package dustin.examples; import java.util.Calendar; /** * Simple employee class using NetBeans-generated 'common' methods * implementations that are typical of many such implementations created ...

The hashCode method is used to generate an integer value that represents the hash code of an object. It should be consistent with the equals method, meaning that if two objects are equal, they ...

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 ...

Java's Set and Map interfaces specify two very different collection types. A Set is just what it sounds like: a collection of distinct (non-equal) objects, with no other structure. A Map is, ...

However, the Java Platform provides a data structure that greatly simplifies the use of reference objects like this, called the java.util.WeakHashMap class. WeakHashMap works exactly like a hash ...