Module java.base
Package java.util

Class 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 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).