wrapper

When to use wrapper class and primitive type

Others have mentioned that certain constructs such as Collections require objects and that objects have more overhead than their primitive counterparts (memory & boxing). Another consideration is: It can be handy to initialize Objects to null or send null parameters into a method/constructor to indicate state or function. This can’t be done with primitives. Many … Read more

What is a wrapper class?

In general, a wrapper class is any class which “wraps” or “encapsulates” the functionality of another class or component. These are useful by providing a level of abstraction from the implementation of the underlying class or component; for example, wrapper classes that wrap COM components can manage the process of invoking the COM component without … Read more