Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields, ...

But I don't know how to edit objects of the class based on the input from the user. Or if that is even possible. Yes it's possible. You're already doing it for firstname and lastname. From what you've ...

It should be OK, right? Directly, we can invoke bar() on an instance of Blah using a short parameter because the short can be widened to an int. Reflectively, we can invoke bar() by passing a Short in ...