Searching for Enum Support Java information? Find all needed info by using official links provided below.
https://docs.oracle.com/javase/tutorial/java/javaOO/enum.html
Note: All enums implicitly extend java.lang.Enum. Because a class can only extend one parent (see Declaring Classes), the Java language does not support multiple inheritance of state (see Multiple Inheritance of State, Implementation, and Type), and therefore an enum cannot extend anything else.
https://www.w3schools.com/java/java_enums.asp
Java Enums. 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:
https://www.infoq.com/news/2017/01/java-enhanced-enums/
Java enums will be enhanced with generics support and with the ability to add methods to individual items, a new JEP shows. Since both features can be delivered with the same code change, they are bun
https://howtodoinjava.com/java/enum/enum-tutorial/
Java enum, also called Java enumeration type, is a type whose fields consist of a fixed set of constants. The very purpose of enum is to enforce compile time type safety. enum keyword is reserved keyword in Java. We should use enum when we know all possible values of a variable at compile time or ...
https://www.javatpoint.com/enum-in-java
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. Enums can be thought of as classes that have fixed set of constants.
https://crunchify.com/why-and-for-what-should-i-use-enum-java-enum-examples/
Some very important points on Java Enum: Point-1. All enums implicitly extend java.lang.Enum.Since Java does not support multiple inheritance, an enum cannot extend anything else.. Point-2. Enum in Java are type-safe: Enum has there own name-space. It means your enum will have a type for example “Company” in below example and you can not assign any value other than specified in Enum Constants.
https://stackoverflow.com/questions/2493002/how-to-create-a-static-enum-with-a-value-that-has-a-hyphen-symbol-in-java
How to create a static enum with a value that has a hyphen symbol in Java? Ask Question Asked 9 years, 8 months ago. Active 8 months ago. Viewed 16k times 9. 2. how to create the static enum like below ... Enum constants must be legal Java identifiers. Legal Java identifiers can not contain -.
https://www.mindprod.com/jgloss/enum.html
enum Java version 1.5 or later has built-in support for enumerated types. Prior to that you had to kludge them in some way with static final int s (which were not typesafe) or with Object s which would not work in switch statements.
https://alvinalexander.com/java/using-java-enum-switch-tutorial
Java enum FAQ: Can you share a Java enum switch example, i.e., how to use an enum with a Java switch statement? In my earlier Java enum examples tutorial, I demonstrated how to declare a simple Java enum, and then how to use an enum with a variety of Java constructs, including a Java switch statement, a for loop, and an if/then statement.
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