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Course Introduction：Leveraging Class Externals in Object-Oriented Programming: Global Variables in ActionIn object-oriented programming, encapsulating functionality...

2025-01-18 comment 0  954

Course Introduction：Advantages of Using Getters and Setters in PHP: Object-Oriented Programming over Direct Field AccessPrivate fields in object-oriented programming...

2024-12-06 comment 0  932

Course Introduction：Inheritance in PHP object-oriented programming means that one class (subclass) can inherit the properties and methods of another class (parent class) to implement code reuse and clearer structure. 1. Create subclasses using extends keyword; 2. Subclasses can call parent class methods and modify their behavior through rewriting; 3. Applicable to "is-a" relationships to avoid deep inheritance hierarchy and tight coupling. For example, the Dog class inherits the Animal class and overrides the speak() method, which can both reuse code and customize functions.

2025-06-22 comment 0  875

Course Introduction：Class and Instance Attributes: Variables Inside and Outside of __init__()In object-oriented programming, class attributes and instance attributes...

2024-10-27 comment 0  920

Course Introduction：Understanding the Difference Between 'self' and '$this' in PHP 5When working with object-oriented programming in PHP 5, it's crucial to grasp the...

2024-12-17 comment 0  517

Course Elementary  26054

Course Introduction：Object-oriented programming using php

Course Elementary  13825

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82361

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13180

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24629

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.