Any number of constants could be specified inside the class separated by comma. Each Enum constant is implicitly an Object of type <enum_class_name>. Following is an example of defining a Kotlin Enum class “Mo
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...
enum class Generator Summary Type-safe source-generated alternative to C# enum inspired by Kotlin enum class What is it? This library contains source generator that creates class for specified enum. These classes contain similar functionality as original enum, but behave as ordinal class Getting start...
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 ...
设置字段值时，ENUM类型只允许从成员中选取单个值，不能一次选取多个值。 其所需要的存储空间由定义ENUM...
Enumeration is a specific type of class; a variable of a given enum type is limited to a set of predefined constants—those that have been defined by the type. To define an enumeration, you could use enum class keywords, as in the following example where we create a type for all the ...
As usual, let’s understand the problem through an example. Suppose we have an enum class representing different programming languages: enum class Language(val description: String) { KOTLIN("Kotlin_is_awesome"), JAVA("Java_is_great"), GO("Go_is_nice") } As the Language enum shows, it...
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: assertEquals(ONE, BaeldungNumber.valueOf("ONE"))Copy ...
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、MathTest、SomeTest、ExampleSuite在前面的例子中已经为大家介绍了,这里我们主要说明整个程序是如何运行的? android界面程序如下: public class JUnit...上? Android SDK为我们提供了Handler,通过Handler与一个线程的消息队列相关联,发送和处理信息。在这个例子中使用了Activity类的runOnUiThread (Runnable智能...