Ctrl+j (alt+→): Smart tip.
Ctrl+x: Deletes the entire row.
Shift+alt+enter: Full Screen Toggle
F12: Jump to Definition.
ctrl+-, ctrl+shift+-: Previous step, next step (only used last).
Ctrl+u, Ctrl+shift+u: lowercase, variable capitalization.
Ctrl+e+c, Crtr+e+u: Comments, anti-annotations.
CTRL+E+F: Format code (you can also delete the last} In addition, only available when the code does not error).
Ctrl + M + O: Collapses all methods.
Ctrl + M + L: Expands all methods.
Ctrl + M + M: collapses or expands the current method.
Ctrl+alt+x: Bring up the toolbox.
Ctrl+b+t: adding or deleting bookmarks.
Ctrl+b+c: Clears all bookmarks.
Ctrl+b+n: Next bookmark.
Ctrl+b+p: Previous bookmark.
Ctrl+f: Search. (F3, Shift+f3, Previous, next).
Ctrl+↑↓: Move the code without moving the cursor.
Ctrl+h: Replace
C # shortcut keys (gradually perfected ....) )