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

Module java.base
Package java.util

## Class MissingFormatWidthException

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

- All Implemented Interfaces:
    `Serializable`

      public class MissingFormatWidthException
      extends IllegalFormatException

  Unchecked exception thrown when the format width is required.

  Unless otherwise specified, passing a `null` argument to any method or constructor in this class will cause a `NullPointerException` to be thrown.

  Since:
    1.5
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `MissingFormatWidthException​(String s)` | Constructs an instance of this class with the specified format specifier.

  - ### Method Summary

    Modifier and Type | Method | Description
    --- | --- | ---
    `String` | `getFormatSpecifier()` | Returns the format specifier which does not have a width.

    - ### 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`

- - ### Constructor Detail

    - #### MissingFormatWidthException

          public MissingFormatWidthException​(String s)

      Constructs an instance of this class with the specified format specifier.
      Parameters:
        `s` - The format specifier which does not have a width

  - ### Method Detail

    - #### getFormatSpecifier

          public String getFormatSpecifier()

      Returns the format specifier which does not have a width.
      Returns:
        The format specifier which does not have a width