封装性

Yang 发布于 2020-01-03 收录于 Java

封装性在Java中的体现方法就是一种封装 private关键字也是一种封装方法封装 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 //封装就是将一些细节隐藏起

Java Study Plan

Yang 发布于 2020-01-01 收录于 Java

This is a simple java study plan

正则表达式

Yang 发布于 2019-11-22 收录于编程

简单来说，正则表达式就是记录本文规则的代码

Spider in Python

Yang 发布于 2019-11-21 收录于 Python

There are some ways to use spider, for example, request, bs4…

Git learning notes

Yang 发布于 2019-11-20 收录于编程

Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Git

Inheritance

Yang 发布于 2019-11-20 收录于 Java

When you inherit from an existing class, you reuse its method, and you can add new method and fields to adapt your new class to new situations.