what enum

Original: http://z515256164.blog.163.com/blog/static/32443029201192182854300/Have changedC-language explanation-enum typeNote: The following all code execution Environment is VC + + 6.0In a program, you might need to define an alias for some

C # Idioms:enum or enum class (enum Class) Marshine (Original composition format: http://www.marshine.com) Reversion:2004/5/28 Modification Note: Thanks to the CLS compatibility issue mentioned by Ninputer, while modifying the Equals rewrite not

Java hidden box operation-enum and hidden box operation enum Enum, which is an enumeration type, has a similar type in each programming language. Because it is rarely used, every time I see enum, it will be daunting, because its syntax is really

Concept enum, called enumeration, is the new feature introduced in JDK 1.5. In Java, enum types that are decorated by keywords are enumerated types. The form is as follows: Enum Color {RED, GREEN, BLUE} If the enumeration does not

Enumeration Learning:Enum Weekday{sun,mon,tue,wed,thu,fri,sat};Enum weekday day;can also be:Enum Weekday{sun,mon,tue,wed,thu,fri,sat} day;If you have an assignment statement:Day=mon;The day variable has a value of 1. Enum Weekday{sun=7,mon=1,tue,wed,

When I recently discussed the issue with my colleagues, my colleague suddenly mentioned why the constant values defined in Java do not take the ENMU enumeration type and are defined by the public final static type. We used to be defined in this way,

Java Enumeration type enumEnumeration syntax1. Enum is called enumeration, which is commonly known as enumeration class in Chinese. People who have studied C/C ++ or other languages should have a slight knowledge of it.But it is introduced in the

  The enum enum type of Java finally appeared in j2se1.5. Before thought it was just a chicken, dispensable. After all these years, without it, don't everyone have a good one? Today, "Thinking in Java" 4th edition, there is a sentence "sometimes

Q: In C #, how do we express enumeration types? A: You can use the enum keyword (keyword) to declare an enumeration type (enum type ): // Code #01   public enum Alignment   {       Left,       Center,       Right   }   ------------

Simple IntroductionEnum types in Java are defined by the keyword enum, a new type from jdk1.5, and all enum types inherit from the enum type. To understand enumeration types, we recommend that you first open the enum class in the JDK and simply read

Enum, which is an enumeration type, has a similar type in each programming language.Because of the use of less, every time I see an enum will be daunting, because its grammar is really "do not press the regular card" Ah!　　The general enum syntax is

1. Application of Enum, including definition, traversal, switch, enumset, enummap, etc. Import Java. util. enummap; import Java. util. enumset; public class enumtest {// defines an Enum Enumeration type, including two instances on, off public Enum

Before JDK1.5, we defined constants: public static fianl ..... Now, with enumerations, you can group related constants into an enumeration type, and enumerations provide more methods than constants.public enum Color { RED, GREEN, BLANK, YELLOW

Ref:http://www.cnblogs.com/happypawpaw/archive/2013/04/09/3009553.htmlUsage One: ConstantsBefore JDK1.5, we defined constants: public static fianl ..... Now, with enumerations, you can group related constants into an enumeration type, and

Usage One: ConstantsBefore JDK1.5, we defined constants: public static fianl ..... Now, with enumerations, you can group related constants into an enumeration type, and enumerations provide more methods than constants.public enum Color { RED,

Question, why do constants need to be defined with an enum instead of final to define a member variable or define a constant in interface?First to understand what an enum class is: The Enum class is a class in the Java.lang package, which is the

Usage One: ConstantsBefore JDK1.5, we defined constants: public static fianl ..... Now, with enumerations, you can group related constants into an enumeration type, and enumerations provide more methods than constants.public enum Color { RED,

Usage One: ConstantsBefore JDK1.5, we defined constants: public static fianl ..... Now, with enumerations, you can group related constants into an enumeration type, and enumerations provide more methods than constants.public enum Color { RED,

Usage One: ConstantsBefore JDK1.5, we defined constants: public static fianl ..... Now, with enumerations, you can group related constants into an enumeration type, and enumerations provide more methods than constants.public enum Color { RED,

Usage One: ConstantsBefore JDK1.5, we defined constants: public static fianl ..... Now, with enumerations, you can group related constants into an enumeration type, and enumerations provide more methods than constants.public enum Color { RED,