public boolean equals(Object obj) Indicates whether some other object is "equal to" this one. The equals method implements an equivalence relation on non-null object ...

The code given below is a valid POJO. Java POJOs are allowed to return same hashCode() for non-equal objects. Might not be optimal, but it's valid and actually fairly ...

Java’s equals() and hashcode() are two methods that work together to verify if two objects have the same value. You can use them to make object comparisons easy and efficient in your Java programs. In ...

method provides the hash code of the provided Object as would be returned from its ultimate Object parent regardless of whether the passed-in object overrode the hashCode method . This is demonstrated ...