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## 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:
  JDK1.0
See Also:
  `Integer.toString()`, Serialized Form

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

Method Summary

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### 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.

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