IntelliJ IDEA Keyboard Shortcuts by sujan prodhan

Basics Ctrl + / Comment line Ctrl + Shift + / Comment block Ctrl + D Duplicate line Alt + Shift + Down/Up Move line Ctrl + Alt + Shift + Down/Up Move whole statement Ctrl + - (number pad) Collapse block Ctrl + + (number pad) Expand Block Ctrl + Shift + +/- (number pad) Collap­se/­Expand whole file Selections Ctrl + A Select whole file Ctrl + W Extend selection to next code block Ctrl + Shift + W Shrinks selection Alt + J Select next occurrence Alt + Shift + J Deselect last occurrence Ctrl + Alt + Shift + J Select all occurr­ences in file Ctrl + Shift + F7 Highlight all usages in file Code Completion Ctrl + Space Suggest (Enter for add/Tab to overwrite) Ctrl + Space x2 Deeper level of suggestion Ctrl + Shift + Space List of matching suggestion Ctrl + Shift + Space x2 Suggestion in return statement Ctrl + Shift + Enter Complet statement

Refact­oring Shift + F6 Rename Ctrl + Alt + V Extract variable or field Ctrl + Alt + M Encapsule code in new method Ctrl + Alt + C Extract selected expression into a constant Ctrl + Alt + P Extract selected expression into a parameter Ctrl + Alt + T Surrou­nd/wrap selected code Code Assistance Ctrl + P See method signature Ctrl + J Insert live template Ctrl + Q See method docume­nta­ntion Ctrl + Alt + L Reformat code Ctrl + Shift + i See definition F2 Next highli­ghted error in file Ctrl + F1 See descri­ption error Alt + Enter See suggested solution Navigation Ctrl + N Search Class Ctrl + Shift + N Search File F4 Jump to source Ctrl + B Jump to declar­ation Ctrl + Alt + B Jump to implem­ent­ation Ctrl + F12 See file structure