Overriding hashCode method in Java
Read moreWhat is difference between hashCode and equals in Java?
The key difference between equals and hashCode in Java is that the equals is used to compare two objects while the hashCode is used in hashing to decide which group an object should be categorized into .
Read moreWhat is the relation between equals and hashCode in Java?
hashCode() and equals() contract The basic rule of the contract states that if two objects are equal to each other based on equals() method, then the hash code must be the same , but if the hash code is the same, then equals() can return false.
Read moreHow hashCode () and equals () method are used in HashMap?
In HashMap, hashCode() is used to calculate the bucket and therefore calculate the index. equals method is used to check that 2 objects are equal or not . This method is provided by Object class. You can override this in your class to provide your own implementation.
Read moreHow we implement hashCode and equals method in Java?
The implementation of equals() and hashCode() should follow these rules.
Read moreWhich methods are implemented in Object class Java?
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
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