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  2. Method overriding - Wikipedia

    en.wikipedia.org/wiki/Method_overriding

    There are methods that a subclass cannot override. For example, in Java, a method that is declared final in the super class cannot be overridden. Methods that are declared private or static cannot be overridden either because they are implicitly final. It is also impossible for a class that is declared final to become a super class. [9]

  3. Method (computer programming) - Wikipedia

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

    Overriding refers to a subclass redefining the implementation of a method of its superclass. For example, findArea may be a method defined on a shape class, [2] triangle, etc. would each define the appropriate formula to calculate their area. The idea is to look at objects as "black boxes" so that changes to the internals of the object can be ...

  4. Function overloading - Wikipedia

    en.wikipedia.org/wiki/Function_overloading

    In some programming languages, function overloading or method overloading is the ability to create multiple functions of the same name with different implementations. Calls to an overloaded function will run a specific implementation of that function appropriate to the context of the call, allowing one function call to perform different tasks ...

  5. Call super - Wikipedia

    en.wikipedia.org/wiki/Call_super

    Call super is a code smell or anti-pattern of some object-oriented programming languages. Call super is a design pattern in which a particular class stipulates that in a derived subclass, the user is required to override a method and call back the overridden function itself at a particular point.

  6. Factory method pattern - Wikipedia

    en.wikipedia.org/wiki/Factory_method_pattern

    In object-oriented programming, the factory method pattern is a design pattern that uses factory methods to deal with the problem of creating objects without having to specify their exact classes. Rather than by calling a constructor , this is accomplished by invoking a factory method to create an object.

  7. Non-virtual interface pattern - Wikipedia

    en.wikipedia.org/wiki/Non-virtual_interface_pattern

    The non-virtual interface pattern (NVI) controls how methods in a base class are overridden. Such methods may be called by clients and overridable methods with core functionality. [1] It is a pattern that is strongly related to the template method pattern. The NVI pattern recognizes the benefits of a non-abstract method invoking the subordinate ...

  8. Composition over inheritance - Wikipedia

    en.wikipedia.org/wiki/Composition_over_inheritance

    This can require significantly less programming effort if the base class contains many methods providing default behavior and only a few of them need to be overridden within the derived class. For example, in the C# code below, the variables and methods of the Employee base class are inherited by the HourlyEmployee and SalariedEmployee derived ...

  9. Object-oriented programming - Wikipedia

    en.wikipedia.org/wiki/Object-oriented_programming

    Instance methods – belong to individual objects, and have access to instance variables for the specific object they are called on, inputs, and class variables; Depending on the definition of the language, subclasses may or may not be able to override the methods defined by superclasses.