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以终为始

Effective Java Chapter6-Enums and Annotations

这是Effective Java第六章的总结, 讲枚举类和注解. 项目链接JavaLab. Item 34: Use enums instead of int constants 当需要int常量(static final int)

Posted by 小拳头 on Tuesday, December 28, 2021

Effective Java Chapter5-Generics

这是Effective Java第五章的总结, 讲泛型. 项目链接JavaLab. Item 26: Don’t use raw types 在集合中不要用raw types, 写集合带钻石符号, 避免

Posted by 小拳头 on Tuesday, December 14, 2021

Effective Java Chapter4-Classes and Interfaces

这是Effective Java第四章的总结, 讲如何设计Java Class和Interfaces, 这是我们写Java去抽象逻辑的核心. 项目链接

Posted by 小拳头 on Sunday, November 28, 2021

Effective Java Chapter3-Methods Common to All Objects

这是Effective Java第三章的总结, 将如何override Object类的方法, 以及Comparable.compareTo这个类似

Posted by 小拳头 on Tuesday, November 16, 2021

Effective Java Chapter2-Creating and Destroying Objects

这是Effective Java第二章的总结, 主要涵盖对象的创建和销毁. Item 1: Consider static factory methods instead of constructors 这个建议和设计模式中的工厂方法不是一个东西, 这里指当

Posted by 小拳头 on Monday, November 8, 2021

SpringBoot入门

Spring Boot is an open source Java-based framework used to create a micro Service. It is developed by Pivotal Team and is used to build stand-alone and production ready spring applications. Micro Service is an architecture that allows the developers to develop and deploy services independently. Each service running has its own process and this achieves the lightweight model to support business applications. Hello World Sprin

Posted by 小拳头 on Sunday, August 15, 2021

CSS入门

Cascading Style Sheets(CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML(including XML dialects such as SVG, MathML or XHTML). CSS describes how elements should be rendered on screen, on paper, in speech, or on other media. CSS is among the core languages of the open web and is standardized across Web browsers according to W3C specifications. 官方的tu

Posted by 小拳头 on Thursday, August 12, 2021

Java的基本类型

在刚结束的培训项目中需要把几个指标落库, 我想当然的以为int那21亿的范围应该已经够用了, 结果项目发布后报了一堆out of range. 我发现自己对最最基

Posted by 小拳头 on Sunday, August 8, 2021

SpringMVC入门

The Spring Web model-view-controller (MVC) framework is designed around a DispatcherServlet that dispatches requests to handlers, with configurable handler mappings, view resolution, locale and theme resolution as well as support for uploading files. The default handler is based on the @Controller and @RequestMapping annotations, offering a wide range of flexible handling methods. With the introduction of Spring 3.0, the @Controller mechanism also allows you to create RESTful Web sites and

Posted by 小拳头 on Sunday, July 25, 2021

Mybatis入门

MyBatis是一款优秀的持久层框架, 它支持自定义SQL/存储过程以及高级映射. MyBatis免除了几乎所有的JDBC代码以及设置参数和获取

Posted by 小拳头 on Friday, July 9, 2021