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 ...

See Comparing Java objects with equals () and hashcode () for more about these methods. The equals() method first verifies that an Employee object has been passed.

* Whenever it is invoked on the same object more than once during an execution of a Java application, the `hashCode` method must consistently return the same integer, provided no information used in ...