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## java.util
Class DuplicateFormatFlagsException

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

All Implemented Interfaces:
  Serializable

    public class DuplicateFormatFlagsException

extends IllegalFormatException

Unchecked exception thrown when duplicate flags are provided in the format specifier.

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
`DuplicateFormatFlagsException(String f)` Constructs an instance of this class with the specified flags.

Method Summary
`String` | `getFlags()` Returns the set of flags which contains a duplicate flag.
`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

### DuplicateFormatFlagsException

    public DuplicateFormatFlagsException(String f)

  Constructs an instance of this class with the specified flags.

  Parameters:
    `f` - The set of format flags which contain a duplicate flag.

Method Detail

### getFlags

    public String getFlags()

  Returns the set of flags which contains a duplicate flag.

  Returns:
    The flags

### 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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