Methods in PHP cannot be overloaded. The so-called method overload means defining the same method name. The number of parameters is different or the type of parameters is different, to access different methods with the same method name. inheritance
Since the author's translation will add his understanding to help him learn and use it, if a good English speaker can see the following translation errors in the article, please leave a message, exchange and correct it .(:============================
Php object-oriented content
1. What is object-oriented?
Object-Oriented Programming (Object Oriented Programming, OOP, Object-Oriented Programming) is a computer Programming architecture, one basic principle of OOP is that a computer program is
In JavaScript, all objects except the five primitive types (numbers, strings, Boolean values, null, and undefined) are objects. Therefore, I don't know how to continue learning objects? This article will share with you the in-depth study and summary
ObjectiveIn this chapter, we are going to explain the 3rd S.O.L.I.D of the Five principles of JavaScript, the Richter replacement principle LSP (the Liskov Substitution Principle).English Original:
In the process of contact with JS, as the depth of understanding will gradually understand some of the more esoteric theories or knowledge,So today we will introduce the more difficult to understand prototype and constructor.Preliminary
In traditional class-based languages such as Java and C + +, the essence of inheritance is to extend an existing class and generate new subclass.Because such languages strictly differentiate between classes and instances, inheritance is actually an
Object orientedObjects: 1. Program structure describing the properties and functions of a specific thing in realityproperty of a thing becomes an Object's propertyHow the function of a thing becomes an object2. A piece of storage space in memory
Preface
In this chapter, we will explain 3rd of the Five Principles of s.o.l. I. d In JavaScript language implementation, and the principle of LSP (the liskov substitution principle ).
Object orientedObject-oriented is a kind of thought, can make complex problem simplification, let our character change from executor to conductor, do not know process, just know result. (All objects.) )To describe a thing is to describe the property
Today let's take a look at the new XML Processing Method in as3: E4X, until now, the ECMA scripting language specification (ECMA-262)-the core basis of ascriptscript 3.0, no XML data processing classes or methods are provided. The versions earlier
Deep Learning of JavaScript objects and deep learning of javascript
In JavaScript, all objects except the five primitive types (numbers, strings, Boolean values, null, and undefined) are objects. Therefore, I don't know how to continue learning
The Declaration form and function of the methodReturn value data type method name (formal parameter list){Execute the statement;return value;}---method is the behavior of an object---method is to define a separate applet that has a specific function
To put it simply, object-oriented in Lua
The table in Lua is an object that looks at the following simple code:
Copy Code code as follows:
Local TB1 = {A = 1, b = 2}
Local TB2 = {A = 1, b = 2}
Local TB3 = tb1
if tb1 = = Tb2
Creating an object can be done by means of an object literal:var stu = { name:"Zhang San", sayname:function() { Console.log ( This . Name); }However, we have to create more than one Stu object can not write the above code repeatedly
1,swift protocol is similar to the interface in other languages, the Protocol only makes the declaration of methods, including the method name, return value, parameters and other information, and no specific method implementation.Protocol person {
Enter strict mode by the format script shownThe main differences between strict and normal modes are as follows:1, does not support octal expression, such asvar n = 023;2. With keyword not supported3. Cannot delete the variable (only the object
ObjectiveToday's JavaScript is a great way to rely on a wide range of applications. Web programmers have become accustomed to using a variety of excellent JavaScript frameworks to quickly develop WEB applications, ignoring the learning and deep
Referring to constructors, we are not unfamiliar, in the object-oriented domain, the constructor is already a commonplace problem. Learning again in JavaScript really has a kind feeling. one, simple review
Reprint Please specify source: http://blog.csdn.net/tang9140/article/details/43982887
Introduction
A immutable characteristic
The nature of two connection symbols
Three equal judgments
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.