Undo last operation

`Ctrl` + `Z`

All hotkeys for MPS 2017 (Windows)

Advanced Editing Comment/uncomment current line or selected block with line comments	`Ctrl` + `/`
Advanced Editing Comment/uncomment code with block comments	`Ctrl` + `Shift` + `/`
Advanced Editing Show the Highlighting level pop-up window to configure highlighting in the current file	`Ctrl` + `Shift` + `Alt` + `H`
Advanced Editing Show parameters of the method call at the caret	`Ctrl` + `P`
Advanced Editing Show the current method or class declaration when it is not visible	`Alt` + `Q`
Advanced Editing Show an error or warning description at the caret	`Ctrl` + `F1`
Advanced Editing Open browser with the documentation for the selected item	`Shift` + `F1`
Advanced Editing Override base class methods in the current class	`Ctrl` + `O`
Advanced Editing Surround selected code fragment with if, do, tags or other constructs	`Ctrl` + `Alt` + `T`
Advanced Editing Code completion for any class, method or variable	`Ctrl` + `Spacebar`
Advanced Editing Code Completion filtering the lookup list basing on expected type	`Ctrl` + `Shift` + `Spacebar`
Advanced Editing Goes through the names of classes, methods, keywords and variables in the current visibility scope	`Alt` + `/`
Advanced Editing Show a pop-up list of starting with a specified prefix	`Ctrl` + `J`
Advanced Editing Surround the selection with one of the templates	`Ctrl` + `Alt` + `J`
Advanced Editing In templates: move the caret to the next template variable	`Tab`
Advanced Editing In templates: move the caret to the previous template variable	`Shift` + `Tab`
Basic Editing Delete a character to the left of the caret	`Backspace`
Basic Editing Undo last operation	`Ctrl` + `Z`
Basic Editing Redo last undone operation	`Ctrl` + `Shift` + `Z`
Basic Editing Cut a current line or a selected code block to the Clipboard	`Ctrl` + `X`
Basic Editing Copy a current line or a selected code block to the Clipboard	`Ctrl` + `C`
Basic Editing Paste from the Clipboard to the caret location	`Ctrl` + `V`
Basic Editing Paste selected entry from the Clipboard to the caret location	`Ctrl` + `Shift` + `V`
Basic Editing Move the caret one line up	`Up Arrow`
Basic Editing Move the caret one line up selecting the text	`Shift` + `Up Arrow`
Basic Editing Move the caret one line down	`Down Arrow`
Basic Editing Move the caret one line down selecting the text	`Shift` + `Down Arrow`
Basic Editing Move the caret one character to the left	`Left Arrow`
Basic Editing Move the caret one character to the left selecting the text	`Shift` + `Left Arrow`
Basic Editing Move the caret one character to the right	`Right Arrow`
Basic Editing Move the caret one character to the right selecting the text	`Shift` + `Right Arrow`
Basic Editing Move the caret down to the page bottom	`Ctrl` + `PgDn`
Basic Editing Move the caret down to the page bottom, selecting the text	`Ctrl` + `Shift` + `PgDn`
Basic Editing Move the caret up to the page top	`Ctrl` + `PgUp`
Basic Editing Move the caret up to the page bottom, selecting the text	`Ctrl` + `Shift` + `PgUp`
Basic Editing Move the caret one Page down	`PgDn`
Basic Editing Move the caret one Page down, selecting the text	`Shift` + `PgDn`
Basic Editing Move the caret one Page up	`PgUp`
Basic Editing Move the caret one Page up, selecting the text	`Shift` + `PgUp`
Basic Editing Scroll the text one line down	`Ctrl` + `Down Arrow`
Basic Editing Scroll a line at caret to the center of the screen	`Ctrl` + `M`
Basic Editing Scroll the text one line up	`Ctrl` + `Up Arrow`
Basic Editing Move the caret to the end of line	`End`
Basic Editing Move the caret to the end of line, selecting the text	`Shift` + `End`
Basic Editing Move the caret to the beginning of line	`Home`
Basic Editing Move the caret to the beginning of line, selecting the text	`Shift` + `Home`
Basic Editing Move the caret to the next word	`Ctrl` + `Right Arrow`
Basic Editing Move the caret to the next word, selecting it	`Ctrl` + `Shift` + `Right Arrow`
Basic Editing Move the caret to the previous word	`Ctrl` + `Left Arrow`
Basic Editing Move the caret to the previous word, selecting it	`Ctrl` + `Shift` + `Left Arrow`
Basic Editing Move the caret to the end of text	`Ctrl` + `End`
Basic Editing Move the caret to the end of text, selecting it	`Ctrl` + `Shift` + `End`
Basic Editing Move the caret to the beginning of text	`Ctrl` + `Home`
