IllegalFormatException (Java SE 12 & JDK 12 )
Keywords: java.util.IllegalFormatException class

Module java.base
Package java.util

## Class IllegalFormatException

- java.lang.Object
- - java.lang.Throwable
  - - java.lang.Exception
    - - java.lang.RuntimeException
      - - java.lang.IllegalArgumentException
        - - java.util.IllegalFormatException

- All Implemented Interfaces:
    `Serializable`
  Direct Known Subclasses:
    `DuplicateFormatFlagsException`, `FormatFlagsConversionMismatchException`, `IllegalFormatCodePointException`, `IllegalFormatConversionException`, `IllegalFormatFlagsException`, `IllegalFormatPrecisionException`, `IllegalFormatWidthException`, `MissingFormatArgumentException`, `MissingFormatWidthException`, `UnknownFormatConversionException`, `UnknownFormatFlagsException`

      public class IllegalFormatException
      extends IllegalArgumentException

  Unchecked exception thrown when a format string contains an illegal syntax or a format specifier that is incompatible with the given arguments. Only explicit subtypes of this exception which correspond to specific errors should be instantiated.
  Since:
    1.5
  See Also:
    Serialized Form

- - ### Method Summary

    - ### Methods declared in class java.lang.Throwable

      `addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

    - ### Methods declared in class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`