Interface java.io.ObjectOutput - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Interface java.io.ObjectOutput

public interface ObjectOutput
extends DataOutput

ObjectOutput extends the DataOutput interface to include writing of objects. DataOutput includes methods for output of primitive types, ObjectOutput extends that interface to include objects, arrays, and Strings.

See Also:: InputStream, ObjectOutputStream, ObjectInputStream

close(): Closes the stream.
flush(): Flushes the stream.
write(byte[]): Writes an array of bytes.
write(byte[], int, int): Writes a sub array of bytes.
write(int): Writes a byte.
writeObject(Object): Write an object to the underlying storage or stream.

writeObject

 public abstract void writeObject(Object obj) throws IOException

Write an object to the underlying storage or stream. The class that implements this interface defines how the object is written.

Throws: IOException: Any of the usual Input/Output related exceptions.

write

 public abstract void write(int b) throws IOException

Writes a byte. This method will block until the byte is actually written.

Parameters:: b - the byte
Throws: IOException: If an I/O error has occurred.

write

 public abstract void write(byte b[]) throws IOException

Writes an array of bytes. This method will block until the bytes are actually written.

Parameters:: b - the data to be written
Throws: IOException: If an I/O error has occurred.

write

 public abstract void write(byte b[],
                            int off,
                            int len) throws IOException

Writes a sub array of bytes.

Parameters:: b - the data to be written; off - the start offset in the data; len - the number of bytes that are written
Throws: IOException: If an I/O error has occurred.

flush

 public abstract void flush() throws IOException

Flushes the stream. This will write any buffered output bytes.

Throws: IOException: If an I/O error has occurred.

close

 public abstract void close() throws IOException

Closes the stream. This method must be called to release any resources associated with the stream.

Throws: IOException: If an I/O error has occurred.

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