Uses of Class
java.io.IOException

Packages that use IOException

Package	Description
java.applet	Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt	Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.color	Provides classes for color spaces.
java.awt.datatransfer	Provides interfaces and classes for transferring data between and within applications.
java.awt.dnd	Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.print	Provides classes and interfaces for a general printing API.
java.beans	Contains classes related to developing beans -- components based on the JavaBeans™ architecture.
java.beans.beancontext	Provides classes and interfaces relating to bean context.
java.io	Provides for system input and output through data streams, serialization and the file system.
java.lang	Provides classes that are fundamental to the design of the Java programming language.
java.lang.management	Provides the management interfaces for monitoring and management of the Java virtual machine and other components in the Java runtime.
java.net	Provides the classes for implementing networking applications.
java.nio	Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
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.nio.channels.spi	Service-provider classes for the java.nio.channels package.
java.nio.charset	Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.file	Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.attribute	Interfaces and classes providing access to file and file system attributes.
java.nio.file.spi	Service-provider classes for the java.nio.file package.
java.rmi	Provides the RMI package.
java.rmi.activation	Provides support for RMI Object Activation.
java.rmi.server	Provides classes and interfaces for supporting the server side of RMI.
java.security	Provides the classes and interfaces for the security framework.
java.security.cert	Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
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).
java.util.jar	Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.logging	Provides the classes and interfaces of the JavaTM 2 platform's core logging facilities.
java.util.prefs	This package allows applications to store and retrieve user and system preference and configuration data.
java.util.zip	Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.activation
javax.activity	Contains Activity service related exceptions thrown by the ORB machinery during unmarshalling.
javax.annotation.processing	Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.
javax.crypto	Provides the classes and interfaces for cryptographic operations.
javax.imageio	The main package of the Java Image I/O API.
javax.imageio.metadata	A package of the Java Image I/O API dealing with reading and writing metadata.
javax.imageio.spi	A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.imageio.stream	A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.management	Provides the core classes for the Java Management Extensions.
javax.management.loading	Provides the classes which implement advanced dynamic loading.
javax.management.remote	Interfaces for remote access to JMX MBean servers.
javax.management.remote.rmi	The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server.
javax.naming.ldap	Provides support for LDAPv3 extended operations and controls.
javax.net	Provides classes for networking applications.
javax.net.ssl	Provides classes for the secure socket package.
javax.print	Provides the principal classes and interfaces for the JavaTM Print Service API.
javax.rmi.CORBA	Contains portability APIs for RMI-IIOP.
javax.rmi.ssl	Provides implementations of RMIClientSocketFactory and RMIServerSocketFactory over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
javax.security.auth.callback	This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
javax.security.sasl	Contains class and interfaces for supporting SASL.
javax.sound.midi	Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.midi.spi	Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
javax.sound.sampled	Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sound.sampled.spi	Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
javax.sql.rowset	Standard interfaces and base classes for JDBC RowSet implementations.
javax.swing	Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.filechooser	Contains classes and interfaces used by the JFileChooser component.
javax.swing.plaf.synth	Synth is a skinnable look and feel in which all painting is delegated.
javax.swing.text	Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html	Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.
javax.swing.text.html.parser	Provides the default HTML parser, along with support classes.
javax.swing.text.rtf	Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors.
javax.tools	Provides interfaces for tools which can be invoked from a program, for example, compilers.
javax.transaction	Contains three exceptions thrown by the ORB machinery during unmarshalling.
javax.xml.bind	Provides a runtime binding framework for client applications including unmarshalling, marshalling, and validation capabilities.
javax.xml.parsers	Provides classes allowing the processing of XML documents.
javax.xml.soap	Provides the API for creating and building SOAP messages.
javax.xml.validation	This package provides an API for validation of XML documents.
javax.xml.ws.spi.http	Provides HTTP SPI that is used for portable deployment of JAX-WS web services in containers(for e.g.
org.omg.CORBA.portable	Provides a portability layer, that is, a set of ORB APIs that makes it possible for code generated by one vendor to run on another vendor's ORB.
org.xml.sax	This package provides the core SAX APIs.
org.xml.sax.ext	This package contains interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.
org.xml.sax.helpers	This package contains "helper" classes, including support for bootstrapping SAX-based applications.

Uses of IOException in java.applet

Methods in java.applet that throw IOException

Modifier and Type	Method and Description
void	AppletContext.setStream(String key, InputStream stream) Associates the specified stream with the specified key in this applet context.

