Class IllegalFormatConversionException

java.util.IllegalFormatConversionException

All Implemented Interfaces:: Serializable

public non-sealed 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:

Constructor Summary

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

Method Summary

Modifier and Type	Method	Description
`Class<?>`	`getArgumentClass()`	Returns the class of the mismatched argument.
`char`	`getConversion()`	Returns the inapplicable conversion.

Methods declared in class Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

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 Details

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

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https://docs.oracle.com/en/java/javase/25/docs/api/java.base/java/util/IllegalFormatConversionException.html