IDE

IDE

Installation #

sudo tar -xvf idea* -C /opt/
Run idea.sh from the bin subdirectory.

Shortcuts #

General #

  • ctrl + alt + s - settings
  • ctrl + shift + a - action
  • 2 x shift - search everywhere
  • ctrl + n - find class
  • ctrl + shift + n - find file
  • ctrl + shift + t - navigate between test and implementation
  • ctrl + shift + i - object definition popup
  • shift + ESC - close last non center panel
  • ctrl + F12 - file structure
  • alt + F12 - terminal

Editing #

Execution #

  • shift + F10 - run current configuration
  • shift + F10 - execute current test class / tests for the current class

Notes from workshops: #

  • alt + number
  • ctrl + e - last visited places
  • ctrl + shift + e - last edited places
  • shift + escape - closes last tool window
  • ctrl + shift + f12 - close all tool windows
  • ctrl + shift + arrow - in tool window resize tool window, doesnt work in terminal (must remove capturing)
  • ctrl + shift + a - run action
  • ctrl + n - find file by class name
  • ctrl + shift + n - find file by file name
  • ctrl + shift + alt + n - find by symbol
  • shift + shift - find all above
  • alt + shift + F9 - debug
  • ctrl + w - expand selection
  • ctrl + shift + w - reduce selection
  • ctrl + space - code completion
  • ctrl + shift + space - smart code completion

When changing method #

  • tab - replaces current method
  • enter - appends current method
  • ctrl + shift + enter - encloses sentence in brackets
  • ctrl + . - closes sentence and adds dot on the end
  • ctrl + shift + arrow (up / down) - move properly class members
  • shift + enter - add enter after current line and goes to that line
  • ctrl + enter - add enter after current line but stays on that line
  • ctrl + d - duplicates line or selected line
  • ctrl + y - deletes current line
  • alt + insert - generate
  • ctrl + ~ - quick list

Debugger #

  • shift + F7 - smart step into
  • ctrl + alt + 9 - force run to cursor
  • alt + F8 - evaluate expression

Bookmarks #

  • F11 - toogle bookmarks
  • shift + F11 - browse bookmarks

Scratches #

  • ctrl + shift + alt - create scratches
  • ctrl + shift + i - inspection

File and Code Templates #

JUnit4 Test Class #

import org.mockito.*;
import org.junit.runner.RunWith;
import org.mockito.runners.MockitoJUnitRunner;
import static org.assertj.core.api.Assertions.assertThat;;

@RunWith(MockitoJUnitRunner.class)
public class ${NAME}{

  @InjectMocks
  private ${CLAS_NAME} instance;
  
  ${BODY}
}

JUnit4 Test Method #

@org.junit.Test
public void should${NAME}() throws Exception {
  ${BODY}
}

Clean up on save (reformat code, organize imports): #

  1. Code -> Reformat Code
  2. Edit -> Macros -> Start Macro Recording
  3. Code -> Reformat Code
  4. Code -> Optimize imports
  5. File -> Save all
  6. Edit -> Macros -> Stop Macro Recording
  7. `Name the macro (something like “formatted save”)
  8. File -> Settings -> Keymap -> right click on the macro ->dd Keyboard Shortcut ->et the keyboard shortcut to ctrl + s`.
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