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2. Class (computer programming) - Wikipedia

   en.wikipedia.org/wiki/Class_(computer_programming)

   In object-oriented programming, a class defines the shared aspects of objects created from the class. The capabilities of a class differ between programming languages , but generally the shared aspects consist of state ( variables ) and behavior ( methods ) that are each either associated with a particular object or with all objects of that class.

3. Object-oriented programming - Wikipedia

   en.wikipedia.org/wiki/Object-oriented_programming

   Object-oriented programming uses objects, but not all of the associated techniques and structures are supported directly in languages that claim to support OOP. The features listed below are common among languages considered to be strongly class- and object-oriented (or multi-paradigm with OOP support), with notable exceptions mentioned.

4. Software design pattern - Wikipedia

   en.wikipedia.org/wiki/Software_design_pattern

   The helper classes generally have no objects hence they have all static methods that act upon different kinds of class objects. Yes Yes Yes Specification: Recombinable business logic in a Boolean fashion. Yes Yes Yes State: Allow an object to alter its behavior when its internal state changes. The object will appear to change its class. Yes Yes ...

5. Decorator pattern - Wikipedia

   en.wikipedia.org/wiki/Decorator_pattern

   In object-oriented programming, the decorator pattern is a design pattern that allows behavior to be added to an individual object, dynamically, without affecting the behavior of other instances of the same class. [1]

6. Design Patterns - Wikipedia

   en.wikipedia.org/wiki/Design_Patterns

   Design Patterns: Elements of Reusable Object-Oriented Software (1994) is a software engineering book describing software design patterns.The book was written by Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides, with a foreword by Grady Booch.

7. File:CPT-OOP-objects and classes - attmeth.svg - Wikipedia

   en.wikipedia.org/wiki/File:CPT-OOP-objects_and...

   A-level Computing 2009/AQA/Problem Solving, Programming, Operating Systems, Databases and Networking/Programming Concepts/Object-oriented programming (OOP) A-level Computing/AQA/Paper 1/Fundamentals of programming/Elements of Object-Oriented Programming; Usage on it.wikibooks.org Java/Programmazione ad oggetti; Usage on it.wikiversity.org

8. Inheritance (object-oriented programming) - Wikipedia

   en.wikipedia.org/wiki/Inheritance_(object...

   In most class-based object-oriented languages like C++, an object created through inheritance, a "child object", acquires all the properties and behaviors of the "parent object", with the exception of: constructors, destructors, overloaded operators and friend functions of the base class.

9. Visitor pattern - Wikipedia

   en.wikipedia.org/wiki/Visitor_pattern

   It should be possible to define a new operation for (some) classes of an object structure without changing the classes. When new operations are needed frequently and the object structure consists of many unrelated classes, it's inflexible to add new subclasses each time a new operation is required because "[..] distributing all these operations across the various node classes leads to a system ...