BufferedInputStream |
A BufferedInputStream adds
functionality to another input stream-namely,
the ability to buffer the input and to
support the mark and reset
methods.
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BufferedOutputStream |
The class implements a buffered output stream.
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BufferedReader |
Reads text from a character-input stream, buffering characters so as to
provide for the efficient reading of characters, arrays, and lines.
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BufferedWriter |
Writes text to a character-output stream, buffering characters so as to
provide for the efficient writing of single characters, arrays, and strings.
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ByteArrayInputStream |
A ByteArrayInputStream contains
an internal buffer that contains bytes that
may be read from the stream.
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ByteArrayOutputStream |
This class implements an output stream in which the data is
written into a byte array.
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CharArrayReader |
This class implements a character buffer that can be used as a
character-input stream.
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CharArrayWriter |
This class implements a character buffer that can be used as an Writer.
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Console |
Methods to access the character-based console device, if any, associated
with the current Java virtual machine.
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DataInputStream |
A data input stream lets an application read primitive Java data
types from an underlying input stream in a machine-independent
way.
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DataOutputStream |
A data output stream lets an application write primitive Java data
types to an output stream in a portable way.
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File |
An abstract representation of file and directory pathnames.
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FileDescriptor |
Instances of the file descriptor class serve as an opaque handle
to the underlying machine-specific structure representing an open
file, an open socket, or another source or sink of bytes.
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FileInputStream |
A FileInputStream obtains input bytes
from a file in a file system.
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FileOutputStream |
A file output stream is an output stream for writing data to a
File or to a FileDescriptor .
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FilePermission |
Legacy security code; do not use.
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FileReader |
Convenience class for reading character files.
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FileWriter |
Convenience class for writing character files.
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FilterInputStream |
A FilterInputStream contains
some other input stream, which it uses as
its basic source of data, possibly transforming
the data along the way or providing additional
functionality.
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FilterOutputStream |
This class is the superclass of all classes that filter output
streams.
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FilterReader |
Abstract class for reading filtered character streams.
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FilterWriter |
Abstract class for writing filtered character streams.
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InputStream |
This abstract class is the superclass of all classes representing
an input stream of bytes.
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InputStreamReader |
An InputStreamReader is a bridge from byte streams to character streams: It
reads bytes and decodes them into characters using a specified charset .
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LineNumberInputStream |
This class is deprecated.
This class incorrectly assumes that bytes adequately represent
characters. As of JDK 1.1, the preferred way to operate on
character streams is via the new character-stream classes, which
include a class for counting line numbers.
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LineNumberReader |
A buffered character-input stream that keeps track of line numbers.
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ObjectInputStream |
An ObjectInputStream deserializes primitive data and objects previously
written using an ObjectOutputStream.
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ObjectInputStream.GetField |
Provide access to the persistent fields read from the input stream.
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ObjectOutputStream |
An ObjectOutputStream writes primitive data types and graphs of Java objects
to an OutputStream.
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ObjectOutputStream.PutField |
Provide programmatic access to the persistent fields to be written
to ObjectOutput.
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ObjectStreamClass |
Serialization's descriptor for classes.
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ObjectStreamField |
A description of a Serializable field from a Serializable class.
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OutputStream |
This abstract class is the superclass of all classes representing
an output stream of bytes.
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OutputStreamWriter |
An OutputStreamWriter is a bridge from character streams to byte streams:
Characters written to it are encoded into bytes using a specified charset .
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PipedInputStream |
A piped input stream should be connected
to a piped output stream; the piped input
stream then provides whatever data bytes
are written to the piped output stream.
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PipedOutputStream |
A piped output stream can be connected to a piped input stream
to create a communications pipe.
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PipedReader |
Piped character-input streams.
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PipedWriter |
Piped character-output streams.
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PrintStream |
A PrintStream adds functionality to another output stream,
namely the ability to print representations of various data values
conveniently.
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PrintWriter |
Prints formatted representations of objects to a text-output stream.
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PushbackInputStream |
A PushbackInputStream adds
functionality to another input stream, namely
the ability to "push back" or "unread"
one byte.
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PushbackReader |
A character-stream reader that allows characters to be pushed back into the
stream.
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RandomAccessFile |
Instances of this class support both reading and writing to a
random access file.
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Reader |
Abstract class for reading character streams.
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SequenceInputStream |
A SequenceInputStream represents
the logical concatenation of other input
streams.
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SerializablePermission |
This legacy security is not supported on Android.
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StreamTokenizer |
The StreamTokenizer class takes an input stream and
parses it into "tokens", allowing the tokens to be
read one at a time.
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StringBufferInputStream |
This class is deprecated.
This class does not properly convert characters into bytes. As
of JDK 1.1, the preferred way to create a stream from a
string is via the StringReader class.
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StringReader |
A character stream whose source is a string.
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StringWriter |
A character stream that collects its output in a string buffer, which can
then be used to construct a string.
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Writer |
Abstract class for writing to character streams.
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