Running Applications

IntelliJ IDEA enables running entire applications as well as classes with the main() method.

IntelliJ IDEA uses settings that are defined in a Run/Debug Configuration. All the run configurations that exist in a project, are available in the Select Run/Debug Configuration list.

If you want to see the list of all currently running applications, select Run | Show Running List from the main menu. Refer to the Viewing Running Processes section for details.

Note that after you've started a run session, the icon that marks the Run tool window and in the Run/Debug Configuration Selector toggles to to indicate that the run process is active.

Run an application

In the gutter, click, and choose the desired command.
On the main toolbar, select the desired run configuration, and do one of the following:
- Select Run | Run 'selected configuration' from the main menu.
- Click .
- Press Shift+F10.
Press Shift+Alt+F10, select the desired run configuration from the list, and press Enter.

You can also quickly access this popup menu by pressing F9, when you're not running any debug session.

From this popup menu you also can:
- Invoke the Edit Configuration dialog.
- Edit the selected configuration before launch F4.
- Instantly delete a configuration Delete.
- Switch from run to debug and vice versa (hold Shift).
- Access a previously selected configuration 1.
- Access context-dependent configuration (2 or 3).
- If you want to see the list of all currently running applications, select Run | Show Running List from the main menu. Refer to the Viewing Running Processes section for details.

Running a class with main() method

Open the class in the editor and do one of the following:
- In the gutter, click, and choose the desired command.
- Choose Run <method name > from the context menu
- Press Ctrl+Shift+F10
Select the class in the Project tool window and choose Run <method name > from the context menu of the selection.

Last modified: 26 April 2020