AP Computer Science Wrapper Classes

AP Computer Science Java tutorials and lessons that teach you how to program and code using Java. http://www.atomictoddler.com has lessons and activities and resources that match these video tutorials and lessons for learning Java. Java wrapper classes. Primitive variable values need to be 'wrapped' in a wrapper class if they are going to be used in a data structure that requires reference variables. How to create and use wrappers. Autoboxing and unboxing are also discussed, they make it easy to work with the wrapper classes.