Why Is Equals () Declared Final?

1.	Why Is Equals () Declared Final?
Answer» The EQUALS () METHODS are final for JDOM Content classes so that a subclass can't break the == BEHAVIOR that's required for calls like list. REMOVE (elem) to work as designed. SIMILARLY, the hashCode () methods are also final (to preserve the equals/hashCode contract). The equals () methods are final for JDOM Content classes so that a subclass can't break the == behavior that's required for calls like list. Remove (elem) to work as designed. Similarly, the hashCode () methods are also final (to preserve the equals/hashCode contract).

Answer»

The EQUALS () METHODS are final for JDOM Content classes so that a subclass can't break the == BEHAVIOR that's required for calls like list. REMOVE (elem) to work as designed. SIMILARLY, the hashCode () methods are also final (to preserve the equals/hashCode contract).

The equals () methods are final for JDOM Content classes so that a subclass can't break the == behavior that's required for calls like list. Remove (elem) to work as designed. Similarly, the hashCode () methods are also final (to preserve the equals/hashCode contract).

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