This tutorial introduces how to overload the protected method after the subclass inherits the parent class to Improve the access permission to the public method. If you need this method, try it.
A car company has a new car on the market, but the
Access decoration into similar bun class otherPrivate True false falseDefault (friendly) True false falseProtected true True True FalsePublic true to True true TrueOverload: Method name is the same, parameter list (parameter data type, number, etc.)
A car company has a new car on the market, but the company requires that the car must be driven by internal staff, that's it. The code is as follows:Copy code Public class NewCar {Protected void drive (){// Drive the car }} However, if you say
Summary:Within a class, its members (including member variables and member methods) can be interviewed by other classes, depending on the modifier of that member, and whether a class can be visited by other classes depends on the class's modifiers.
In fact, this is simply a saying: "A subclass that is not in the same package as the base class can only access protected members inherited from the base class, you cannot access the protected members of the base-class instance ".
Original works
2017-11-04 22:28:39
Permission to access the permission modifier
Access modifier protected Permissions Understanding
In core Java there is a phrase " in the object class, the Clone method is declared as protected, so
First of all, I would like to state that inheritance, encapsulation, polymorphism is not produced for java,c# or some other language, it is the concept of object-oriented ideas produced.Let me say, I can only use three words to describe (do not know
Objective
Recently developed a project, because the project in the entire development process in a hurry state (almost every project), so the project in the closing phase of the discovery of the lack of logging system log function, the previous
Guarded schema for suspension modeThe Core is a protected method (guarded). The method needs to perform the operation it wants to perform exactly when it needs to meet a specific condition (predicate, hereinafter referred to as a protection
Section 8-access method PHP5 allows access to class members to be restricted. this is a new feature in PHP5, but it already exists in many object-oriented languages. with access, you can develop a reliable object-oriented application and build
/* +-------------------------------------------------------------------------------+ | = This is haohappy read
> | = Notes in Classes and objects Chapter | = Translation-based + personal experience | = Please do not reprint in order to avoid the
Section Eighth-access modePHP5 access allows you to restrict access to class members. This is a new feature in PHP5, but it already exists in many object-oriented languages. With access, you can develop a reliable object-oriented application and
PHP5 access allows you to restrict access to class members. This is a new feature in PHP5, but it already exists in many object-oriented languages. With access, you can develop a reliable object-oriented application and build a reusable
PHP5 access allows you to restrict access to class members. This is a new feature in PHP5, but it already exists in many object-oriented languages. With access, you can develop a reliable object-oriented application and build a reusable
Section 8-access methods
PhP5 allows you to restrict access to class members. this is a new feature in PhP5, but it already exists in many object-oriented languages. with access, you can develop a reliable Object-oriented Application and build
PHP5 access allows you to restrict access to class members. This is a new feature in PHP5, but it already exists in many object-oriented languages. With access, you can develop a reliable object-oriented application and build a reusable
/*
+ ------------------------------------------------------------------------------- +
| = Read this article for Haohappy
| = Notes in the Classes and Objects chapter
| = Translation-oriented + personal experiences
| = Do not repost it to avoid
PHP5 allows you to restrict access to class members. this is a new feature in PHP5, but it already exists in many object-oriented languages. with access, you can develop a reliable Object-oriented Application and build reusable object-oriented class
The access method and permissions of class members. PHP5 allows you to restrict access to class members. this is a new feature in PHP5, but it already exists in many object-oriented languages. with the access method, you can develop a reliable PHP5
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