Uses of IOException in java.awt

Methods in java.awt that throw IOException

Modifier and Type	Method and Description
void	Desktop.browse(URI uri) Launches the default browser to display a URI.
static Font	Font.createFont(int fontFormat, File fontFile) Returns a new Font using the specified font type and the specified font file.
static Font	Font.createFont(int fontFormat, InputStream fontStream) Returns a new Font using the specified font type and input data.
void	Desktop.edit(File file) Launches the associated editor application and opens a file for editing.
void	Desktop.mail() Launches the mail composing window of the user default mail client.
void	Desktop.mail(URI mailtoURI) Launches the mail composing window of the user default mail client, filling the message fields specified by a mailto: URI.
void	Desktop.open(File file) Launches the associated application to open the file.
void	Desktop.print(File file) Prints a file with the native desktop printing facility, using the associated application's print command.
protected static void	AWTEventMulticaster.save(ObjectOutputStream s, String k, EventListener l)
protected void	AWTEventMulticaster.saveInternal(ObjectOutputStream s, String k)
void	SplashScreen.setImageURL(URL imageURL) Changes the splash screen image.

Uses of IOException in java.awt.color

Methods in java.awt.color that throw IOException

Modifier and Type	Method and Description
static ICC_Profile	ICC_Profile.getInstance(InputStream s) Constructs an ICC_Profile corresponding to the data in an InputStream.
static ICC_Profile	ICC_Profile.getInstance(String fileName) Constructs an ICC_Profile corresponding to the data in a file.
void	ICC_Profile.write(OutputStream s) Write this ICC_Profile to an OutputStream.
void	ICC_Profile.write(String fileName) Write this ICC_Profile to a file.

Uses of IOException in java.awt.datatransfer

Methods in java.awt.datatransfer that throw IOException

Modifier and Type	Method and Description
Object	Clipboard.getData(DataFlavor flavor) Returns an object representing the current contents of this clipboard in the specified DataFlavor.
Reader	DataFlavor.getReaderForText(Transferable transferable) Gets a Reader for a text flavor, decoded, if necessary, for the expected charset (encoding).
Object	StringSelection.getTransferData(DataFlavor flavor) Returns the Transferable's data in the requested DataFlavor if possible.
Object	Transferable.getTransferData(DataFlavor flavor) Returns an object which represents the data to be transferred.
void	DataFlavor.readExternal(ObjectInput is) Restores this DataFlavor from a Serialized state.
void	DataFlavor.writeExternal(ObjectOutput os) Serializes this DataFlavor.

Uses of IOException in java.awt.dnd

Methods in java.awt.dnd that throw IOException

Modifier and Type	Method and Description
Object	DropTargetContext.TransferableProxy.getTransferData(DataFlavor df) Returns an object which represents the data provided by the encapsulated transferable for the requested data flavor.

Uses of IOException in java.awt.print

Methods in java.awt.print that return IOException

Modifier and Type	Method and Description
IOException	PrinterIOException.getIOException() Returns the IOException that terminated the print job.

Constructors in java.awt.print with parameters of type IOException

Constructor and Description
PrinterIOException(IOException exception) Constructs a new PrinterIOException with the string representation of the specified IOException.

Uses of IOException in java.beans

Methods in java.beans that throw IOException

Modifier and Type	Method and Description
static Object	Beans.instantiate(ClassLoader cls, String beanName) Instantiate a JavaBean.
static Object	Beans.instantiate(ClassLoader cls, String beanName, BeanContext beanContext) Instantiate a JavaBean.
static Object	Beans.instantiate(ClassLoader cls, String beanName, BeanContext beanContext, AppletInitializer initializer) Instantiate a bean.

