runtime and compile time polymorphism in python
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Title: Understanding Runtime and Compile-Time Polymorphism in Python
Introduction:
Polymorphism is a key concept in object-oriented programming that allows objects of different types to be treated as objects of a common type. Python supports both runtime and compile-time polymorphism. In this tutorial, we will explore the concepts of runtime and compile-time polymorphism in Python with code examples.
1. Compile-Time Polymorphism:
Compile-time polymorphism, also known as method overloading, allows a class to have multiple methods with the same name but different parameters. The method to be called is determined at compile time based on the method signature.
Example:
In this example, the MathOperations class has two add methods with different numbers of parameters. The correct method is selected at compile time based on the number of arguments passed.
2. Runtime Polymorphism:
Runtime polymorphism, also known as method overriding, occurs when a subclass provides a specific implementation for a method that is already defined in its superclass. The method to be executed is determined at runtime.
Example:
In this example, the Animal class has a speak method, and its subclasses (Dog and Cat) provide their own implementations. The correct method is determined at runtime based on the type of the object.
Conclusion:
Understanding runtime and compile-time polymorphism in Python is crucial for building flexible and reusable code. Compile-time polymorphism (method overloading) enables the creation of methods with the same name but different parameters, while runtime polymorphism (method overriding) allows a subclass to provide its own implementation of a method defined in its superclass. Combining these concepts helps developers create more versatile and maintainable code.
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