zoom_in Click to enlarge

Invert Boolean

▲ ▼

description Invert Boolean Overview

Invert Boolean is a refactoring available in JetBrains development environments for changing the meaning of a boolean value or condition while preserving the surrounding program logic. The operation can invert a boolean expression and adjust references and conditional branches so that the code continues to represent the same behavior. It is intended for developers cleaning up confusing true or false semantics without editing every use manually.

help Invert Boolean FAQ

What does the Invert Boolean refactoring do in JetBrains IDEs?

It changes a boolean condition to its logical opposite while updating the surrounding logic so behavior stays the same. For example, a check for isReady can become a check for !isReady with the related branches adjusted.

Which JetBrains development environments support Invert Boolean?

Invert Boolean is available as a refactoring in JetBrains IDEs that support the relevant language and code analysis, such as IntelliJ IDEA for Java and Kotlin. The exact menu location and availability depend on the IDE and language plugin.

Can Invert Boolean rename the variable as well as reverse its value?

The refactoring can invert a boolean expression and update its references, while renaming is a separate code-refactoring task. A developer may use both operations when a name such as isNotReady would become clearer after inversion.

Why use Invert Boolean instead of changing one if statement by hand?

The refactoring is useful when a boolean is referenced in several places because the IDE can update related conditions consistently. That reduces the chance of leaving one branch or caller with the old meaning.