22.21

java.io.DataOutputStream

THE PACKAGE JAVA.IO

22.21 The Class

java.io.DataOutputStream

A data output stream provides facilities for converting data of diverse types into

character sequence of specific formats that are then sent to some output stream.

public class DataOutputStream extends FilterOutputStream

implements DataOutput {

protected int written;

public DataOutputStream(OutputStream out);

public void write(int b) throws IOException;

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

throws IOException, NullPointerException,

IndexOutOfBoundsException;

public void flush() throws IOException;

public final void writeBoolean(boolean v) throws IOException;

public final void writeByte(int v) throws IOException;

public final void writeShort(int v) throws IOException;

public final void writeChar(int v) throws IOException;

public final void writeInt(int v) throws IOException;

public final void writeLong(long v) throws IOException;

public final void writeFloat(float v) throws IOException;

public final void writeDouble(double v) throws IOException;

public final void writeBytes(String s)

throws IOException, NullPointerException;

public final void writeChars(String s)

throws IOException, NullPointerException;

public final void writeUTF(String str)

throws IOException, NullPointerException;

public final int size();

}

22.21.1

protected int written;

This field contains the number of bytes written to the stream so far.

22.21.2

public DataOutputStream(OutputStream out)

This constructor initializes a newly created

DataOutputStream

 by saving its

argument, the output stream

out

, for later use. The counter

written

 is set to zero.

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