what statics class

Polymorphic PackageCom.swift.jiekou; Public classJicheng_tuotai_jingtai_diaoyong { Public Static voidMain (string[] args) {Fu F=NewZi (); F.show (); }}classfu{Static intX=1; Public Static voidShow () {System.out.println ("Method of the parent

In PHP, there are two ways to access a class's methods/variables: 1. Create the object $object = new Class (), and then use the "-and" call: $object->attribute/function, provided the variable/method is accessible. 2. Call the class method/variable

The conversion between string variables and shaping is common in any programming language, and it is not possible to confuse a forced type conversion (int) like string, which is wrong, (string) int, such that the conversion between string variables

Static variable statics in PHP and Java Because static members are created when the class is first loaded, it is possible to use the class name to access static members that do not require objects outside of the class, and static members are

(i) Java static code block static method differencesIn general, if some code must be executed at the time of project startup, the use of static code blocks, the code is active, it needs to be initialized when the project is started, in the case of

Static: StaticsUsage: is a modifier used to decorate members (member variables and member functions)When a member is statically decorated, it is called by the class name, in addition to being called by the object.Invocation form: class name. static

First, Static classThe important difference between a static class and a non-static class is that a static class cannot be instantiated, that is, a variable of a static class type cannot be created with the New keyword. Using the static keyword when

In PHP, there are two ways to access a class's methods/variables: 1. Create the object $object = new Class (), and then use the "-and" call: $object->attribute/function, provided the variable/method is accessible. 2. Call the class method/variable

Package extend;public class X {Y y=new y ();static{System.out.println ("tttt");}X () {System.out.println ("X");}public static void Main (string[] args) {New Z ();}}Class y{Y () {System.out.println ("Y");}}Class Z extends x{Y y=new y ();static{SYSTEM.

Logitechyan static variables in C #C # Static variables are declared with the static modifier, created when the class is instantiated, accessing variables declared with the static modifier without a static variable called nonstatic variables,