An object is nothing more than a class instance. For example, now that the Book class has been declared, you can create one or more Book objects. Accomplish this task by specifying the new ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

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 ...