IllegalFormatConversionException (Java SE 21 & JDK 21)

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 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

Constructors

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 java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods declared in class java.lang.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