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Uses of Class
java.io.IOException

Packages that use IOException
java.io   
javax.microedition.io   
 

Uses of IOException in java.io
 

Subclasses of IOException in java.io
 class EOFException
          Signals that an end of file or end of stream has been reached unexpectedly during input.
 class InterruptedIOException
          Signals that an I/O operation has been interrupted.
 class UnsupportedEncodingException
          The Character Encoding is not supported.
 class UTFDataFormatException
          Signals that a malformed UTF-8 string has been read in a data input stream or by any class that implements the data input interface.
 

Methods in java.io that throw IOException
 int DataInputStream.available()
          Returns the number of bytes that can be read from this input stream without blocking.
 int InputStream.available()
          Returns 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.
 void ByteArrayOutputStream.close()
          Closes this output stream and releases any system resources associated with this stream.
 void DataInputStream.close()
          Closes this input stream and releases any system resources associated with the stream.
abstract  void Reader.close()
          Close the stream.
 void InputStream.close()
          Closes this input stream and releases any system resources associated with the stream.
abstract  void Writer.close()
          Close the stream, flushing it first.
 void DataOutputStream.close()
          Closes this output stream and releases any system resources associated with the stream.
 void OutputStreamWriter.close()
          Close the stream.
 void InputStreamReader.close()
          Close the stream.
 void OutputStream.close()
          Closes this output stream and releases any system resources associated with this stream.
 void ByteArrayInputStream.close()
          Closes this input stream and releases any system resources associated with the stream.
abstract  void Writer.flush()
          Flush the stream.
 void DataOutputStream.flush()
          Flushes this data output stream.
 void OutputStreamWriter.flush()
          Flush the stream.
 void OutputStream.flush()
          Flushes this output stream and forces any buffered output bytes to be written out.
 void Reader.mark(int readAheadLimit)
          Mark the present position in the stream.
 void InputStreamReader.mark(int readAheadLimit)
          Mark the present position in the stream.
 int DataInputStream.read()
          Reads the next byte of data from this input stream.
 int Reader.read()
          Read a single character.
abstract  int InputStream.read()
          Reads the next byte of data from the input stream.
 int DataInputStream.read(byte[] b)
          See the general contract of the read method of DataInput.
 int InputStream.read(byte[] b)
          Reads some number of bytes from the input stream and stores them into the buffer array b.
 int DataInputStream.read(byte[] b, int off, int len)
          Reads up to len bytes of data from this input stream into an array of bytes.
 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 Reader.read(char[] cbuf)
          Read characters into an array.
abstract  int Reader.read(char[] cbuf, int off, int len)
          Read characters into a portion of an array.
 int InputStreamReader.read(char[] cbuf, int off, int len)
          Read characters into a portion of an array.
 boolean DataInput.readBoolean()
          Reads one input byte and returns true if that byte is nonzero, false if that byte is zero.
 boolean DataInputStream.readBoolean()
          See the general contract of the readBoolean method of DataInput.
 byte DataInput.readByte()
          Reads and returns one input byte.
 byte DataInputStream.readByte()
          See the general contract of the readByte method of DataInput.
 char DataInput.readChar()
          Reads an input char and returns the char value.
 char DataInputStream.readChar()
          See the general contract of the readChar method of DataInput.
 double DataInput.readDouble()
          Reads eight input bytes and returns a double value.
 double DataInputStream.readDouble()
          See the general contract of the readDouble method of DataInput.
 float DataInput.readFloat()
          Reads four input bytes and returns a float value.
 float DataInputStream.readFloat()
          See the general contract of the readFloat method of DataInput.
 void DataInput.readFully(byte[] b)
          Reads some bytes from an input stream and stores them into the buffer array b.
 void DataInputStream.readFully(byte[] b)
          See the general contract of the readFully method of DataInput.
 void DataInput.readFully(byte[] b, int off, int len)
          Reads len bytes from an input stream.
 void DataInputStream.readFully(byte[] b, int off, int len)
          See the general contract of the readFully method of DataInput.
 int DataInput.readInt()
          Reads four input bytes and returns an int value.
 int DataInputStream.readInt()
          See the general contract of the readInt method of DataInput.
 long DataInput.readLong()
          Reads eight input bytes and returns a long value.
 long DataInputStream.readLong()
          See the general contract of the readLong method of DataInput.
 short DataInput.readShort()
          Reads two input bytes and returns a short value.
 short DataInputStream.readShort()
          See the general contract of the readShort method of DataInput.
 int DataInput.readUnsignedByte()
          Reads one input byte, zero-extends it to type int, and returns the result, which is therefore in the range 0 through 255.
 int DataInputStream.readUnsignedByte()
          See the general contract of the readUnsignedByte method of DataInput.
 int DataInput.readUnsignedShort()
          Reads two input bytes, zero-extends it to type int, and returns an int value in the range 0 through 65535.
 int DataInputStream.readUnsignedShort()
