Usages of API which isn't available at the configured language level

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

Since15

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | JVM languages

Inspection options

Here you can find the description of settings available for the Usages of API which isn't available at the configured language level inspection, and the reference of their default values.

Forbid usages of API newer than

Default setting: (according to project settings)

Other available settings:

• 1.3 - Plain old Java

• 1.4 - 'assert' keyword

• 5 - 'enum' keyword, generics, autoboxing, etc.

• 6 - @Override in interfaces

• 7 - Diamonds, ARM, multi-catch, etc.

• 8 - Lambdas, type annotations, etc.

• 9 - Modules, private methods in interfaces, etc.

• 10 - Local variable type inference

• 11 - Local variable syntax for lambda parameters

• 12 - No new language features

• 13 - No new language features

• 14 - Switch expressions

• 15 - Text blocks

• 16 - Records, patterns, local enums and interfaces

• 17 - Sealed types, always-strict floating-point semantics

• 17 (Preview) - Unsupported

• 18 - JavaDoc snippets

• 18 (Preview) - Unsupported

• 19 - No new language features

• 19 (Preview) - Unsupported

• 20 - No new language features

• 20 (Preview) - Unsupported

• 21 - Record patterns, pattern matching for switch

• 21 (Preview) - String templates, unnamed classes and instance main methods, etc.

• 22 - Unnamed variables and patterns

• 22 (Preview) - Statements before super(), string templates (2nd preview), etc.

• 23 - Markdown documentation comments

• 23 (Preview) - Primitive types in patterns, implicitly declared classes, etc.

• X - Experimental features