| 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  | ObjectInputObjectInput extends the DataInput interface to include the reading of
 objects. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DataInputStreamA data input stream lets an application read primitive Java data
 types from an underlying input stream in a machine-independent
 way. | 
| class  | ObjectInputStreamAn ObjectInputStream deserializes primitive data and objects previously
 written using an ObjectOutputStream. | 
| class  | RandomAccessFileInstances of this class support both reading and writing to a
 random access file. | 
| Modifier and Type | Method and Description | 
|---|---|
| static String | DataInputStream. readUTF(DataInput in)Reads from the
 stream  ina representation
 of a Unicode  character string encoded in
 modified UTF-8 format;
 this string of characters is then returned as aString. | 
| Modifier and Type | Method and Description | 
|---|---|
| static UID | UID. read(DataInput in)Constructs and returns a new  UIDinstance by
 unmarshalling a binary representation from anDataInputinstance. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | ImageInputStreamA seekable input stream interface for use by
  ImageReaders. | 
| interface  | ImageOutputStreamA seekable output stream interface for use by
  ImageWriters. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FileCacheImageInputStreamAn implementation of  ImageInputStreamthat gets its
 input from a regularInputStream. | 
| class  | FileCacheImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
| class  | FileImageInputStreamAn implementation of  ImageInputStreamthat gets its
 input from aFileorRandomAccessFile. | 
| class  | FileImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output directly to aFileorRandomAccessFile. | 
| class  | ImageInputStreamImplAn abstract class implementing the  ImageInputStreaminterface. | 
| class  | ImageOutputStreamImplAn abstract class implementing the  ImageOutputStreaminterface. | 
| class  | MemoryCacheImageInputStreamAn implementation of  ImageInputStreamthat gets its
 input from a regularInputStream. | 
| class  | MemoryCacheImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
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