Difference Between Inheritance And Polymorphism In Java
distinguishing inheritance and polymorphism in java
Difference Between Inheritance And Polymorphism In Java
In Java, inheritance refers to the mechanism by which a class can inherit attributes and methods from another class. This allows for code reuse and promotes a hierarchical relationship between classes. On the other hand, polymorphism refers to the ability of objects of different classes to respond to the same method in different ways. Polymorphism in Java is achieved through method overloading and method overriding, allowing objects to exhibit different behaviors based on their specific class type. Inheritance establishes relationships between classes, while polymorphism allows for flexibility and dynamic behavior in how objects interact with methods.
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1 - Inheritance in Java:
Inheritance is a mechanism in Java where a new class inherits properties and behaviors (methods) from an existing class. It promotes code reusability and allows the creation of a new class by extending an existing class.
2) Polymorphism in Java:
Polymorphism in Java allows objects to be treated as instances of their parent class or as instances of their own class. It enables methods to be called on objects of different classes through a common interface.
3) Inheritance helps in structuring classes in a hierarchical manner, with child classes inheriting attributes and methods from their parent classes.
Polymorphism promotes flexibility by allowing different classes to be treated as instances of a common superclass, enabling code to be written more generically.
4) Inheritance encourages the “is a” relationship between classes, where a child class is a specialized version of its parent class.
Polymorphism enables the “is a” relationship through method overriding, where a subclass provides a specific implementation of a method defined in its superclass.
5) Inheritance allows for method and attribute sharing between classes, reducing code duplication and improving maintainability.
Polymorphism allows for dynamic method invocation, where the actual method called is determined at runtime based on the object's type.
6) Inheritance is implemented through class extension using the “extends” keyword in Java.
Polymorphism is achieved through method overriding and method overloading, enabling objects of different classes to exhibit different behaviors through a common interface.
7) Inheritance establishes a parent child relationship between classes, forming a parent class and one or more child classes.
Polymorphism facilitates runtime binding of objects to methods, allowing for different classes to respond differently to the same method call based on their specific implementations.
8) Inheritance defines a clear hierarchy among classes, where subclasses inherit properties and behaviors from their superclass.
Polymorphism promotes flexibility and extensibility in code, allowing for the substitution of objects of different classes that share a common interface.
9) Inheritance supports code organization and maintenance by promoting code reuse through class extension.
Polymorphism enables more dynamic and flexible programming by allowing objects of different classes to be treated uniformly through common interfaces.
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