| Package | Description | 
|---|---|
| java.nio.channels | 
 Defines channels, which represent connections to entities that are capable of
 performing I/O operations, such as files and sockets; defines selectors, for
 multiplexed, non-blocking I/O operations. 
 | 
| java.util | 
 Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array). 
 | 
| Modifier and Type | Interface and Description | 
|---|---|
interface  | 
ByteChannel
A channel that can read and write bytes. 
 | 
interface  | 
ScatteringByteChannel
A channel that can read bytes into a sequence of buffers. 
 | 
interface  | 
SeekableByteChannel
A byte channel that maintains a current position and allows the
 position to be changed. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
DatagramChannel
A selectable channel for datagram-oriented sockets. 
 | 
class  | 
FileChannel
A channel for reading, writing, mapping, and manipulating a file. 
 | 
static class  | 
Pipe.SourceChannel
A channel representing the readable end of a  
Pipe. | 
class  | 
SocketChannel
A selectable channel for stream-oriented connecting sockets. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
static ReadableByteChannel | 
Channels.newChannel(InputStream in)
Constructs a channel that reads bytes from the given stream. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
static InputStream | 
Channels.newInputStream(ReadableByteChannel ch)
Constructs a stream that reads bytes from the given channel. 
 | 
static Reader | 
Channels.newReader(ReadableByteChannel ch,
         CharsetDecoder dec,
         int minBufferCap)
Constructs a reader that decodes bytes from the given channel using the
 given decoder. 
 | 
static Reader | 
Channels.newReader(ReadableByteChannel ch,
         String csName)
Constructs a reader that decodes bytes from the given channel according
 to the named charset. 
 | 
abstract long | 
FileChannel.transferFrom(ReadableByteChannel src,
            long position,
            long count)
Transfers bytes into this channel's file from the given readable byte
 channel. 
 | 
| Constructor and Description | 
|---|
Scanner(ReadableByteChannel source)
Constructs a new  
Scanner that produces values scanned
 from the specified channel. | 
Scanner(ReadableByteChannel source,
       String charsetName)
Constructs a new  
Scanner that produces values scanned
 from the specified channel. | 
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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