EnumConstantNotPresentException (Java SE 26 & JDK 26)
Description: declaration: module: java.base, package: java.lang, class: EnumConstantNotPresentException
Keywords: java.lang.EnumConstantNotPresentException class

# Class EnumConstantNotPresentException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
java.lang.EnumConstantNotPresentException

All Implemented Interfaces:
  `Serializable`

public class EnumConstantNotPresentException extends RuntimeException
Thrown when an application tries to access an enum constant by name and the enum type contains no constant with the specified name. This exception can be thrown by the API used to read annotations reflectively.

Since:
  1.5
See Also:
  - `AnnotatedElement`
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `EnumConstantNotPresentException(Class<? extends Enum> enumType, String constantName)`
  Constructs an `EnumConstantNotPresentException` for the specified constant.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `String`
  `constantName()`
  Returns the name of the missing enum constant.
  `Class<? extends Enum>`
  `enumType()`
  Returns the type of the missing enum constant.

  ### Methods declared in class Throwable

  `addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`
  Modifier and Type
  Method
  Description
  `final void`
  `addSuppressed(Throwable exception)`
  Appends the specified exception to the exceptions that were suppressed in order to deliver this exception.
  `Throwable`
  `fillInStackTrace()`
  Fills in the execution stack trace.
  `Throwable`
  `getCause()`
  Returns the cause of this throwable or `null` if the cause is nonexistent or unknown.
  `String`
  `getLocalizedMessage()`
  Creates a localized description of this throwable.
  `String`
  `getMessage()`
  Returns the detail message string of this throwable.
  `StackTraceElement[]`
  `getStackTrace()`
  Provides programmatic access to the stack trace information printed by `Throwable.printStackTrace()`.
  `final Throwable[]`
  `getSuppressed()`
  Returns an array containing all of the exceptions that were suppressed, typically by the `try`-with-resources statement, in order to deliver this exception.
  `Throwable`
  `initCause(Throwable cause)`
  Initializes the cause of this throwable to the specified value.
  `void`
  `printStackTrace()`
  Prints this throwable and its backtrace to the standard error stream.
  `void`
  `printStackTrace(PrintStream s)`
  Prints this throwable and its backtrace to the specified print stream.
  `void`
  `printStackTrace(PrintWriter s)`
  Prints this throwable and its backtrace to the specified print writer.
  `void`
  `setStackTrace(StackTraceElement[] stackTrace)`
  Sets the stack trace elements that will be returned by `Throwable.getStackTrace()` and printed by `Throwable.printStackTrace()` and related methods.
  `String`
  `toString()`
  Returns a short description of this throwable.

  ### Methods declared in class Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`
  Modifier and Type
  Method
  Description
  `protected Object`
  `clone()`
  Creates and returns a copy of this object.
  `boolean`
  `equals(Object obj)`
  Indicates whether some other object is "equal to" this one.
  `protected void`
  `finalize()`
  Deprecated, for removal: This API element is subject to removal in a future version.
  Finalization is deprecated and subject to removal in a future release.
  `final Class<?>`
  `getClass()`
  Returns the runtime class of this `Object`.
  `int`
  `hashCode()`
  Returns a hash code value for this object.
  `final void`
  `notify()`
  Wakes up a single thread that is waiting on this object's monitor.
  `final void`
  `notifyAll()`
  Wakes up all threads that are waiting on this object's monitor.
  `final void`
  `wait()`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
  `final void`
  `wait(long timeoutMillis)`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
  `final void`
  `wait(long timeoutMillis, int nanos)`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

- ## Constructor Details

  - ### EnumConstantNotPresentException

    public EnumConstantNotPresentException(Class<? extends Enum> enumType, String constantName)
    Constructs an `EnumConstantNotPresentException` for the specified constant.
    Parameters:
      `enumType` - the type of the missing enum constant
      `constantName` - the name of the missing enum constant

- ## Method Details

  - ### enumType

    public Class<? extends Enum> enumType()
    Returns the type of the missing enum constant.
    Returns:
      the type of the missing enum constant

  - ### constantName

    public String constantName()
    Returns the name of the missing enum constant.
    Returns:
      the name of the missing enum constant