methods in the object class are useful as is and seldom need to be overridden.

Methods of Object class MethodDescriptionpublic int hashCode()returns the hashcode number for this object.public boolean equals(Object obj)compares the given object to this object.protected Object clone() throws CloneNotSupportedExceptioncreates and returns the exact copy (clone) of this object.Java Object Class – Javatpoint www.javatpoint.com › object-class

The Object class provides a callback method, finalize() , that may be invoked on an object when it becomes garbage. Object ‘s implementation of finalize() does nothing—you can override finalize() to do cleanup, such as freeing resources.