how to access private variables from another class in java

VC ++ error C2248: "CObject: CObject": private Members cannot be accessed (declared in the "CObject" class), c2248cobjectThis error often occurs when you use classes such as CArray or CList. This error is caused There is an operation such as Add (). In this operation, a = operation is actually required, but this = operation is not implemented in the Custom class

class method can be called by all pairs, and can be called with the class name . class method or object name. class Method . Instance methods can only be called with object names. It is important to note, however, that class methods cannot invoke instance

Copy Code code as follows: Class Bar { Public Function test () { $this->testprivate (); $this->testpublic (); } Public Function Testpublic () { echo "bar::testpublic\n"; } Private Function Testprivate () { echo "bar::testprivate\n"; } } Class Foo extends Bar { Public Function Testpublic () { echo "foo::testpublic\n"; }

Method One: Define interface functions650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6F/BC/wKioL1WnJyihLe2OAAFnXpjbTkA757.jpg "title=" 44.png "alt=" Wkiol1wnjyihle2oaafnxpjbtka757.jpg "/>Method two: Using friend function650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6F/C1/wKiom1WnP3iC7XUFAAJovztv9kg818.jpg "title=" 443. PNG "alt=" wkiom1wnp3ic7xufaajovztv9kg818.jpg "/>This article is from the "Tomorrow Morning" blog, be sure to keep this source http://yhj51blog.blog.51cto

manipulated F1.set (P, "WFADF"); System.out.println (F1.get (P)); Catch (Exception e) { // TODO auto-generated catch block throw New runtimeexception (e); }Person Class Code Packagetest; Public classPerson {PrivateString name; Private intAge ; PublicPerson () {} PublicPerson (String name,intAge ) { This. Name =name; This. Age =Age ; } PublicString GetName () {retur

If you frequently access variables, you need to consider where to access them. Is the variable static, stack, or instance variable of the class? Does the storage location of a variable significantly affect the performance of the code that is accessed? For example, consider the following code:

0. IntroductionJava's access indicator, public,protected,private, can be used to decorate classes and methods by default.1. The scope is as followsPublic: Other classes can access this class or methodProtected: For inheritance, subclasses can access the method of the parent

Java access modifier (access control character)Java uses modifiers to control access and other features of classes, properties, and methods, usually at the very front of the statement. For example: public class ClassName {

There are four access modifiers in Java: public,protected,default,privateNote: This is about access to the properties and methods in the class, not the access rights of the class1.default: Package access rightsIf nothing is writte

Based on the overhead. All private methods in the class are implicitly specified as final. 3.Final modifier class. Defining a class as final indicates that the class cannot be inherited.Final fields can be selected or not final based on your wishes. The same rules apply to

Recently learned to inherit, from the book to see the subclass inherit the parent class, the subclass has all the parent class properties and methods, and then use the program to verify that the parent class's private properties and private methods, the subclass is inaccessible, of course, some of the parent's

The meaning of the access modifier in Java, public, private, PROTECTE, default, is explained:The most restrictive modifier in the Public:java language, commonly referred to as "public". Classes, properties, and methods that are modified by it are notCan be accessed only across classes, and across packages (package).The narrowest modifier for

This article illustrates the access method of class properties and static variables in PHP. Share to everyone for your reference, specific as follows: Run the result: Hello World For more information about PHP interested readers can view the site topics: "PHP object-oriented Programming Introductory Course", "PHP Mathematical Arithmetic Skills summary",