Uses of IOException in java.beans.beancontext

Methods in java.beans.beancontext that throw IOException

Modifier and Type	Method and Description
protected void	BeanContextServicesSupport.bcsPreDeserializationHook(ObjectInputStream ois) called from BeanContextSupport readObject before it deserializes the children ...
protected void	BeanContextSupport.bcsPreDeserializationHook(ObjectInputStream ois) called by readObject after defaultReadObject() but prior to deserialization of any children.
protected void	BeanContextServicesSupport.bcsPreSerializationHook(ObjectOutputStream oos) called from BeanContextSupport writeObject before it serializes the children ...
protected void	BeanContextSupport.bcsPreSerializationHook(ObjectOutputStream oos) called by writeObject after defaultWriteObject() but prior to serialization of currently serializable children.
protected void	BeanContextSupport.deserialize(ObjectInputStream ois, Collection coll) used by readObject to deserialize a collection.
Object	BeanContext.instantiateChild(String beanName) Instantiate the javaBean named as a child of this BeanContext.
Object	BeanContextSupport.instantiateChild(String beanName) The instantiateChild method is a convenience hook in BeanContext to simplify the task of instantiating a Bean, nested, into a BeanContext.
void	BeanContextSupport.readChildren(ObjectInputStream ois) When an instance of this class is used as a delegate for the implementation of the BeanContext protocols (and its subprotocols) there exists a 'chicken and egg' problem during deserialization
protected void	BeanContextSupport.serialize(ObjectOutputStream oos, Collection coll) Used by writeObject to serialize a Collection.
void	BeanContextSupport.writeChildren(ObjectOutputStream oos) Used to serialize all children of this BeanContext.

Uses of IOException in java.io

Subclasses of IOException in java.io

Modifier and Type	Class and Description
class	CharConversionException Base class for character conversion exceptions.
class	EOFException Signals that an end of file or end of stream has been reached unexpectedly during input.
class	FileNotFoundException Signals that an attempt to open the file denoted by a specified pathname has failed.
class	InterruptedIOException Signals that an I/O operation has been interrupted.
class	InvalidClassException Thrown when the Serialization runtime detects one of the following problems with a Class.
class	InvalidObjectException Indicates that one or more deserialized objects failed validation tests.
class	NotActiveException Thrown when serialization or deserialization is not active.
class	NotSerializableException Thrown when an instance is required to have a Serializable interface.
class	ObjectStreamException Superclass of all exceptions specific to Object Stream classes.
class	OptionalDataException Exception indicating the failure of an object read operation due to unread primitive data, or the end of data belonging to a serialized object in the stream.
class	StreamCorruptedException Thrown when control information that was read from an object stream violates internal consistency checks.
class	SyncFailedException Signals that a sync operation has failed.
class	UnsupportedEncodingException The Character Encoding is not supported.
class	UTFDataFormatException Signals that a malformed string in modified UTF-8 format has been read in a data input stream or by any class that implements the data input interface.
class	WriteAbortedException Signals that one of the ObjectStreamExceptions was thrown during a write operation.

