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Possibly unintended overload of method from superclass

Reports instance methods with the same name and the same number of parameters as a method in a superclass, but where at least one of the parameters is of a different incompatible type.

In this case, the method in a subclass will be overloading the method from the superclass instead of overriding it. If it is unintended, it may result in latent bugs.


public class Foo { void foo(int x) {} } public class Bar extends Foo { void foo(Number x) {} // Method 'foo()' overloads a compatible method of a superclass, // when overriding might have been intended }

Use the option to choose whether the inspection should also report cases where parameter types are not compatible.

Inspection options




Report even if parameter types are not compatible



Inspection Details

Available in:

IntelliJ IDEA 2023.3, Qodana for JVM 2023.3


Java, 233.SNAPSHOT

Last modified: 13 July 2023