Package java.io

Classes
class	BufferedInputStream
	BufferedInputStream is a class which takes an input stream and buffers the input. More...
class	BufferedOutputStream
	BufferedOutputStream is a class which takes an output stream and buffers the writes to that stream. More...
class	BufferedReader
	BufferedReader is a buffered character input reader. More...
class	BufferedWriter
	BufferedWriter is for writing buffered character output. More...
class	ByteArrayInputStream
	ByteArrayInputStream is used for streaming over a byte array. More...
class	ByteArrayOutputStream
	ByteArrayOutputStream is a class whose underlying stream is represented by a byte array. More...
class	CharArrayReader
	CharArrayReader is used as a buffered character input stream on a character array. More...
class	CharArrayWriter
	CharArrayWriter is used as a character output stream on a character array. More...
class	CharConversionException
	This is the top level class for character conversion exceptions. More...
interface	Closeable
	Closeable represents the source or destination of some data which can be called its close method to release resources it holds. More...
interface	DataInput
	DataInput is an interface which declares methods for reading in typed data from a Stream. More...
class	DataInputStream
	DataInputStream is a filter class which can read typed data from a Stream. More...
interface	DataOutput
	DataOutput is an interface which declares methods for writing typed data to a Stream. More...
class	DataOutputStream
	DataOutputStream is a filter class which can write typed data to a Stream. More...
class	EOFException
	This End Of File (EOF) exception is thrown when a program encounters the end of a file or stream during an operation. More...
class	EmulatedFields
	An EmulatedFields is an object that represents a set of emulated fields for an object being dumped or loaded. More...
class	EmulatedFieldsForDumping
	An EmulatedFieldsForDumping is an object that represents a set of emulated fields for an object being dumped. More...
class	EmulatedFieldsForLoading
	An EmulatedFieldsForLoading is an object that represents a set of emulated fields for an object being loaded. More...
interface	Externalizable
	Objects that want to be serialized/deserialized using ObjectOutputStream/ObjectInputStream but defining their own byte representation should implement this interface. More...
interface	FileFilter
	FileFilter is an interface for filtering abstract Files. More...
class	FileNotFoundException
	This IO exception is thrown when a file specified by a program cannot be found. More...
class	FilePermission
	The class FilePermission is responsible for granting access to files or directories. More...
class	FilePermissionCollection
	FilePermissionCollection is a class which holds a collection of FilePermission objects and can answer a boolean indicating whether or not a specific permissions is implied by a FilePermissionCollection. More...
class	FileReader
	FileReader is class for turning a file into a character Stream. More...
class	FileWriter
	FileWriter is a class for writing characters out to a file. More...
interface	FilenameFilter
	FilenameFilter is an interface which declares methods for filtering file names in the list method of File. More...
class	FilterInputStream
	FilteredInputStream is a class which takes an input stream and filters the input in some way. More...
class	FilterOutputStream
	FilteredOutputStream is a class which takes an output stream and filters the output in some way. More...
class	FilterReader
	FilterReader is a class which takes a Reader and filters the input in some way. More...
class	FilterWriter
	FilterWriter is a class which takes a Writer and filters the output in some way. More...
interface	Flushable
class	IOException
	This IO exception is thrown when a program encounters some sort I/O error. More...
class	InputStream
	InputStream is an abstract class for all byte input streams. More...
class	InputStreamReader
	InputStreamReader is class for turning a byte Stream into a character Stream. More...
class	InterruptedIOException
	This IO exception is thrown when a program reading or writing to a stream is interrupted. More...
class	InvalidClassException
	A problem was found with the class of one of the objects being serialized or deserialized. More...
class	InvalidObjectException
	The object graph loaded (deserialized) can be validated by a collection of validator objects. More...
class	LineNumberInputStream
	LineNumberInputStream is a filter class which counts the number of line terminators from the data read from the target InputStream. More...
class	LineNumberReader
	LineNumberReader is a buffered character input reader which counts line numbers as data is being read. More...
class	NotActiveException
	Some methods in ObjectInputStream and ObjectOutputStream can only be called from a nested call to readObject() or writeObject(). More...
class	NotSerializableException
	When an implementation of ObjectOutput.writeObject() is passed an object that is not serializable, it will throw this type of exception. More...
interface	ObjectInput
	Streams to be used with serialization to read objects must implement this interface. More...
class	ObjectInputStream
	An ObjectInputStream can be used to load Java objects from a stream where the objects were saved using an ObjectOutputStream. More...
interface	ObjectInputValidation
	Objects to perform validations on other objects read with serialization should implement this interface. More...
interface	ObjectOutput
	Streams to be used with serialization to write objects must implement this interface. More...
class	ObjectOutputStream
	An ObjectOutputStream can be used to save Java objects into a stream where the objects can be loaded later with an ObjectInputStream. More...
class	ObjectStreamClass
	Instances of ObjectStreamClass are used to describe classes of objects used by serialization. More...
interface	ObjectStreamConstants
	Helper interface with constants used by the serialization implementation. More...
class	ObjectStreamException
	This is the superclass of all exceptions that can happen when serializing or deserialing objects. More...
class	ObjectStreamField
	This class represents object fields that are saved to the stream, by serialization. More...
class	OptionalDataException
	When readObject() encounters primitive types (int, char, etc) instead of an object instance in the input stream, this type of exception will be thrown. More...
class	OutputStream
	OutputStream is an abstract class for all byte output streams. More...
class	OutputStreamWriter
	OutputStreamWriter is a class for turning a character output stream into a byte output stream. More...
class	PipedInputStream
	PipedInputStream is a class which receives information on a communications pipe. More...
class	PipedOutputStream
	PipedOutputStream is a class which places information on a communications pipe. More...
class	PipedReader
	PipedReader is a class which receives information on a communications pipe. More...
class	PipedWriter
	PipedWriter is a class which places information on a communications pipe. More...
class	PrintStream
	PrintStream is a class which takes an OutputStream and provides convenience methods for printing common data types in a human readable format on the stream. More...
class	PrintWriter
	PrintWriter is a class which takes either an OutputStream or Writer and provides convenience methods for printing common data types in a human readable format on the stream. More...
class	PushbackInputStream
	PushbackInputStream is a filter class which allows bytes read to be pushed back into the stream so that they can be reread. More...
class	PushbackReader
	PushbackReader is a filter class which allows chars read to be pushed back into the stream so that they can be reread. More...
class	Reader
	Reader is an Abstract class for reading Character Streams. More...
class	SequenceInputStream
	SequenceInputStream is used for streaming over a sequence of streams concatenated together. More...
interface	Serializable
	Objects that want to be serialized/deserialized using ObjectOutputStream/ObjectInputStream should implement this interface. More...
class	SerializablePermission
	SerializablePermission objects represent permission to access unsafe serialization operations. More...
class	StreamCorruptedException
	When readObject() cannot read an object from the input stream due to missing information (cyclic reference that doesn't match previous instance or missing class descriptor for instance to be loaded) this type of exception is thrown. More...
class	StreamTokenizer
	StreamTokenizer takes a stream and a set of tokens and parses them one at a time. More...
class	StringBufferInputStream
	StringBufferInputStream is a class for to allow a String to be used as an InputStream. More...
class	StringReader
	StringReader is used as a character input stream on a String. More...
class	StringWriter
	StringWriter is an class for writing Character Streams to a StringBuffer. More...
class	SyncFailedException
	This IO exception is thrown when the method sync() in FileDescriptor failed to complete. More...
class	UTFDataFormatException
	This IO exception is thrown when a program attempts to read a UTF-8 String and the encoding is incorrect. More...
class	UnsupportedEncodingException
	This IO exception is thrown when a program asks for a particular character converter and it is not available. More...
class	WriteAbortedException
	This type of exception is thrown by readObject() when it detects an exception marker in the input stream. More...
class	Writer
	Writer is an Abstract class for writing Character Streams. More...
class	File
	File is a class which represents a file name or directory. More...
class	FileDescriptor
	FileDescriptor is the lowest level representation of a File, Device, or Socket. More...
class	FileInputStream
	FileInputStream is a class for reading bytes from a file. More...
class	FileOutputStream
	FileOutputStream is a class whose underlying stream is represented by a file in the operating system. More...
class	RandomAccessFile
	RandomAccessFile is a class which allows positioning of the next read anywhere in the file. More...
class	SerializableHelper