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ObjectOutput.java
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90 lines (83 loc) · 2.27 KB
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/*
* Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.io;
/**
* 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.
*
* @author unascribed
* @see java.io.InputStream
* @see java.io.ObjectOutputStream
* @see java.io.ObjectInputStream
* @since JDK1.1
*/
public interface ObjectOutput extends DataOutput, AutoCloseable {
/**
* Write an object to the underlying storage or stream. The
* class that implements this interface defines how the object is
* written.
*
* @param obj the object to be written
* @exception IOException Any of the usual Input/Output related exceptions.
*/
public void writeObject(Object obj)
throws IOException;
/**
* Writes a byte. This method will block until the byte is actually
* written.
* @param b the byte
* @exception IOException If an I/O error has occurred.
*/
public void write(int b) throws IOException;
/**
* Writes an array of bytes. This method will block until the bytes
* are actually written.
* @param b the data to be written
* @exception IOException If an I/O error has occurred.
*/
public void write(byte b[]) throws IOException;
/**
* Writes a sub array of bytes.
* @param b the data to be written
* @param off the start offset in the data
* @param len the number of bytes that are written
* @exception IOException If an I/O error has occurred.
*/
public void write(byte b[], int off, int len) throws IOException;
/**
* Flushes the stream. This will write any buffered
* output bytes.
* @exception IOException If an I/O error has occurred.
*/
public void flush() throws IOException;
/**
* Closes the stream. This method must be called
* to release any resources associated with the
* stream.
* @exception IOException If an I/O error has occurred.
*/
public void close() throws IOException;
}