Java_Object oriented_Programming

Object-Oriented Programming Tutorial by Chengpu Code Recipe

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Welcome to Chengpu Community! ? We are a group of international students, committed to building a systematic but not boring introductory programming learning platform. I hope everyone can support us more. If you find any shortcomings, please contact us~

This tutorial is for beginner programmers and is the next tutorial for most students to learn Java. This tutorial is mainly used to introduce the theoretical knowledge concepts of object-oriented programming in Java. No matter which object-oriented language you want to learn in the future, it is very useful to learn this tutorial.

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Table of contents

1. Classes and Objects

• What is a class
• Properties and methods
• Object and object types
• Scope and three keywords
• this keyword
• Small exercises

2. Class Advanced

• Construction method
• Accessories and Changers
• Method overloading
• Javadoc comments
• Small exercises

3. Quote

• Primitive and Reference Types
• Empty quote
• Small exercises

4. inherit

• The relationship between parent class and child class
• Realize inheritance
• Method rewrite
• Abstract Class
• Small exercises

5. Polymorphic

• First knowing polymorphism
• Let's talk about polymorphism
• Type conversion
• Dynamic binding
• Calling the parent class with "super"
• "super" and construction method
• Exam skills
• Small exercises

6. interface

• What is the interface
• Define interface
• Implement the interface
• The difference between abstract classes and interfaces
• Small exercises

7. The final superclass - Object class

• What is the Object class
• Methods in Object class overview
• Small exercises

8. A special and important class - String class

• Creation and update of String objects
• Methods of String class
• Comparison of String classes
• Small exercises

9. Program Analysis and Design

• Waterfall model
• Object-oriented programming

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