what enum

C # enum,int,string The reciprocal conversion enum provides a base class for enumerations whose underlying type can be any integral type except Char. If you do not explicitly declare an underlying type, use Int32. Programming languages typically

Example: VB:EnumColorsRedGreenBlueYellowEnd Enum C #:EnumClassColors {red, green, blue, yellow }; 1. Obtain the array of common values in the enumeration. VB:ForEachIIn[Enum]. getvalues (GetType(Coors ))Console. writeline (I)NextI C #:For

Foreach ( String S In Enum. getnames ( Typeof (Wallkind ))) { Winformtools. msgbox (s ); } Someone asked how to traverse the enumeration in revit API. traversing enumeration is the syntax function of C. From msdn Enumeration can be used to store

Java enum enumeration usage, javaenum Enumeration 1. Background: Before JDK1.5, we define constants as follows: public static final String RED = "RED "; When the enumeration type is added to JDK, We can group related constants into one enumeration

For something that you want to represent a finite kind of thing in a program, generally we can do it in two ways: public static final String constant, and second, using Enum to represent. In general, the former is simple, but not very good to

Java1.5 is not enumerated before, if you want to use an enumeration-like attribute, that is, when you need to use a constant, you can do so by the following code:Constants in Java are defined as:Public class Sex2 { public staticfinalintGIRL = 1;

Reprint: Java Enumeration (enum) detailed 7 common usagehttp://blog.csdn.net/qq_27093465/article/details/52180865 JDK1.5 introduces a new type--enumeration. In Java it is a "small" function, but to my development has brought "big" convenience. usage

enum+ polymorphic, I did not say wrong, but Enum is not can be inherited, also can not inherit from others, just can realize interface, what talk about polymorphism?But let's look at the phenomenon first: Java code public enum Fruit {APPLE,

An enum is an enumeration type, which in effect defines a set of values, and the value of the enum definition data type can only be one of this set of values.In real life, a lot of problems are related to this. There are only two men and women in

Enumeration is a common feature to look at the Python enumeration. from enumImport Enummonth= Enum ('Month', ('Jan','Feb','Mar','APR',' May','June','Jul',' the','Sep','Oct','Nov','Dec'))Definition of enumeration First, define the

Enumeration definition:An enum is a data type in a computer programming language. Enumeration types: In real-world problems, some variables are scoped to a limited range . For example, there are only seven days in one weeks, 12 months in a year, six

Official documentation indicates that Android development should avoid using enums (enum classes) because it takes more than twice times more memory than a static const enum. Ginseng

C language Enum keyword Many beginners are confused about enumeration (Enum) or think it is useless. In fact, enumeration (Enum) is a very useful data type. I. Usage of enumeration types The general definition is as follows:Enum

ArticleDirectory 3. Obtain the attribute In WPF, enumerate and bind to itemssource. 1. Get the enum data source through objectdataprovider First, we define an Enum class: Public EnumTableselectedtype { Selectedone,  

JAVA enum Enumeration type, javaenum Enumeration type 1. Definitions of enumeration types: 1) The Enumeration type can be a separate class file. /** * This enum is declared in the Season.java file.*/public enum Season { WINTER, SPRING,

Enum provides the base class for enumerations, whichbase TypeCan be any integral type except Char. If you do not explicitly declare an underlying type, use Int32. Programming languages typically provide syntax to declare enumerations that consist of

3.7 Enum TypesIn addition to the numerical data and text data we introduced before, in the real world, often encounter such a kind of data: a single choice of answer can only be a, B, C, D four one of the options; the color of the traffic lights can

Vc,c++An enumeration of type enum lengths between builder and LCC three compilers. Various C compiler default byte alignment number is inconsistent, to write common code, often is to use#pragmaPack (1) ...#pragmaPack ()causes the compiler to align

An enum provides a base class for enumerations whose underlying type can be any integral type other than Char. If the underlying type is not explicitly declared, the Int32 is used. Programming languages often provide syntax to declare enumerations

Enum An enum is a concept introduced by jdk1.5. The value of the enum type is actually represented by the object constructed at run time. When defining an enum, the compiler will do something for us by default: All enum