Inheritance and composition are two programming techniques developers use to establish the relationship between classes and objects. Whereas inheritance derives one class from another, composition ...

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Polymorphism refers to the ability of some entities to occur in ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Senyo Simpson discusses how Rust's core ...

Then I would like the gson to work for each of the subclasses and the superclass, i.e. if I pass in an ID of a BlogEntry, or a Book or a pure Content object, I would like to use the same show.gson.

Abstract: XML is popularly used as the de-facto standard for exchanging data between information systems. Storage and access to such XML encoded data is needed. Many approaches have been proposed: (i.