Java中Enum、EnumMap、EnumSet使用示例 原文地址:https://examples.javacodegeeks.com/java-basics/java-enumeration-example/ ===原文讲解也是比较细致,大略观之,以快图之。=== 1.Enum示例 Day.java publicenumDay{ SUNDAY(1), MONDAY(2), TUESDAY(3), WEDNESDAY(4), THURSDAY(5), FRIDAY(6), SATURDAY(7...
原文地址:https://examples.javacodegeeks.com/java-basics/java-enumeration-example/ ===原文讲解也是比较细致,大略观之,以快图之。=== 1.Enum示例 Day.java public enum Day { SUNDAY(1), MONDAY(2), TUESDAY(3), WEDNESDAY(4), THURSDAY(5), FRIDAY(6), SATURDAY(7) private int value; // 私有...
We can declareabstract methods in javaenum, then all the enum fields must implement the abstract method. In above examplegetDetail()is the abstract method and all the enum fields have implemented it. We can define a method in enum and enum fields can override them too. For example,toString(...
Enumerations serve the purpose of representing a group of named constants in a programming language. For example, the 4 suits in a deck of playing cards may be 4 enumerators named Club, Diamond, Heart, and Spade, belonging to an enumerated type named Suit. Other examples include natural enume...
Examples Example 1: Basic Enum enumDay{SUNDAY,MONDAY,TUESDAY,WEDNESDAY,THURSDAY,FRIDAY,SATURDAY;}publicclassEnumExample{publicstaticvoidmain(String[]args){Day today=Day.MONDAY;System.out.println("Today is: "+today);}} In this example, an enumDayis defined with constants representing the days of...
implement interfaces. This allows enums to enforce a contract defined by an interface, ensuring consistent behavior across different enum constants. This article explores how interfaces can be utilized with Java enums, providing detailed examples and explanations to illustrate their practical applications....
Java Enum Constructor and Methods (with Examples) Java enum example. The purpose of enum is to enforce compile time type safety. Learn enum constructors, methods, inheritance, EnumMap and EnumSet etc.
By the way, this is not our first tutorial on Java Enum where we have explained a key feature, we have also ready covered some important features on Enum in our previous examples like Java Enum Switch Example explains that you can use enum constants inside switch block. Similarly, Java Enum...
An enum is a special type of data type which is basically a collection (set) of constants. In this tutorial we will learn how to use enums in Java and what are the possible scenarios where we can use them. This is how we define Enum public enum Direction
EnumMap equals() Method in Java with Examples Java 中的 Java.util.EnumMap.equals(obj) 用于将传递的对象与此 EnumMap 进行比较是否相等。必须记住,传递的对象必须是与 EnumMap.Syntax 相同类型的映射: booleanequals(Objectobj) 参数:该方法接受一个Object类型的参数obj,并引用要与该地图进行比较的地图。返回...