Methods in java.io that throw IOException

Modifier and Type	Method and Description
protected void	ObjectOutputStream.annotateClass(Class<?> cl) Subclasses may implement this method to allow class data to be stored in the stream.
protected void	ObjectOutputStream.annotateProxyClass(Class<?> cl) Subclasses may implement this method to store custom data in the stream along with descriptors for dynamic proxy classes.
Writer	Writer.append(char c) Appends the specified character to this writer.
Writer	Writer.append(CharSequence csq) Appends the specified character sequence to this writer.
Writer	Writer.append(CharSequence csq, int start, int end) Appends a subsequence of the specified character sequence to this writer.
int	BufferedInputStream.available() Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream.
int	InputStream.available() Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream.
int	ObjectInputStream.available() Returns the number of bytes that can be read without blocking.
int	SequenceInputStream.available() Returns an estimate of the number of bytes that can be read (or skipped over) from the current underlying input stream without blocking by the next invocation of a method for the current underlying input stream.
int	FilterInputStream.available() Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next caller of a method for this input stream.
int	FileInputStream.available() Returns an estimate of the number of remaining bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream.
int	LineNumberInputStream.available() Deprecated. Returns the number of bytes that can be read from this input stream without blocking.
int	PipedInputStream.available() Returns the number of bytes that can be read from this input stream without blocking.
int	PushbackInputStream.available() Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream.
int	ObjectInput.available() Returns the number of bytes that can be read without blocking.
void	FilterReader.close()
void	ByteArrayInputStream.close() Closing a ByteArrayInputStream has no effect.
void	PipedWriter.close() Closes this piped output stream and releases any system resources associated with this stream.
void	InputStreamReader.close()
void	BufferedWriter.close()
void	BufferedInputStream.close() Closes this input stream and releases any system resources associated with the stream.
void	InputStream.close() Closes this input stream and releases any system resources associated with the stream.
void	ByteArrayOutputStream.close() Closing a ByteArrayOutputStream has no effect.
void	BufferedReader.close()
void	PushbackReader.close() Closes the stream and releases any system resources associated with it.
void	PipedReader.close() Closes this piped stream and releases any system resources associated with the stream.
abstract void	Writer.close() Closes the stream, flushing it first.
void	ObjectOutput.close() Closes the stream.
void	RandomAccessFile.close() Closes this random access file stream and releases any system resources associated with the stream.
void	FilterOutputStream.close() Closes this output stream and releases any system resources associated with the stream.
void	FileOutputStream.close() Closes this file output stream and releases any system resources associated with this stream.
void	OutputStream.close() Closes this output stream and releases any system resources associated with this stream.
void	ObjectOutputStream.close() Closes the stream.
void	ObjectInputStream.close() Closes the input stream.
void	SequenceInputStream.close() Closes this input stream and releases any system resources associated with the stream.
void	FilterInputStream.close() Closes this input stream and releases any system resources associated with the stream.
void	StringWriter.close() Closing a StringWriter has no effect.
void	OutputStreamWriter.close()
void	FileInputStream.close() Closes this file input stream and releases any system resources associated with the stream.
void	PipedOutputStream.close() Closes this piped output stream and releases any system resources associated with this stream.
void	Closeable.close() Closes this stream and releases any system resources associated with it.
void	FilterWriter.close()
void	PipedInputStream.close() Closes this piped input stream and releases any system resources associated with the stream.
void	PushbackInputStream.close() Closes this input stream and releases any system resources associated with the stream.
void	ObjectInput.close() Closes the input stream.
abstract void	Reader.close() Closes the stream and releases any system resources associated with it.
void	PipedOutputStream.connect(PipedInputStream snk) Connects this piped output stream to a receiver.
void	PipedInputStream.connect(PipedOutputStream src) Causes this piped input stream to be connected to the piped output stream src.
void	PipedWriter.connect(PipedReader snk) Connects this piped writer to a receiver.
void	PipedReader.connect(PipedWriter src) Causes this piped reader to be connected to the piped writer src.
boolean	File.createNewFile() Atomically creates a new, empty file named by this abstract pathname if and only if a file with this name does not yet exist.
static File	File.createTempFile(String prefix, String suffix) Creates an empty file in the default temporary-file directory, using the given prefix and suffix to generate its name.
static File	File.createTempFile(String prefix, String suffix, File directory) Creates a new empty file in the specified directory, using the given prefix and suffix strings to generate its name.
abstract boolean	ObjectInputStream.GetField.defaulted(String name) Return true if the named field is defaulted and has no value in this stream.
void	ObjectInputStream.defaultReadObject() Read the non-static and non-transient fields of the current class from this stream.