          See the general contract of the readUnsignedShort method of DataInput.
 String DataInput.readUTF()
          Reads in a string that has been encoded using a modified UTF-8 format.
 String DataInputStream.readUTF()
          See the general contract of the readUTF method of DataInput.
static String DataInputStream.readUTF(DataInput in)
          Reads from the stream in a representation of a Unicode character string encoded in Java modified UTF-8 format; this string of characters is then returned as a String.
 boolean Reader.ready()
          Tell whether this stream is ready to be read.
 boolean InputStreamReader.ready()
          Tell whether this stream is ready to be read.
 void DataInputStream.reset()
          Repositions this stream to the position at the time the mark method was last called on this input stream.
 void Reader.reset()
          Reset the stream.
 void InputStream.reset()
          Repositions this stream to the position at the time the mark method was last called on this input stream.
 void InputStreamReader.reset()
          Reset the stream.
 long DataInputStream.skip(long n)
          Skips over and discards n bytes of data from the input stream.
 long Reader.skip(long n)
          Skip characters.
 long InputStream.skip(long n)
          Skips over and discards n bytes of data from this input stream.
 int DataInput.skipBytes(int n)
          Makes an attempt to skip over n bytes of data from the input stream, discarding the skipped bytes.
 int DataInputStream.skipBytes(int n)
          See the general contract of the skipBytes method of DataInput.
 void DataOutput.write(byte[] b)
          Writes to the output stream all the bytes in array b.
 void OutputStream.write(byte[] b)
          Writes b.length bytes from the specified byte array to this output stream.
 void DataOutput.write(byte[] b, int off, int len)
          Writes len bytes from array b, in order, to the output stream.
 void DataOutputStream.write(byte[] b, int off, int len)
          Writes len bytes from the specified byte array starting at offset off to the underlying output stream.
 void OutputStream.write(byte[] b, int off, int len)
          Writes len bytes from the specified byte array starting at offset off to this output stream.
 void Writer.write(char[] cbuf)
          Write an array of characters.
abstract  void Writer.write(char[] cbuf, int off, int len)
          Write a portion of an array of characters.
 void OutputStreamWriter.write(char[] cbuf, int off, int len)
          Write a portion of an array of characters.
 void Writer.write(int c)
          Write a single character.
 void DataOutput.write(int b)
          Writes to the output stream the eight low-order bits of the argument b.
 void DataOutputStream.write(int b)
          Writes the specified byte (the low eight bits of the argument b) to the underlying output stream.
abstract  void OutputStream.write(int b)
          Writes the specified byte to this output stream.
 void Writer.write(String str)
          Write a string.
 void Writer.write(String str, int off, int len)
          Write a portion of a string.
 void DataOutput.writeBoolean(boolean v)
          Writes a boolean value to this output stream.
 void DataOutputStream.writeBoolean(boolean v)
          Writes a boolean to the underlying output stream as a 1-byte value.
 void DataOutput.writeByte(int v)
          Writes to the output stream the eight low- order bits of the argument v.
 void DataOutputStream.writeByte(int v)
          Writes out a byte to the underlying output stream as a 1-byte value.
 void DataOutput.writeChar(int v)
          Writes a char value, which is comprised of two bytes, to the output stream.
 void DataOutputStream.writeChar(int v)
          Writes a char to the underlying output stream as a 2-byte value, high byte first.
 void DataOutput.writeChars(String s)
          Writes every character in the string s, to the output stream, in order, two bytes per character.
 void DataOutputStream.writeChars(String s)
          Writes a string to the underlying output stream as a sequence of characters.
 void DataOutput.writeDouble(double v)
          Writes a double value, which is comprised of eight bytes, to the output stream.
 void DataOutputStream.writeDouble(double v)
          Converts the double argument to a long using the doubleToLongBits method in class Double, and then writes that long value to the underlying output stream as an 8-byte quantity, high byte first.
 void DataOutput.writeFloat(float v)
          Writes a float value, which is comprised of four bytes, to the output stream.
 void DataOutputStream.writeFloat(float v)
          Converts the float argument to an int using the floatToIntBits method in class Float, and then writes that int value to the underlying output stream as a 4-byte quantity, high byte first.
 void DataOutput.writeInt(int v)
          Writes an int value, which is comprised of four bytes, to the output stream.
 void DataOutputStream.writeInt(int v)
          Writes an int to the underlying output stream as four bytes, high byte first.
 void DataOutput.writeLong(long v)
          Writes an long value, which is comprised of four bytes, to the output stream.
 void DataOutputStream.writeLong(long v)
          Writes a long to the underlying output stream as eight bytes, high byte first.
 void DataOutput.writeShort(int v)
          Writes two bytes to the output stream to represent the value of the argument.
 void DataOutputStream.writeShort(int v)
          Writes a short to the underlying output stream as two bytes, high byte first.
 void DataOutput.writeUTF(String s)
          Writes two bytes of length information to the output stream, followed by the Java modified UTF representation of every character in the string s.
 void DataOutputStream.writeUTF(String str)
          Writes a string to the underlying output stream using UTF-8 encoding in a machine-independent manner.
 

