java.io
Interface DataOutput

All Known Implementing Classes:

DataOutputStream, RandomAccessFile

public interface DataOutput

DataOutput is an interface describing streams that can write output in a machine-independent format.

See Also:

DataOutputStream, DataInput

Method Summary

void	write(byte[] b) Writes an array of bytes.
void	write(byte[] b, int off, int len) Writes a subarray of bytes.
void	write(int b) Writes a byte.
void	writeBoolean(boolean v) Writes a boolean.
void	writeByte(int v) Writes an 8 bit byte.
void	writeBytes(String s) Writes a String as a sequence of bytes.
void	writeChar(int v) Writes a 16 bit char.
void	writeChars(String s) Writes a String as a sequence of chars.
void	writeDouble(double v) Writes a 64 bit double.
void	writeFloat(float v) Writes a 32 bit float.
void	writeInt(int v) Writes a 32 bit int.
void	writeLong(long v) Writes a 64 bit long.
void	writeShort(int v) Writes a 16 bit short.
void	writeUTF(String str) Writes a String in UTF format.

Method Detail

write

public void write(int b)
           throws IOException

Writes a byte. Will block until the byte is actually written.

Parameters:

b - the byte to be written

Throws:

IOException - If an I/O error has occurred.

write

public void write(byte[] b)
           throws IOException

Writes an array of bytes.

Parameters:

b - the data to be written

Throws:

IOException - If an I/O error has occurred.

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException

Writes a subarray of bytes.

Parameters:

b - the data to be written

off - the start offset in the data

len - the number of bytes that are written

Throws:

IOException - If an I/O error has occurred.

writeBoolean

public void writeBoolean(boolean v)
                  throws IOException

Writes a boolean.

Parameters:

v - the boolean to be written

IOException

writeByte

public void writeByte(int v)
               throws IOException

Writes an 8 bit byte.

Parameters:

v - the byte value to be written

IOException

writeShort

public void writeShort(int v)
                throws IOException

Writes a 16 bit short.

Parameters:

v - the short value to be written

IOException

writeChar

public void writeChar(int v)
               throws IOException

Writes a 16 bit char.

Parameters:

v - the char value to be written

IOException

writeInt

public void writeInt(int v)
              throws IOException

Writes a 32 bit int.

Parameters:

v - the integer value to be written

IOException

writeLong

public void writeLong(long v)
               throws IOException

Writes a 64 bit long.

Parameters:

v - the long value to be written

IOException

writeFloat

public void writeFloat(float v)
                throws IOException

Writes a 32 bit float.

Parameters:

v - the float value to be written

IOException

writeDouble

public void writeDouble(double v)
                 throws IOException

Writes a 64 bit double.

Parameters:

v - the double value to be written

IOException

writeBytes

public void writeBytes(String s)
                throws IOException

Writes a String as a sequence of bytes.

Parameters:

s - the String of bytes to be written

IOException

writeChars

public void writeChars(String s)
                throws IOException

Writes a String as a sequence of chars.

Parameters:

s - the String of chars to be written

IOException

writeUTF

public void writeUTF(String str)
              throws IOException

Writes a String in UTF format.

Parameters:

str - the String in UTF format

IOException