java基础知识的笔记，一些易错的知识点-the core of the java note

黑马程序员经典笔记（一）：语法基础（关键字，数据类型，常量，变量，运算符，数组等）-Dark horse classic programmer notes (a): Syntax basis (keywords, data types, constants, variables, operators, arrays, etc.)

自己总结的一些Java基础学习的笔记，都是自己一点一点的看书，看视频总结，有些可能自己的见解，但是不一定对，不对的地方请大家指出。-Own summary of some of the basics of Java study notes, are their own little bit of reading books, watching video summary, some may have their own opinions, but not necessarily right, w