IDEA集成开发工具的介绍、下载、安装、使用，idea常用配置

1. 集成开发环境(IDE Integrated Development Environment)

        1.把代码编写，编译，执行等多种功能综合到一起的开发工具，可以进行代码的智能提示、错误提醒。项目管理等等。

        2. 常见的Java的集成开发工具有：MyEclispe、Eclipse、IntelliJ IDEA、Jbulider等。

 2. IntelliJ IDEA开发工具

        1. IntelliJ IDEA 简称IDEA，是java编程语言开发的集成环境，在业界被公认为最好的java开发工具。

        2.IDEA在代码错误提示、智能代码补全等多方面的表现都非常好，是java开发的首选工具。

  3. IDEA下载

       官网下载地址： https://www.jetbrains.com.cn/idea/download

        旧版本下载 https://www.jetbrains.com/idea/download/other.html

 旗舰版的功能比较全，这里安装的是旗舰版；

4. IDEA 安装

        1.安装包下载完成之后直接打开，点击下一步。

2.  更换安装路径，点击下一步。

3.是否创建桌面图标，下一步

4. 一直点击下一步，安装完成

 5. 运行IDEA

        1. 勾选同意，点击“Continue”。

        2. 选择“Don't send”

        3. IDEA. Activation code请参考：

        如不能使用请参考下面的链接

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codehttps://idea.medeming.com/idea/90.html

        4. 完成

 6. IDEA 使用

        1. IDEA 项目结构介绍

                project(项目、工程)

                module(模块)

                package(包)

                class(类)

                这些模块的划分，方便管理项目管理和代码文件

        2. 新建项目

         3. 新建Module 模块    

 4. 创建Package 包 

5. 新建类

 6. 运行java程序

 7. IDEA 常用基本配置

        1. IDEA中设置主题、字体

 8. IDEA 常用快捷键

        1. main/psvm、sout..  快速输入相关代码

        2. Ctrl + D 复制当前行数数据到下一行

        3. Ctrl + Y 删除所在行，建议用Ctrl + X

        4. Ctrl + ALT + L 格式化代码 

        5. ALT + SHIFT + ↑，  ALT + SHIFT + ↓ 上下移动当前代码

        6.Ctrl + /, Ctrl + Shift + /   对代码进行注释

9. IDEA  项目、模块常用操作

        1. 删除类文件

        2. 修改类名称 

        3.修改模块名称

        4.删除模块

        删除之后 重启IDEA 

        5.打开项目

        6.关闭项目

                 直接关闭IDEA 或者：