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An enum is a special "class" that represents a group of constants (unchangeable variables, like final variables). To create an enum, use the enum keyword (instead of class or interface), and separate the constants with a comma. Note that they should be in uppercase letters:
- Java User Input
Java User Input. The Scanner class is used to get user...
- Java User Input
4 paź 2024 · Learn how to declare, use, and manipulate enums in Java, a class type that represents a group of named constants. See examples of enum properties, methods, constructors, switch statements, and inheritance.
5 sty 2024 · A quick and practical guide to the use of the Java Enum implementation, what it is, what problems it solves and how it can be used to implement commonly used design patterns.
An enum type is a special data type that enables for a variable to be a set of predefined constants. The variable must be equal to one of the values that have been predefined for it. Common examples include compass directions (values of NORTH, SOUTH, EAST, and WEST) and the days of the week.
Java Enum is a data type which contains fixed set of constants. It can be used for days of the week (SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY and SATURDAY) , directions (NORTH, SOUTH, EAST and WEST) etc. The enum constants are static and final implicitely. It is available from Java 5.
In Java, an enum (short for enumeration) is a type that has a fixed set of constant values. We use the enum keyword to declare enums. For example, enum Size { SMALL, MEDIUM, LARGE, EXTRALARGE } Here, we have created an enum named Size. It contains fixed values SMALL, MEDIUM, LARGE, and EXTRALARGE.
Enums are classes that have a fixed set of constants. Learn how to declare, access, compare, and extend enums, and how to use them as singletons or with abstract methods.
