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What are the three characteristics of Java object-oriented

2025-03-30 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly explains "what are the three characteristics of Java object-oriented". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what are the three characteristics of Java object-oriented"?

Object-oriented has three characteristics: encapsulation, inheritance and polymorphism.

L encapsulation: hides the properties and implementation details of the object, and only provides public access, which isolates specific changes, is easy to use, and improves reusability and security.

L inheritance: there is a certain ownership relationship between two things, so the inherited class can obtain some properties and methods from the inherited class; this improves the reusability of the code. Inheritance is a prerequisite for polymorphism.

L polymorphism: the reference of the parent class or interface points to the subclass object, which improves the extensibility of the program, that is, as long as you implement or inherit the same interface or class, you can use the corresponding methods in the parent class to improve the extensibility of the program. But the downside of polymorphism is that the parent class reference cannot access the members of the subclass.

Thank you for your reading, the above is the content of "what are the three characteristics of Java object-oriented". After the study of this article, I believe you have a deeper understanding of what the three major characteristics of Java object-oriented are, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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