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Ubuntu调教日志

前言此记录为Linux的一个调教记录，方便以后查看基本篇设置软件源由于Ubuntu自带的源是国外的，所以同步的时候会比较慢。因此一般都需要修改源。由于Ubuntu自带gedit，所以就不...

2021-01-14 , 7 min read

Linux Code Software

HashMap 基本 HashMap基本特性： HashMap的Key和Value均允许为null HashMap的存取是没有顺序的 JDK8的底层是数组 + 链表 + 红黑树，JDK7...

2020-11-28 , 32 min read

java Code

最近看深入理解Java虚拟机的时候，第九章给了一个实战-手写一个远程执行功能，觉得是一个对JVM类加载机制以及类文件结构的一个很不错的总结。原文内容首先，在实现“在服务端执行临时代码”这个需求之...

2020-11-16 , 11 min read

Java Code

定义 Allow an object to alter its behavior when its internal state changes.The object will appear to...

2020-10-28 , 4 min read

Java DesignPartten Code

定义 Represent an operation to be performed on the elements of an object structure. Visitor lets you...

2020-10-28 , 5 min read

Java DesignPartten Code

定义 Without violating encapsulation,capture and externalize an object's internal state so that the ...

2020-10-28 , 4 min read

Java DesignPartten Code

定义 Given a language, define a representation for its gr ammar along with an interpreter that uses t...

2020-10-28 , 5 min read

Java DesignPartten Code

定义 Provide a way to access the el ements of an aggregate object sequentially without exposing its u...

2020-10-28 , 1 min read

Java DesignPartten Code

定义 Decouple an abstraction from its implementation so that the two can vary independently.（将抽象和实现解...

2020-10-13 , 4 min read

Java DesignPartten Code

定义 Provide a unified interface to a set of interfaces in a subsystem.Facade defines a higher-level ...

2020-10-13 , 4 min read

Java DesignPartten Code

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