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Method overriding, in object-oriented programming, is a language feature that allows a subclass or child class to provide a specific implementation of a method that is already provided by one of its superclasses or parent classes.
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.
Illustration of method overriding. Many object-oriented programming languages permit a class or object to replace the implementation of an aspect—typically a behavior—that it has inherited. This process is called overriding. Overriding introduces a complication: which version of the behavior does an instance of the inherited class use—the ...
Depending on the definition of the language, subclasses may or may not be able to override the methods defined by superclasses. Multiple inheritance is allowed in some languages, though this can make resolving overrides complicated.
Override may refer to: Dr. Gregory Herd, a Marvel Comics character formerly named Override; Manual override, a function where an automated system is placed under manual control; Method overriding, a subclassing feature in object-oriented programming languages. Price override, in retail
For addicts, cravings override all normal rules of behavior. In interviews throughout Northern Kentucky, addicts and their families described the insanity that takes hold. Some addicts shared stories of shooting up behind the wheel while driving down Interstate 75 out of Cincinnati, or pulling over at an early exit, a Kroger parking lot.
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A couple of mainstream languages, Eiffel and Dart [9] allow the parameters of an overriding method to have a more specific type than the method in the superclass (parameter type covariance). Thus, the following Dart code would type check, with putAnimal overriding the method in the base class: