valueOf. Returns the enum constant of the specified enum type with the specified name. The name must match exactly an identifier used to declare an enum constant in this type.

What does enum valueOf return?

valueOf. Returns the enum constant of the specified enum type with the specified name. The name must match exactly an identifier used to declare an enum constant in this type.

Can enum values be changed?

Enum constants are implicitly static and final and you can not change their value once created. Enum in Java provides type-safety and can be used inside switch statements like int variables.

Can enum values be compared?

There are two ways for making comparison of enum members : equals method uses == operator internally to check if two enum are equal. This means, You can compare Enum using both == and equals method.

Is valueOf case-sensitive?

valueOf method is case-sensitive and invalid String will result in IllegalArgumentException.

Can enum implement interface?

Yes, Enum implements an interface in Java, it can be useful when we need to implement some business logic that is tightly coupled with a discriminatory property of a given object or class.

Can enum extend another enum?

No, we cannot extend an enum in Java. Java enums can extend java. lang. Enum class implicitly, so enum types cannot extend another class.

How do you equate an enum?

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 does enum value compare to String?

For comparing String to Enum type you should convert enum to string and then compare them. For that you can use toString() method or name() method. toString()- Returns the name of this enum constant, as contained in the declaration.

How do you make an enum case insensitive?

String to Enum Ignore Case To lookup an enum by string ignoring the case, you can add a static method to the enum class and use it as shown. No exceptions are thrown by this code.