UnsupportedOperationException class

Thrown to indicate that a requested operation is not supported.

This exception extends RuntimeException and is typically used when a method or feature is not implemented or intentionally unsupported.

Example

throw UnsupportedOperationException('Removing items is not supported.');

Optionally, a cause can be passed to provide the underlying reason:

throw UnsupportedOperationException(
  'Serialization not supported',
  cause: Exception('Missing serializer'),
);
Inheritance
Available extensions

Constructors

UnsupportedOperationException(String message, {Object? cause})
Thrown to indicate that a requested operation is not supported.

Properties

cause Object?
The underlying cause of this exception, if any.
finalinherited
hashCode int
The hash code for this object.
no setterinherited
message String
The message describing the error.
finalinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
stackTrace StackTrace
The associated stack trace.
finalinherited

Methods

getCause() Object
The cause of this exception, if any.
inherited
getMessage() String
The message associated with this exception.
inherited
getStackTrace() StackTrace
The stack trace associated with this exception.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
printStackTrace([bool useErrorPrint = false]) → void

Available on Error, provided by the ErrorExtensions extension

Prints the error along with its stack trace.
printStackTrace([StackTrace? stacktrace, bool useErrorPrint = false]) → void

Available on Exception, provided by the ExceptionExtensions extension

Prints the exception and optional StackTrace if available.
printStackTrace([bool useErrorPrint = false]) → void

Available on RuntimeException, provided by the RuntimeExceptionExtensions extension

Extension on RuntimeException to support pretty stack trace printing.
printStackTrace([bool useErrorPrint = false]) → void

Available on Throwable, provided by the ThrowableExtensions extension

Extension on Throwable to support printing stack traces in a unified way.
toString() String
A string representation of this object.
override

Operators

operator ==(Object other) bool
The equality operator.
inherited