IntelliJ IDEA 2021.3 Help

Extract Superclass Dialog

Refactor | Extract Superclass

Item

Description

Extract superclass from

This read-only field shows the name of the source package that contains the class to extract a superclass from.

Extract superclass

When this option is selected, IntelliJ IDEA extracts a new superclass but does not use it immediately and the source code is not changed.

Superclass name

In this field, type the name for the new superclass. The field is available if the Extract superclass option is selected.

Extract superclass and use it where possible

Select this option to have a superclass extracted and immediately applied to the source code, with the suggested changes displayed in the dedicated tab of the Find tool window.

Rename original class and use superclass where possible

Use this option to rename the original class and make it an implementation of the newly created superclass.

Rename original class to

In this field, type the new name for the original class. The field is available if the Rename original class and use superclass where possible option is selected.

Package for new superclass

In this list, specify the package for the new superclass. If necessary, click Browse the Browse button and choose the target package in the dialog that opens.

Members to Form Superclass

In this area, specify the members of the class to be moved or delegated to the new superclass. To have an element included in the interface, select the checkbox next to it.

Make Abstract

Select this option to leave the method implementation within the current class, and declare it abstract in the extracted superclass.

JavaDoc/ASDoc for abstracts

In the JavaDoc/ASDoc area, specify the action to be applied to the inline documentation. The available options are:

  • As is - select this option to have the inline documentation left where it is.

  • Copy - select this option to have the inline documentation copied to the extracted superclass without removing it from its current location.

  • Move - select this option to have the inline documentation moved to the extracted superclass and delete it from its current location.

Last modified: 01 August 2022