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## java.util
Class IllegalFormatConversionException

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

All Implemented Interfaces:
  Serializable

    public class IllegalFormatConversionException

extends IllegalFormatException

Unchecked exception thrown when the argument corresponding to the format specifier is of an incompatible type.

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
`IllegalFormatConversionException(char c, Class<?> arg)` Constructs an instance of this class with the mismatched conversion and the corresponding argument class.

Method Summary
`Class<?>` | `getArgumentClass()` Returns the class of the mismatched argument.
`char` | `getConversion()` Returns the inapplicable conversion.
`String` | `getMessage()` Returns the detail message string of this throwable.

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### IllegalFormatConversionException

    public IllegalFormatConversionException(char c,
                                            Class<?> arg)

  Constructs an instance of this class with the mismatched conversion and the corresponding argument class.

  Parameters:
    `c` - Inapplicable conversion
    `arg` - Class of the mismatched argument

Method Detail

### getConversion

    public char getConversion()

  Returns the inapplicable conversion.

  Returns:
    The inapplicable conversion

### getArgumentClass

    public Class<?> getArgumentClass()

  Returns the class of the mismatched argument.

  Returns:
    The class of the mismatched argument

### getMessage

    public String getMessage()

  Description copied from class: `Throwable`
  Returns the detail message string of this throwable.

  Overrides:
    `getMessage` in class `Throwable`
  Returns:
    the detail message string of this `Throwable` instance (which may be `null`).

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