private variable

IntroI warmly invite you to speculate on the output of the following program: Class A (object): Def __init__ (self): Self.__private () Self.public ( def __private (self): print ' A.__private () ' Def public (self): print ' A.public () ' Class B (A):

In Andriod development, a large part of the resources to deal with, such as: pictures, layout files, strings, styles and so on. This is a great difficulty for us to develop some common components, because common components may be more likely to be

Inside class, you can have properties and methods, and external code can manipulate the data by invoking the instance variable directly, thus hiding the complex logic inside.However, from the previous definition of the student class, the external

Custom Control example Visual C #. NET provides the ability to create powerful custom controls through "inheritance. If you want to extend the functions of an existing control, you can inherit to create the control exported from the existing

Implementing the encapsulation of a classTo achieve good encapsulation, we usually declare the member variable of the class as private, and then access the variable through public methods. For the operation of a variable, there are generally read

Source: http://blog.csdn.net/nilxin/article/details/1613574 Special methods in the class Generally, special methods are used to imitate a behavior. For example, if you want to use index operations such as X [Key] for your class (just like the list

In-depth understanding of the JavaScript series (21): Five Principles of S.O.L. I. D: interface isolation principle ISP explanation, five principles of s. o. l. I. d Preface In this chapter, we will explain 4th of The five principles S.O.L. I. D

The first time I wrote the jQuery plug-in. I don't feel like writing anything. JQuery. fn is used to write jQuery plug-ins. For example Copy codeThe Code is as follows: jQuery. fn. pluginName = function (){}; This is the paging plug-in I wrote. The

Example: public student {private string name; // private variable. private int age cannot be accessed externally; // Private variable public string Name // The Name here can be used as a special variable to understand {set {name = value;} // you

In Python, the name of an uppercase letter refers to a class. The parentheses in this class definition are empty, because we want to create this class from whitespace. We have written a document string describing the functionality of this class. A

Forwarding: Blog Park programming Little WengOC is a run-time language that determines the type of an object only when the program is running, and invokes methods corresponding to the object of the class. The runtime mechanism allows us to

Using modules Python itself contains many very useful modules that can be used immediately as soon as the installation is complete.Our built-in sys module, for example, writes a Hello module:' A test module ' # A string represents a document

Clause 03: Use const whenever possible Use const whenever possible. Const allows you to tell the compiler and other programmers that a value should remain unchanged. If the keyword const appears on the left of the asterisk, it indicates that the

The first time I wrote the jQuery plug-in. I don't feel like writing anything. JQuery. fn is used to write jQuery plug-ins. For exampleCopy codeThe Code is as follows:JQuery. fn. pluginName = function (){}; This is the paging plug-in I wrote. The

VariablePrivate variables:If you want the internal properties to be outside access, you can add the name of the property with two underscores __ , in Python, the variable name of the instance is changed to __ a private variable (private), which can

05 object-oriented basics, 05 object-oriented I would like to sum up my study notes over the past two days. I hope I can better learn new things.   1. object-oriented conceptsObject-oriented features: encapsulation, inheritance, and Polymorphism   2.

// Frog recommendation: demonstrate Index indicator usage (C #)// This example shows the number of vertices in a continuous natural number. In addition to 1, the prime number can be divisible by 1 and cannot be divisible by others.// Sorry, when I

Inheritance, encapsulation, polymorphism, abstraction is the four basic concepts of object-oriented programming, in which encapsulation is important, because from the beginning of learning Java, we basically touch the encapsulation, because all the

In contrast to other programming languages, the Python class mechanism adds classes with at least the new syntax and semantics. It is a hybrid of the class mechanism found in C + + and Modula-3. The Python class provides all the standard features of

1. Process-oriented programmingIn the order of functions as units, a set of functions are executed#Process orientedlang1={'name':'C + +','score':'9.0'}lang2={'name':'Python','score':'8.5'}deflanginfo (lang):Print '%s:%s'% (lang["name"],lang["score"])