What is the difference between Go's interfaces and inheritance for defining and reusing types and behaviors in Go programs?

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Jayant Kumar · Accepted Answer

Interfaces and inheritance are two different mechanisms for defining and reusing types and behaviors in Go programs.
Inheritance is a mechanism in which a new class is created by inheriting the properties and methods of an existing class. Inheritance allows the subclass to reuse the code and functionality of the superclass, and to add or override its own properties and methods. Inheritance is a form of hierarchical relationship between classes.
On the other hand, Go's interfaces define a set of methods that a type must implement in order to satisfy the interface. Interfaces allow for polymorphism, which means that multiple types can satisfy the same interface and be used interchangeably. Unlike inheritance, interfaces do not define a hierarchical relationship between types, and they do not allow for code reuse by subclassing. Instead, interfaces promote code reuse through composition, by allowing types to be composed together through the use of interfaces.
In summary, while inheritance is a mechanism for reusing code through subclassing and hierarchy, interfaces and polymorphism are mechanisms for defining and reusing abstract types and behaviors through composition and interchangeability.

What is the difference between Go's interfaces and inheritance for defining and reusing types and behaviors in Go programs?

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What is the difference between Go's interfaces and inheritance for defining and reusing types and behaviors in Go programs?

Jayant Kumar @jayantkumar314

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