Why does Java's standard class library contain empty interfaces like Cloneable and Serializable? Find out why in this sixth installment in the "Object-oriented language basics" series. You'll also ...

Functional supplier interface in Java tutorial There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package ...

Creating an object using a constructor will only create objects of a specific type. Using a static factory in this way creates a nice separation between interface and implementation.

If you want to take advantage of sorting methods in Java, you'll need to implement the Comparable interface.