| Package | Description | 
|---|---|
| java.io | Provides for system input and output through data streams,
serialization and the file system. | 
| java.rmi.server | Provides classes and interfaces for supporting the server
side of RMI. | 
| javax.imageio.stream | A package of the Java Image I/O API dealing with low-level I/O from
files and streams. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | ObjectOutputObjectOutput extends the DataOutput interface to include writing of objects. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DataOutputStreamA data output stream lets an application write primitive Java data
 types to an output stream in a portable way. | 
| class  | ObjectOutputStreamAn ObjectOutputStream writes primitive data types and graphs of Java objects
 to an OutputStream. | 
| class  | RandomAccessFileInstances of this class support both reading and writing to a
 random access file. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | UID. write(DataOutput out)Marshals a binary representation of this  UIDto
 aDataOutputinstance. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | ImageOutputStreamA seekable output stream interface for use by
  ImageWriters. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FileCacheImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
| class  | FileImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output directly to aFileorRandomAccessFile. | 
| class  | ImageOutputStreamImplAn abstract class implementing the  ImageOutputStreaminterface. | 
| class  | MemoryCacheImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
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