Basic Editing Move the caret to the beginning of text, selecting it	`Ctrl` + `Shift` + `Home`
Basic Editing Select the entire text opened in the editor	`Ctrl` + `A`
Basic Editing Delete the line where the caret is currently located	`Ctrl` + `Y`
Basic Editing Delete the word starting from the current caret location up to the word end	`Ctrl` + `Delete`
Basic Editing Delete the word starting from the current caret location up to the word start	`Ctrl` + `Backspace`
Basic Editing Toggle insert/overwrite modes	`Insert`
Basic Editing Duplicate selected block or the line at the caret	`Ctrl` + `D`
Basic Editing Toggle case of the selected text block	`Ctrl` + `Shift` + `U`
Basic Editing Move the caret to the current code block end, highlighting the block limits	`Ctrl` + `]`
Basic Editing Move the caret to the current code block end, selecting the code beginning from the initial caret location	`Ctrl` + `Shift` + `]`
Basic Editing Move the caret to the current code block start, highlighting the block limits	`Ctrl` + `[`
Basic Editing Move the caret to the current code block start, selecting the code beginning from the initial caret location	`Ctrl` + `Shift` + `[`
Basic Editing Start a new line after the current one positioning the caret in accordance with the current indentation level	`Shift` + `Enter`
Basic Editing Start a new line before the current one	`Ctrl` + `Alt` + `Enter`
Basic Editing Concatenate the selected lines into one or concatenate the line where the caret is currently located with the next line	`Ctrl` + `Shift` + `J`
Basic Editing Split the selected line at the point where the caret is located, leaving the caret at the end of the first line	`Ctrl` + `Enter`
Basic Editing Select successively increasing code blocks starting from the current caret location	`Ctrl` + `W`
Basic Editing Remove sequentially the selection made by the action	`Ctrl` + `Shift` + `W`
Basic Editing Move the selected block to the next indentation level	`Tab`
Basic Editing Move the selected block to the previous indentation level	`Shift` + `Tab`
Basic Editing Indent the current line or selected block according to the General settings	`Ctrl` + `Alt` + `I`
Code Folding Expand the current collapsed fragment	`Ctrl` + `NumPad +`
Code Folding Collapse the current folding region	`Ctrl` + `NumPad -`
Code Folding Expand the current folded fragment and all the subordinate collapsed folding regions within that fragment	`Ctrl` + `Alt` + `NumPad +`
Code Folding Collapse the current folding region and all the subordinate folding regions within it	`Ctrl` + `Alt` + `NumPad -`
Code Folding Expand all collapsed fragments within the selection, or, if nothing is selected, expand all the collapsed fragments in the current file	`Ctrl` + `Shift` + `NumPad +`
Code Folding Collapse all folding regions within the selection, or, if nothing is selected, collapse all the folding regions in the current file	`Ctrl` + `Shift` + `NumPad -`
Code Folding Expand the current fragment and all the nested fragments up to the specified level	`Ctrl` + `NumPad 1..5`
Code Folding Expand all the collapsed fragments in the file up to the specified nesting level	`Ctrl` + `Shift` + `NumPad 1..5`
Code Folding Collapse the selected fragment and create a custom folding region for it to make it "foldable" / Expand the current fragment and remove the corresponding custom folding region to make the fragment "unfoldable"	`Ctrl` + `.`
Running and Debugging Run a program	`Shift` + `F10`
Running and Debugging Quickly select run/debug configuration and run or edit it	`Shift` + `Alt` + `F10`
Running and Debugging Repeat execution with the same settings, with the same tab of the Run tool window having the focus	`Ctrl` + `F5`
Running and Debugging Repeat execution with the same settings, with the same tab of the editor having the focus	`Shift` + `F10`
Running and Debugging Debug a program	`Shift` + `F9`
Running and Debugging Quickly select run/debug configuration and debug or edit it	`Shift` + `Alt` + `F9`
Running and Debugging Step to the next line in the current file See Stepping Through the Program	`F8`
Running and Debugging Step to the next executed line See Stepping Through the Program	`F7`
Running and Debugging Select the method to step in, if the current line contains multiple method call expressions See Choosing a Method to Step Into	`Shift` + `F7`