void	ObjectOutputStream.defaultWriteObject() Write the non-static and non-transient fields of the current class to this stream.
protected void	ObjectOutputStream.drain() Drain any buffered data in ObjectOutputStream.
protected void	FileOutputStream.finalize() Cleans up the connection to the file, and ensures that the close method of this file output stream is called when there are no more references to this stream.
protected void	FileInputStream.finalize() Ensures that the close method of this file input stream is called when there are no more references to it.
void	Flushable.flush() Flushes this stream by writing any buffered output to the underlying stream.
void	BufferedOutputStream.flush() Flushes this buffered output stream.
void	PipedWriter.flush() Flushes this output stream and forces any buffered output characters to be written out.
void	BufferedWriter.flush() Flushes the stream.
abstract void	Writer.flush() Flushes the stream.
void	ObjectOutput.flush() Flushes the stream.
void	FilterOutputStream.flush() Flushes this output stream and forces any buffered output bytes to be written out to the stream.
void	OutputStream.flush() Flushes this output stream and forces any buffered output bytes to be written out.
void	ObjectOutputStream.flush() Flushes the stream.
void	OutputStreamWriter.flush() Flushes the stream.
void	PipedOutputStream.flush() Flushes this output stream and forces any buffered output bytes to be written out.
void	FilterWriter.flush() Flushes the stream.
void	DataOutputStream.flush() Flushes this data output stream.
abstract boolean	ObjectInputStream.GetField.get(String name, boolean val) Get the value of the named boolean field from the persistent field.
abstract byte	ObjectInputStream.GetField.get(String name, byte val) Get the value of the named byte field from the persistent field.
abstract char	ObjectInputStream.GetField.get(String name, char val) Get the value of the named char field from the persistent field.
abstract double	ObjectInputStream.GetField.get(String name, double val) Get the value of the named double field from the persistent field.
abstract float	ObjectInputStream.GetField.get(String name, float val) Get the value of the named float field from the persistent field.
abstract int	ObjectInputStream.GetField.get(String name, int val) Get the value of the named int field from the persistent field.
abstract long	ObjectInputStream.GetField.get(String name, long val) Get the value of the named long field from the persistent field.
abstract Object	ObjectInputStream.GetField.get(String name, Object val) Get the value of the named Object field from the persistent field.
abstract short	ObjectInputStream.GetField.get(String name, short val) Get the value of the named short field from the persistent field.
File	File.getCanonicalFile() Returns the canonical form of this abstract pathname.
String	File.getCanonicalPath() Returns the canonical pathname string of this abstract pathname.
FileDescriptor	RandomAccessFile.getFD() Returns the opaque file descriptor object associated with this stream.
FileDescriptor	FileOutputStream.getFD() Returns the file descriptor associated with this stream.
FileDescriptor	FileInputStream.getFD() Returns the FileDescriptor object that represents the connection to the actual file in the file system being used by this FileInputStream.
long	RandomAccessFile.getFilePointer() Returns the current offset in this file.
long	RandomAccessFile.length() Returns the length of this file.
void	FilterReader.mark(int readAheadLimit) Marks the present position in the stream.
void	StringReader.mark(int readAheadLimit) Marks the present position in the stream.
void	CharArrayReader.mark(int readAheadLimit) Marks the present position in the stream.
void	BufferedReader.mark(int readAheadLimit) Marks the present position in the stream.
void	PushbackReader.mark(int readAheadLimit) Marks the present position in the stream.
void	LineNumberReader.mark(int readAheadLimit) Mark the present position in the stream.
void	Reader.mark(int readAheadLimit) Marks the present position in the stream.
void	BufferedWriter.newLine() Writes a line separator.
int	StreamTokenizer.nextToken() Parses the next token from the input stream of this tokenizer.
ObjectOutputStream.PutField	ObjectOutputStream.putFields() Retrieve the object used to buffer persistent fields to be written to the stream.
int	FilterReader.read() Reads a single character.
int	StringReader.read() Reads a single character.
int	CharArrayReader.read() Reads a single character.
int	InputStreamReader.read() Reads a single character.
int	BufferedInputStream.read() See the general contract of the read method of InputStream.
abstract int	InputStream.read() Reads the next byte of data from the input stream.
int	BufferedReader.read() Reads a single character.
int	PushbackReader.read() Reads a single character.
int	PipedReader.read() Reads the next character of data from this piped stream.
int	RandomAccessFile.read() Reads a byte of data from this file.
int	ObjectInputStream.read() Reads a byte of data.
int	SequenceInputStream.read() Reads the next byte of data from this input stream.
int	LineNumberReader.read() Read a single character.
int	FilterInputStream.read() Reads the next byte of data from this input stream.
int	FileInputStream.read() Reads a byte of data from this input stream.
int	LineNumberInputStream.read() Deprecated. Reads the next byte of data from this input stream.
int	PipedInputStream.read() Reads the next byte of data from this piped input stream.
int	PushbackInputStream.read() Reads the next byte of data from this input stream.
int	ObjectInput.read() Reads a byte of data.
int	Reader.read() Reads a single character.
