Does switch work with enums?

Does switch work with enums?

You definitely can switch on enums. An example posted from the Java tutorials. You actually can switch on enum s, but you can’t switch on String s until Java 7. You might consider using polymorphic method dispatch with Java enum s rather than an explicit switch .

Does Java enum have toString?

The Java Enum has two methods that retrieve that value of an enum constant, name() and . toString(). The toString() method calls the name() method which returns the string representation of the enum constant.

Can you override enum valueof?

Since you cannot override valueOf method you have to define a custom method ( getEnum in the sample code below) which returns the value that you need and change your client to use this method instead.

How do you compare enums in Java?

We can compare enum variables using the following ways.

1. Using Enum. compareTo() method. compareTo() method compares this enum with the specified object for order.
2. Using Enum. equals() method.
3. Using == operator. The == operator checks the type and makes a null-safe comparison of the same type of enum constants.

How do you use enums on a switch?

How to use Java enums in switch statements

1. enum constants are public, static, and final by default.
2. enum constants are accessed using dot syntax.
3. An enum class can have attributes and methods, in addition to constants.
4. You cannot create objects of an enum class, and it cannot extend other classes.

What does name () do in Java?

Java Enum name() Method The name() method of Enum class returns the name of this enum constant same as declared in its enum declaration. The toString() method is mostly used by programmers as it might return a more easy to use name as compared to the name() method.

What does enum toString return in Java?

Description. The java. lang. Enum. toString() method returns the name of this enum constant, as contained in the declaration.

Can we override toString in enum Java?

Java Enum toString() Method The toString() method of Enum class returns the name of this enum constant, as the declaration contains. The toString() method can be overridden, although it’s not essential.