idea下載鏈接：
完整鏈接：https://www.jetbrains.com/idea/download/download-thanks.html?platform=windows
短鏈：http://uee.me/aWW3n
idea安裝教程：
https://blog.csdn.net/mashuai720/article/details/79389314（已經404）
idea激活碼生成網址：
http://idea.lanyus.com/（已失效）
http://idea.medeming.com/jet/
https://www.jianshu.com/p/702deab2447c
idea設置字體大小：
File->Settings->Editor->Font
Size從默認的12改為18
Apply、OK
添加Alt+/為idea代碼提示快捷鍵：
File->Settings->Keymap->Main menu->Code->Completion->Basic
右鍵Add Keyboard Shortcut，輸入Alt+/
Ok
設置行注釋快捷鍵：
File->Settings->Keymap->Main menu->Code->Comment with Line Comment
設置塊注釋快捷鍵：
File->Settings->Keymap->Main menu->Code->Comment with Bolck Comment
注解的設置：
https://blog.csdn.net/jianghappyboy/article/details/80794552
https://www.jianshu.com/p/5cbf330f91d3