As shortcut keys

1, Ctrl+e, can display the most recently edited file list

2, Alt+q can see the declaration of the current method, the better use of this function is to quickly see the current class inherits the parent class or the implementation of the interface

3, Ctrl + U Navigate to the parent class name.

4, Alt+insert can generate the constructor/getter/setter, etc.

5, Alt+enter Import class Package

6. Ctrl+alt+l Format Code

7. ctrl+d Copy a row

8. Ctrl+y Delete a row

9, CTRL + Z revocation

10. Ctrl+shift+z Recovery
11. Ctrl+alt+space Code hint

12. Ctrl+alt+o Removal of invalid package references

13, Shift+alt+up/down Line code up/down move

As shortcut keys