IDEA using commonly used shortcuts

Use shortcut keys in IDEA

1: know the class name of the class Global Search:   + + + ; CtrlShiftAltN

2: quickly navigate to the file folder class:

 

 

3: Optimization of classes and packages introduced (deleting unused packet) Ctrl + Alt + O 

4: Ctrl + / or Ctrl + Shift + / comment (* ... * or //)

5: ALT + ENTER imported packages, auto-correction 

6: CTRL + ALT + L formatting code  

7: Ctrl + D to copy the line 

8: Ctrl + X Delete Row

9: Ctrl + Shift + keys to move up and down the code 

10: Ctrl + O override method  

11: CTRL + P prompt method parameters