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2. Composition over inheritance - Wikipedia

   en.wikipedia.org/wiki/Composition_over_inheritance

   Composition over inheritance (or composite reuse principle) in object-oriented programming (OOP) is the principle that classes should favor polymorphic behavior and code reuse by their composition (by containing instances of other classes that implement the desired functionality) over inheritance from a base or parent class. [ 2]

3. Object-oriented programming - Wikipedia

   en.wikipedia.org/wiki/Object-oriented_programming

   Through inheritance, a subclass can be created as a subset of the Button class. Objects are instances of a class. Object-oriented programming ( OOP ) is a programming paradigm based on the concept of objects , [ 1 ] which can contain data and code : data in the form of fields (often known as attributes or properties ), and code in the form of ...

4. Inheritance (object-oriented programming) - Wikipedia

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

   In object-oriented programming, inheritance is the mechanism of basing an object or class upon another object ( prototype-based inheritance) or class ( class-based inheritance ), retaining similar implementation. Also defined as deriving new classes ( sub classes) from existing ones such as super class or base class and then forming them into a ...

5. Metaclass - Wikipedia

   en.wikipedia.org/wiki/Metaclass

   Metaclass. In object-oriented programming, a metaclass is a class whose instances are classes themselves. Unlike ordinary classes, which define the behaviors of objects, metaclasses specify the behaviors of classes and their instances. Not all object-oriented programming languages support the concept of metaclasses.

6. Multiple inheritance - Wikipedia

   en.wikipedia.org/wiki/Multiple_inheritance

   Multiple inheritance. Multiple inheritance is a feature of some object-oriented computer programming languages in which an object or class can inherit features from more than one parent object or parent class. It is distinct from single inheritance, where an object or class may only inherit from one particular object or class.

7. Eiffel (programming language) - Wikipedia

   en.wikipedia.org/wiki/Eiffel_(programming_language)

   Eiffel is an object-oriented programming language designed by Bertrand Meyer (an object-orientation proponent and author of Object-Oriented Software Construction) and Eiffel Software. Meyer conceived the language in 1985 with the goal of increasing the reliability of commercial software development; [ 4] the first version becoming available in ...

8. Trait (computer programming) - Wikipedia

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

   Traits combine aspects of protocols (interfaces) and mixins. Like an interface, a trait defines one or more method signatures, of which implementing classes must provide implementations. Like a mixin, a trait provides additional behavior for the implementing class. In case of a naming collision between methods provided by different traits, the ...

9. 89-Year-Old Hiker Found Safe After Nearly 10 Days Alone in ...

   www.aol.com/89-old-hiker-found-safe-145310855.html

   Bing Olbum. Bing Olbum, 89, went missing while on a hiking trip in Idaho that was intended to last only five days, but resulted in him spending 10 days total in the wilderness. The hiker's camp ...