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java-design's Introduction

依托于具体场景，使用Java实现设计模式

创建型

  • 单例模式：singleton-demo，单例模式七种写法及并发测试

行为型

  • 观察者模式：小车摇号后需要推送消息到MQ及发送短信息到用户
  • 责任链模式：模拟日志打印器，根据传入参数的不通打印不通类型的日志
  • 命令模式：顾客点菜，小二记下菜，点完之后小二通知各种菜系的厨师做菜
  • 策略模式：商品折扣的不同策略：满减、直减、折扣和 N 元购

结构型

  • 代理模式：简单实现MyBatis，定义一个UserMapper接口，通过代理模式生成其代理类，执行具体方法
  • 装饰器模式：使用装饰器给不同的图形添加边框

参考：

  1. 结城浩.图解设计模式 [M] .人民邮电出版社，2017
  2. 程杰.大话设计模式 [M] .清华大学出版社，2007
  3. 菜鸟教程
  4. CS-Notes
  5. 重学设计模式

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