Data objects are comprised of properties and functions. For example, you could use a class to create a “bad guy” object in a program, and that would consist of its properties (2 legs, green ...

Java objects in a relational database context are defined as entities. ... In this example, we create a new table, BOOK_AUTHORS, with two columns: BOOK_ID and AUTHOR_ID.

The class in this example only defines properties. It contains no explicitly defined Java constructors. When no explicitly defined constructors exist, Java's virtual machine makes object creation ...