{"id":201608,"date":"2024-12-02T08:35:40","date_gmt":"2024-12-02T08:35:40","guid":{"rendered":"https:\/\/namso-gen.co\/blog\/how-to-check-enum-value-in-java\/"},"modified":"2024-12-02T08:35:40","modified_gmt":"2024-12-02T08:35:40","slug":"how-to-check-enum-value-in-java","status":"publish","type":"post","link":"https:\/\/namso-gen.co\/blog\/how-to-check-enum-value-in-java\/","title":{"rendered":"How to check enum value in Java?"},"content":{"rendered":"

In Java, enums are a convenient way to define a set of named constants. You can use enums to represent a fixed set of values, such as days of the week or months of the year. If you want to check whether a certain value is present in an enum, you can use the `valueOf()` method provided by the Enum class. This method takes a string as an argument and returns the corresponding enum constant if it exists.<\/p>\n

“`java
\npublic enum Days {
\n MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY
\n}<\/p>\n

public class Main {
\n public static void main(String[] args) {
\n String inputValue = “MONDAY”;
\n try {
\n Days day = Days.valueOf(inputValue);
\n System.out.println(day + ” is a valid enum constant.”);
\n } catch (IllegalArgumentException e) {
\n System.out.println(inputValue + ” is not a valid enum constant.”);
\n }
\n }
\n}
\n“`<\/p>\n

In this example, we have an enum class `Days` that represents the days of the week. We use the `valueOf()` method to check if the input value `MONDAY` is a valid enum constant. If the input value is not found in the enum, an `IllegalArgumentException` is thrown.<\/p>\n

\n
\n

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