblogs.com/shenyf/p/8453176.html
5. java 8 之后引入的 Optional
引用: https://www.cnblogs.com/zhangboyu/p/7580262.html
引用: https://blog.csdn.net/hj7jay/article/details/52459334
6. spring-boot mybatis plus
引用: https://blog.csdn.net/u014745069/article/details/80783122
7. 观察者模式
引用: https://www.cnblogs.com/luohanguo/p/7825656.html
8. spring boot mail
引用: https://www.cnblogs.com/yangtianle/p/8811732.html
引用: https://blog.csdn.net/u013360850/article/details/78822860
引用: https://blog.csdn.net/weixin_38187317/article/details/79575027
引用: https://blog.csdn.net/zhangshaoxu/article/details/48291047
9. java 中文转拼音
引用: https://blog.csdn.net/l1028386804/article/details/55505397
10. spring-boot logback 配置
引用: https://www.cnblogs.com/zheting/p/6707041.html
引用: http://aub.iteye.com/blog/1101260
11. java 定时器
引用: http://www.cnblogs.com/chenssy/p/3788407.html
引用: https://www.cnblogs.com/huhx/p/baseusejavaScheduledExecutorService.html
关闭定时器:
Timer 类: cancel
scheduledExecutorService: shutdown
12. spring boot 打包跳过测试
引用: https://blog.csdn.net/m0_37893932/article/details/78781558
13. spring boot 代理邮箱 端口解决
引用: https://blog.csdn.net/zhao1991abc/article/details/82908213
14. jackson 使用
引用： https://blog.csdn.net/huangcsdnjava/article/details/72869206