The temporary setup is created by the selected environment when you select Run or Debug on a particular element, such as a Java class or test class for example. To create a temporary configuration, use the Ctrl + Shift + F10 (PC) or control + Shift + R (Mac) shortcuts, or just right-click on a particular element and select Run or Debug from the context menu, as shown in the following screenshot:

You can also create a temporary configuration by right-clicking on a single test method, a main method in the editor window, or a Maven target in the Maven sidebar window. After executing the temporary profile for the first time, it gets added in the Run menu, along with your permanent configurations, as shown in the following screenshot. Take note that the icon of the temporary configuration will be semitransparent to easily distinguish it from the permanent configuration that we will describe in a while.

By default, IntelliJ IDEA will store up to five different temporary...