Uses of IOException in javax.microedition.io
 

Subclasses of IOException in javax.microedition.io
 class ConnectionNotFoundException
          This class is used to signal that a connection target cannot be found, or the protocol type is not supported.
 

Methods in javax.microedition.io that throw IOException
 StreamConnection StreamConnectionNotifier.acceptAndOpen()
          Returns a StreamConnection object that represents a server side socket connection.
 void Connection.close()
          Close the connection.
 int DatagramConnection.getMaximumLength()
          Get the maximum length a datagram can be.
 int DatagramConnection.getNominalLength()
          Get the nominal length of a datagram.
 Datagram DatagramConnection.newDatagram(byte[] buf, int size)
          Create a new datagram object.
 Datagram DatagramConnection.newDatagram(byte[] buf, int size, String addr)
          Make a new datagram object.
 Datagram DatagramConnection.newDatagram(int size)
          Create a new datagram object.
 Datagram DatagramConnection.newDatagram(int size, String addr)
          Create a new datagram object.
static Connection Connector.open(String name)
          Create and open a Connection.
static Connection Connector.open(String name, int mode)
          Create and open a Connection.
static Connection Connector.open(String name, int mode, boolean timeouts)
          Create and open a Connection.
 DataInputStream InputConnection.openDataInputStream()
          Open and return a data input stream for a connection.
static DataInputStream Connector.openDataInputStream(String name)
          Create and open a connection input stream.
 DataOutputStream OutputConnection.openDataOutputStream()
          Open and return a data output stream for a connection.
static DataOutputStream Connector.openDataOutputStream(String name)
          Create and open a connection output stream.
 InputStream InputConnection.openInputStream()
          Open and return an input stream for a connection.
static InputStream Connector.openInputStream(String name)
          Create and open a connection input stream.
 OutputStream OutputConnection.openOutputStream()
          Open and return an output stream for a connection.
static OutputStream Connector.openOutputStream(String name)
          Create and open a connection output stream.
 void DatagramConnection.receive(Datagram dgram)
          Receive a datagram.
 void DatagramConnection.send(Datagram dgram)
          Send a datagram.
 void Datagram.setAddress(String addr)
          Set datagram address.
 

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