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AbstractClassWithoutAnyMethod

Category: pmd
Rule Key: pmd:AbstractClassWithoutAnyMethod

⚠️ This rule is deprecated in favour of S1694.

If an abstract class does not provide any method, it may be acting as a simple data container that is not meant to be instantiated. In this case, it is probably better to use a private or protected constructor in order to prevent instantiation than make the class misleadingly abstract.

Example:

public class abstract Example {
  String field;
  int otherField;
}