What is the contract between equals() and hashcode()? Learn how these methods work together when comparing objects in Java.

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object methods such as equals (Object ...

It is essential to mention that it is a Java class with several benefits such as creating methods, validating on the constructor, overriding the getter, hashCode(), toString() methods, etc.