Running and Debugging Step to a first executed line after returning from the current method See Stepping Through the Program	`Shift` + `F8`
Running and Debugging Run until the next line in this method or file, skipping the methods referenced at the current execution point and ignoring breakpoints See Stepping Through the Program	`Shift` + `Alt` + `F8`
Running and Debugging Steps into the method called in the current execution point even if this method is to be skipped See Stepping Through the Program	`Shift` + `Alt` + `F7`
Running and Debugging Run to the line where the caret is located See Stepping Through the Program	`Alt` + `F9`
Running and Debugging Run to the line where the caret is located, ignoring breakpoints See Stepping Through the Program	`Ctrl` + `Alt` + `F9`
Running and Debugging Resume program execution	`F9`
Running and Debugging Terminate a debugging session	`Shift` + `F2`
Running and Debugging Evaluate an arbitrary expression	`Alt` + `F8`
Running and Debugging Evaluate an arbitrary expression without calling Evaluate Expression dialog	`Ctrl` + `Alt` + `F8`
Running and Debugging Toggle breakpoint at the current line	`Ctrl` + `F8`
Running and Debugging View/manage all breakpoints	`Ctrl` + `Shift` + `F8`
General Shortcuts Close an active tab in a tool window (for example, Find tool window)	`Ctrl` + `Shift` + `F4`
General Shortcuts Close an active editor	`Ctrl` + `F4`
General Shortcuts Open an editor for the selected item or items and give focus to the last opened file	`F4`
General Shortcuts Export contents of a tool window to a text file This feature applies to the Version Control Tool Window, Messages Tool Window, and other tool windows that provide the export button on the window toolbar	`Alt` + `O`
General Shortcuts Create a new class, file or directory See Populating Modules	`Alt` + `Insert`
General Shortcuts Save all files and settings	`Ctrl` + `S`
General Shortcuts When several tabs are open in the editor or a view, open the next tab to the right (or first tab if the current one is the last)	`Alt` + `Right Arrow`
General Shortcuts When several tabs are open in the editor or a view, open the next tab to the left (or last tab if the current one is the first)	`Alt` + `Left Arrow`
General Shortcuts Display intention actions (if any) for the code where the caret is currently located, or the selected GUI component in a form	`Alt` + `Enter`
General Shortcuts Detect all externally changed files and reload them from disk	`Ctrl` + `Alt` + `Y`
Search Initiate text search	`Ctrl` + `F`
Search Initiate text search and replace	`Ctrl` + `R`
Search Navigate to the next/previous occurrence of a selected word in the editor	`F3` / `Shift` + `F3`
Search Search in the editor for the word where the caret is currently located	`Ctrl` + `F3`
Search Initiate text search	`Ctrl` + `F`
Search Initiate search for a text string in the specified scope	`Ctrl` + `Shift` + `F`
Search Initiate search and replace in the specified scope	`Ctrl` + `Shift` + `R`
Search Initiate search for usages of the selected symbol in the specified scope	`Alt` + `F7`
Search Initiate search for usages of the selected symbol in the current file	`Ctrl` + `F7`
Search Highlight usages of a symbol at caret	`Ctrl` + `Shift` + `F7`
Search Show usages of a symbol at caret in a pop-up window Use list of found usages to jump to the desired location	`Ctrl` + `Alt` + `F7`
Search Find an action, bypassing menus See Finding Actions	`Ctrl` + `Shift` + `A`
Navigation between Bookmarks Navigate to a numbered bookmark with the corresponding number	`Ctrl` + `Specified Number`
Navigation between Bookmarks Turn anonymous bookmark on or off	`F11`
Navigation between Bookmarks Turn bookmark with mnemonic on or off	`Ctrl` + `F11`
Navigation between Bookmarks Open Bookmarks dialog to manage existing bookmarks and navigate between them	`Shift` + `F11`
Navigation between IDE Components Move focus from the current file, class, method or reference to a data source, to a view suggested in the Select Target pop-up menu Refer to Navigating Between IDE Components	`Alt` + `F1`
Navigation between IDE Components Collapse all nodes in a tree view	`Ctrl` + `NumPad -`
Navigation between IDE Components Expand all nodes in a tree view	`Ctrl` + `NumPad +`
Navigation between IDE Components Navigate between files opened in the editor, and tool windows	`Ctrl` + `Tab`
