Java In A Nutshell, 5th Edition

An IllegalFormatException of this type is thrown by a Formatter when a format string contains an illegal combination of flags.

public class IllegalFormatFlagsException extends IllegalFormatException { // Public Constructors public IllegalFormatFlagsException (String f ); // Public Instance Methods public String getFlags ( ); // Public Methods Overriding Throwable public String getMessage ( ); }