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I was hoping that this series of articles would provide insight into the implementation of the WPF property system and how the XAML compiler uses these dependency properties, and finally analyze the actual implementation code of the WPF property
Objective
Encapsulation is an essential concept in object-oriented programming paradigm, and in traditional object-oriented languages such as java,c++, private members are an important way to implement encapsulation. But in JavaScript, it is not in
Packagetest; Public classCar {Private intCarmoney;//Car Rental PrivateString Carname;//Car name Private intCarnumb;//Car Serial number Private intCarrynum;//Cargo Capacity Private intPassengernum;//number of passengers
1. What is a private propertyIn JavaScript code, there are no keywords that define attributes such as public/protected/private, but we can do this in a simulated way.There are only two types of properties in javascript:A common attributeA private
PHP public, protected, private three types of access control mode differences, Protectedprivate
PHP public, protected, private three types of access control mode differences
Public: Common Type
The public method or property can be called through
PHP public, protected, private three types of access control mode differencesPublic: Common TypeThe public method or property can be called through Self::var in a subclass, Parent::method calling the parent class methodA method or property in an
This article is to introduce the difference between the three of them in PhP5, the three of them are used in the class, but the properties are completely different.
Public: Common property or method
Can be called by Self::var or Self::method in a
This design document was written in March to attend the company's R & D summit. I was confident, but I was not shortlisted. Now I think it is useless, so I will post it and look forward to communicating with park friends.
The document is a little
As a friend of C + + has learned, when we define Struct/class, if we set the Access qualifier (public,protected,private) to public, then we can access the data members directly from the. Like what
In Test.h
class Test
{public
:
int i;
Conclusions
Single-element enumeration types have become the best way to implement singleton singleton patterns
Common Singleton have two ways, the first:
public class Elvis {
//is defined as final, immutable public
static final Elvis
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