First you need to reference the object by its name. For example, to talk to an agent object you would reference the name of the object and its method. For objects to recognize messages that belong to certain object-oriented languages, the objects and method messages need to conform to a format. This format is known as the message signature. The phenomenon that lets objects communicate and respond to the same message is known as polymorphism.
Polymorphism is one of the underlying principles of object orientation.
But polymorphism is a central facility in the Java programming language. In the next newsletter we ll create two simple objects and demonstrate polymorphism between them. Related links Jeffrey Shapiro is a software development expert and well-known author. Feedback Tell us your thoughts on this article or the issues raised in it. When you click Submit, you'll be taken back to this article.