Navigation between IDE Components Open a tool window with the specified number	`Alt` + `Number`
Navigation between IDE Components Hide the currently active tool window	`Shift` + `Esc`
Navigation between IDE Components Activate the last focused tool window	`F12`
Navigation between Source Code Display the Structure pop-up window for quick navigation through the current file	`Ctrl` + `F12`
Navigation between Source Code Move focus from the current file, class, method or reference to a data source table to a view suggested in the Select Target pop-up menu See Navigating Between IDE Components	`Alt` + `F1`
Navigation between Source Code Show the list of recently opened files	`Ctrl` + `E`
Navigation between Source Code Show the list of recently updated files	`Ctrl` + `Shift` + `E`
Navigation between Source Code Browse hierarchy for the selected class class	`Ctrl` + `H`
Navigation between Source Code Navigate directly to a class in project by specifying its name in a pop-up dialog box	`Ctrl` + `N`
Navigation between Source Code Navigate directly to a file in project by specifying its name in a pop-up dialog box	`Ctrl` + `Shift` + `N`
Navigation between Source Code Show the list of recently opened files	`Ctrl` + `E`
Navigation between Source Code Show the list of recently updated files	`Ctrl` + `Shift` + `E`
Navigation between Source Code Navigate to any line in the current file by specifying its number	`Ctrl` + `G`
Navigation between Source Code Navigate to declaration of a symbol at caret	`Ctrl` + `B`
Navigation between Source Code Navigate to implementation of the item at caret	`Ctrl` + `Alt` + `B`
Navigation between Source Code Navigate to a type declaration of a symbol at caret, the symbol being a variable or a method call	`Ctrl` + `Shift` + `B`
Navigation between Source Code Navigate to a super method declaration of a method under the caret	`Ctrl` + `U`
Navigation between Source Code Navigate to a test for the class at caret, if any, or navigate from a test to a test subject	`Ctrl` + `Shift` + `T`
Navigation between Source Code Navigate between files with complicated relationships between them	`Ctrl` + `Alt` + `Home`
Navigation between Source Code Navigate to the next method declaration in the active editor tab	`Alt` + `Down Arrow`
Navigation between Source Code Navigate to the previous method declaration in the active editor tab	`Alt` + `Up Arrow`
Navigation between Source Code Navigate to the start of the current code block	`Ctrl` + `[`
Navigation between Source Code Navigate to the end of the current code block	`Ctrl` + `]`
Navigation between Source Code Undo last navigation operation	`Ctrl` + `Alt` + `Left Arrow`
Navigation between Source Code Redo last undone navigation operation	`Ctrl` + `Alt` + `Right Arrow`
Navigation between Source Code Navigate to a previous found item	`Ctrl` + `Alt` + `Up Arrow`
Navigation between Source Code Navigate to a next found item	`Ctrl` + `Alt` + `Down Arrow`
Navigation between Source Code Move through the most recent change points	`Ctrl` + `Shift` + `Backspace`
Navigation between Source Code Navigate to the next found error/warning	`F2`
Navigation between Source Code Navigate to the previous found error/warning	`Shift` + `F2`
Refactoring Rename the selected file, class, field, method, etc and change all references to it accordingly	`Shift` + `F6`
Refactoring Change the signature of the selected method and update all the corresponding method calls	`Ctrl` + `F6`
Refactoring Move the selected class, package or static member to another package or class and update all the corresponding references	`F6`
Refactoring Create a copy of the selected class, file or directory in the same or different directory or package	`F5`
Refactoring Delete the selected class, method or field checking its usages	`Alt` + `Delete`
Refactoring Turn the selected code fragment into a method	`Ctrl` + `Alt` + `M`
Refactoring Create a new variable and use the selected expression as its value	`Ctrl` + `Alt` + `V`
Refactoring Create a new field and use the selected expression as its value	`Ctrl` + `Alt` + `F`
Refactoring Create a new constant (static final field) and use the selected expression as its value	`Ctrl` + `Alt` + `C`
Refactoring Turn the selected expression into a new method parameter	`Ctrl` + `Alt` + `P`
Refactoring Inline the selected method or variable	`Ctrl` + `Alt` + `N`