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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class FileNotFoundException - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.io
Class FileNotFoundException

java.lang.Object
  |
  +--java.lang.Throwable
        |
        +--java.lang.Exception
              |
              +--java.io.IOException
                    |
                    +--java.io.FileNotFoundException

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public class FileNotFoundException

extends IOException

Signals that an attempt to open the file denoted by a specified pathname has failed.

This exception will be thrown by the FileInputStream, FileOutputStream, and RandomAccessFile constructors when a file with the specified pathname does not exist. It will also be thrown by these constructors if the file does exist but for some reason is inaccessible, for example when an attempt is made to open a read-only file for writing.

Since:

JDK1.0

See Also:

Serialized Form

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Constructor Summary

FileNotFoundException()           Constructs a FileNotFoundException with null as its error detail message.

FileNotFoundException(String s)           Constructs a FileNotFoundException with the specified detail message.

 

Methods inherited from class java.lang.Throwable

fillInStackTrace, getLocalizedMessage, getMessage, printStackTrace, printStackTrace, printStackTrace, toString

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

FileNotFoundException

public FileNotFoundException()

Constructs a FileNotFoundException with null as its error detail message.

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FileNotFoundException

public FileNotFoundException(String s)

Constructs a FileNotFoundException with the specified detail message. The string s can be retrieved later by the Throwable.getMessage() method of class java.lang.Throwable.

Parameters:

s - the detail message.

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