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Explicit argument can be lambda

Reports method calls that accept a non-trivial expression and can be replaced with an equivalent method call which accepts a lambda instead.

Converting an expression to a lambda ensures that the expression won't be evaluated if it's not used inside the method. For example, optional.orElse(createDefaultValue()) can be converted to optional.orElseGet(this::createDefaultValue).

This inspection depends on the Java feature 'Lambda expressions' which is available since Java 8.

New in 2018.1

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Java, 241.16690

Last modified: 29 April 2024