This interface extends the DataOutput interface and adds methods for serializing objects and writing bytes and arrays of bytes.

Figure 9-37. java.io.ObjectOutput

public interface ObjectOutput extends DataOutput {
// Public Instance Methods
     void close( ) throws IOException;  
     void flush( ) throws IOException;  
     void write(byte[ ] b) throws IOException;  
     void write(int b) throws IOException;  
     void write(byte[ ] b, int off, int len) throws IOException;  
     void writeObject(Object obj) throws IOException;  
}

Implementations

ObjectOutputStream

Passed To

Externalizable.writeExternal( ), ObjectOutputStream.PutField.write( )