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.

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Topics Spotlight: New Thinking about Cloud Computing ...

We have already seen in previous lesson how type casting works with primitive variables. We also looked at autoboxing and unboxing between a primitive type and their corresponding wrapper class. Now ...