int	InputStream.read(byte[] b) Reads some number of bytes from the input stream and stores them into the buffer array b.
int	RandomAccessFile.read(byte[] b) Reads up to b.length bytes of data from this file into an array of bytes.
int	DataInputStream.read(byte[] b) Reads some number of bytes from the contained input stream and stores them into the buffer array b.
int	FilterInputStream.read(byte[] b) Reads up to byte.length bytes of data from this input stream into an array of bytes.
int	FileInputStream.read(byte[] b) Reads up to b.length bytes of data from this input stream into an array of bytes.
int	ObjectInput.read(byte[] b) Reads into an array of bytes.
int	BufferedInputStream.read(byte[] b, int off, int len) Reads bytes from this byte-input stream into the specified byte array, starting at the given offset.
int	InputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from the input stream into an array of bytes.
int	RandomAccessFile.read(byte[] b, int off, int len) Reads up to len bytes of data from this file into an array of bytes.
int	ObjectInputStream.read(byte[] buf, int off, int len) Reads into an array of bytes.
int	SequenceInputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from this input stream into an array of bytes.
int	DataInputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from the contained input stream into an array of bytes.
int	FilterInputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from this input stream into an array of bytes.
int	FileInputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from this input stream into an array of bytes.
int	LineNumberInputStream.read(byte[] b, int off, int len) Deprecated. Reads up to len bytes of data from this input stream into an array of bytes.
int	PipedInputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from this piped input stream into an array of bytes.
int	PushbackInputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from this input stream into an array of bytes.
int	ObjectInput.read(byte[] b, int off, int len) Reads into an array of bytes.
int	Reader.read(char[] cbuf) Reads characters into an array.
int	FilterReader.read(char[] cbuf, int off, int len) Reads characters into a portion of an array.
int	StringReader.read(char[] cbuf, int off, int len) Reads characters into a portion of an array.
int	CharArrayReader.read(char[] b, int off, int len) Reads characters into a portion of an array.
int	InputStreamReader.read(char[] cbuf, int offset, int length) Reads characters into a portion of an array.
int	BufferedReader.read(char[] cbuf, int off, int len) Reads characters into a portion of an array.
int	PushbackReader.read(char[] cbuf, int off, int len) Reads characters into a portion of an array.
int	PipedReader.read(char[] cbuf, int off, int len) Reads up to len characters of data from this piped stream into an array of characters.
int	LineNumberReader.read(char[] cbuf, int off, int len) Read characters into a portion of an array.
abstract int	Reader.read(char[] cbuf, int off, int len) Reads characters into a portion of an array.
int	Reader.read(CharBuffer target) Attempts to read characters into the specified character buffer.
boolean	RandomAccessFile.readBoolean() Reads a boolean from this file.
boolean	ObjectInputStream.readBoolean() Reads in a boolean.
boolean	DataInputStream.readBoolean() See the general contract of the readBoolean method of DataInput.
boolean	DataInput.readBoolean() Reads one input byte and returns true if that byte is nonzero, false if that byte is zero.
byte	RandomAccessFile.readByte() Reads a signed eight-bit value from this file.
byte	ObjectInputStream.readByte() Reads an 8 bit byte.
byte	DataInputStream.readByte() See the general contract of the readByte method of DataInput.
byte	DataInput.readByte() Reads and returns one input byte.
char	RandomAccessFile.readChar() Reads a character from this file.
char	ObjectInputStream.readChar() Reads a 16 bit char.
char	DataInputStream.readChar() See the general contract of the readChar method of DataInput.
char	DataInput.readChar() Reads two input bytes and returns a char value.
protected ObjectStreamClass	ObjectInputStream.readClassDescriptor() Read a class descriptor from the serialization stream.
double	RandomAccessFile.readDouble() Reads a double from this file.
double	ObjectInputStream.readDouble() Reads a 64 bit double.
double	DataInputStream.readDouble() See the general contract of the readDouble method of DataInput.
double	DataInput.readDouble() Reads eight input bytes and returns a double value.
void	Externalizable.readExternal(ObjectInput in) The object implements the readExternal method to restore its contents by calling the methods of DataInput for primitive types and readObject for objects, strings and arrays.
ObjectInputStream.GetField	ObjectInputStream.readFields() Reads the persistent fields from the stream and makes them available by name.
float	RandomAccessFile.readFloat() Reads a float from this file.
float	ObjectInputStream.readFloat() Reads a 32 bit float.
float	DataInputStream.readFloat() See the general contract of the readFloat method of DataInput.
float	DataInput.readFloat() Reads four input bytes and returns a float value.
void	RandomAccessFile.readFully(byte[] b) Reads b.length bytes from this file into the byte array, starting at the current file pointer.
void	ObjectInputStream.readFully(byte[] buf) Reads bytes, blocking until all bytes are read.
void	DataInputStream.readFully(byte[] b) See the general contract of the readFully method of DataInput.
void	DataInput.readFully(byte[] b) Reads some bytes from an input stream and stores them into the buffer array b.
void	RandomAccessFile.readFully(byte[] b, int off, int len) Reads exactly len bytes from this file into the byte array, starting at the current file pointer.
void	ObjectInputStream.