Editing Class (computer programming) (section)

=== Behavior ===
{{Main|Method (computer programming)}}
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The behavior of a class or its instances is defined using [[Method (computer programming)|methods]]. Methods are [[subroutine]]s with the ability to operate on objects or classes. These operations may alter the state of an object or simply provide ways of accessing it.{{sfn|Booch|1994|p=86-88}}<!-- (Note: Some languages allow direct access to instance variables ([[C++]])). --> Many kinds of methods exist, but support for them varies across languages. Some types of methods are created and called by programmer code, while other special methods—such as constructors, destructors, and conversion operators—are created and called by compiler-generated code. A language may also allow the programmer to define and call these special methods.<ref>{{cite web|url=http://www.cplusplus.com/doc/tutorial/classes/|title=Classes (I)|work=C++ Language Tutorial|publisher=cplusplus.com|access-date=2012-04-29}}</ref><ref>{{cite web|url=http://www.cplusplus.com/doc/tutorial/classes2/|title=Classes (II)|work=C++ Language Tutorial|publisher=cplusplus.com|access-date=2012-04-29}}</ref>