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Java™ Platform
Standard Ed. 7

DRAFT ea-b118

java.io
Class IOException

java.lang.Object
  extended by java.lang.Throwable
      extended by java.lang.Exception
          extended by java.io.IOException
All Implemented Interfaces:
Serializable
Direct Known Subclasses:
ChangedCharSetException, CharacterCodingException, CharConversionException, ClosedChannelException, EOFException, FileLockInterruptionException, FileNotFoundException, FilerException, FileSystemException, HttpRetryException, IIOException, InterruptedByTimeoutException, InterruptedIOException, InvalidPropertiesFormatException, JMXProviderException, JMXServerErrorException, MalformedURLException, ObjectStreamException, ProtocolException, RemoteException, SaslException, SocketException, SSLException, SyncFailedException, UnknownHostException, UnknownServiceException, UnsupportedDataTypeException, UnsupportedEncodingException, UserPrincipalNotFoundException, UTFDataFormatException, ZipException

public class IOException
extends Exception

Signals that an I/O exception of some sort has occurred. This class is the general class of exceptions produced by failed or interrupted I/O operations.

Since:
JDK1.0
See Also:
InputStream, OutputStream, Serialized Form

Constructor Summary
Constructor and Description
IOException()
          Constructs an IOException with null as its error detail message.
IOException(String message)
          Constructs an IOException with the specified detail message.
IOException(String message, Throwable cause)
          Constructs an IOException with the specified detail message and cause.
IOException(Throwable cause)
          Constructs an IOException with the specified cause and a detail message of (cause==null ? null : cause.toString()) (which typically contains the class and detail message of cause).
 
Method Summary
Modifier and Type Method and Description
 
Methods inherited from class java.lang.Throwable
addSuppressedException, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressedExceptions, 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

IOException

public IOException()
Constructs an IOException with null as its error detail message.


IOException

public IOException(String message)
Constructs an IOException with the specified detail message.

Parameters:
message - The detail message (which is saved for later retrieval by the Throwable.getMessage() method)

IOException

public IOException(String message,
                   Throwable cause)
Constructs an IOException with the specified detail message and cause.

Note that the detail message associated with cause is not automatically incorporated into this exception's detail message.

Parameters:
message - The detail message (which is saved for later retrieval by the Throwable.getMessage() method)
cause - The cause (which is saved for later retrieval by the Throwable.getCause() method). (A null value is permitted, and indicates that the cause is nonexistent or unknown.)
Since:
1.6

IOException

public IOException(Throwable cause)
Constructs an IOException with the specified cause and a detail message of (cause==null ? null : cause.toString()) (which typically contains the class and detail message of cause). This constructor is useful for IO exceptions that are little more than wrappers for other throwables.

Parameters:
cause - The cause (which is saved for later retrieval by the Throwable.getCause() method). (A null value is permitted, and indicates that the cause is nonexistent or unknown.)
Since:
1.6

Java™ Platform
Standard Ed. 7

DRAFT ea-b118

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright © 1993, 2010, Oracle Corporation. All rights reserved.
DRAFT ea-b118

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