Change together:
ALT+SHIFT+R
Quickly enter the main method:
main+alt+/
Enter System.out.println quickly:
syso+alt+/
View java source code
Click the method you want to check and press F3
Remove unused classes:
ctrl+shift+o
Comment the code:
Select one or more lines of code you want to annotate and press ctrl + shift + c
Uppercase / lowercase conversion:
ctrl+shift+x ctrl+shift+y
Rapid introduction of getters and setters
shift+alt+s