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'equals()' between objects of inconvertible types

Reports calls to equals() where the target and argument are of incompatible types.

While such a call might theoretically be useful, most likely it is a bug.

Example:

new HashSet<String>().equals(new TreeSet<Integer>());

Inspection options

Here you can find the description of settings available for the 'equals()' between objects of inconvertible types inspection, and the reference of their default values.

Warn if no mutual subclass found

Default: Selected

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