程序包 java.io

类 FileNotFoundException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.io.IOException

java.io.FileNotFoundException

所有已实现的接口:

Serializable

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.

从以下版本开始:

JDK1.0

另请参阅:

序列化表格

构造器概要

构造器

构造器	说明
FileNotFoundException()	Constructs a FileNotFoundException with null as its error detail message.
FileNotFoundException(String s)	Constructs a FileNotFoundException with the specified detail message.

方法概要

从类继承的方法 java.lang.Object

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

从类继承的方法 java.lang.Throwable

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

构造器详细资料

FileNotFoundException

public FileNotFoundException()

Constructs a FileNotFoundException with null as its error detail message.

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.

参数:

s - the detail message.