NumberFormatException (Java SE 22 & JDK 22)
Description: declaration: module: java.base, package: java.lang, class: NumberFormatException
Keywords: java.lang.NumberFormatException class

Module java.base
Package java.lang

# Class NumberFormatException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
java.lang.IllegalArgumentException
java.lang.NumberFormatException

All Implemented Interfaces:
  `Serializable`

public class NumberFormatException extends IllegalArgumentException
Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.

Since:
  1.0
See Also:
  - `Integer.parseInt(String)`
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `NumberFormatException()`
  Constructs a `NumberFormatException` with no detail message.
  `NumberFormatException(String s)`
  Constructs a `NumberFormatException` with the specified detail message.

- ## Method Summary

  ### 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

  - ### NumberFormatException

    public NumberFormatException()
    Constructs a `NumberFormatException` with no detail message.

  - ### NumberFormatException

    public NumberFormatException(String s)
    Constructs a `NumberFormatException` with the specified detail message.
    Parameters:
      `s` - the detail message.