I am using this blog post to build upon these examples to demonstrate the utility of Java 7’s Objects.equals (Object, Object) method and will demonstrate the usefulness of Objects.hash (Object ...

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

The System.identityHashCode(Object) method is an easy way to obtain the hash code that would have been provided for a particular object if that object’s class did not override the hashCode ...