In the Kotlin language, there’s more than one way to achieve this. In this tutorial, we’ll take a look at the two most commonly used class types for such use cases: the sealed class and the enum class. 2. Sea
Enumerations inKotlinare data types that hold a set of constants. Enums are defined by adding the modifierenumin front of aclassas shown below. Yes, in Kotlin,Enums are classes. Kotlin中的枚举是保存一组常量的数据类型。 枚举是通过将改性剂定义enum在前面类,如下所示。 是的,在Kotlin中,枚举...
Kotlin Enum – Enum is a special data type that allows a variable to hold a value only from a set of predefined constants. In this tutorial, we shall learn about Kotlin Enum Class : Syntax, Initialization, how enum classes are different from regular classes. An example program is provided ...
println(Color.GREEN)//GREEN} Or give enum a value: enumclassColor { RED(0xFF0000), GREEN(0x00FF00), BLUE(0x0000FF) } Give a method: enumclassColor(val rgb: Int) { RED(0xFF0000), GREEN(0x00FF00), BLUE(0x0000FF);//need ; split enum and funfun containRed() {returnthis.rgb ...
Kotlin——最详细的类(calss)详解 目录 一、枚举类 1.1、声明方式及枚举常量 关键字:enum 枚举常量:即枚举类下的对象,每个枚举类包含0个到多个枚举常量。 1.1.1、声明 enum关键字在类头中的class关键字前面 声明格式: enum class 类名{ ... } 1.1.2、枚举常量 枚举类中的每一个枚举常量都是一个对象,并...
3. Using Enum Class’svalueOf()Function In Kotlin, each enum class has avalueOf()function. ThevalueOf()function is exactly what we’re looking for, as it allows us toget an enum constant by its name. For example, this test passes: ...
问EnumClass.values()在Kotlin中是如何工作的？ENEnumClass.values()在Kotlin中是如何工作的？虽然不是...
Enum Classes: A special class in Kotlin that represents a fixed set of constant values. Data Classes: Kotlin classes that automatically generate useful functions like toString(), equals(), and hashCode(). Class Properties: Understanding how to define properties inside a Kotlin class. Printing to ...
kotlin枚举类enum class 2019-06-04 14:15 −... 谢光伟 0 3013 24 枚举Enum类 2019-12-02 15:43 −引用声明:部分内容来自文章:http://c.biancheng.net/view/1100.html 枚举Enum类是java.lang下的一个类。 枚举的命名规范 枚举名:大驼峰 枚举值:全大写,下划线分割 枚举的声明 enum-modifiers enum en...
One big difference in Kotlin is that enums are made by creating an enum class. You get a number of interesting pieces of functionality that enums in other languages don’t necessarily have. As you work through this chapter, you’ll learn about some of the most commonly-used bits of ...