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 method of interface <code>DataInput</code>, which will then return a <code>boolean</code> equal to <code>v</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>v</CODE> - the boolean to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeByte(int)"><!-- --></A><H3>writeByte</H3><PRE>public void <B>writeByte</B>(int&nbsp;v)               throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes to the output stream the eight low- order bits of the argument <code>v</code>. The 24 high-order bits of <code>v</code> are ignored. (This means  that <code>writeByte</code> does exactly the same thing as <code>write</code> for an integer argument.) The byte written by this method may be read by the <code>readByte</code> method of interface <code>DataInput</code>, which will then return a <code>byte</code> equal to <code>(byte)v</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>v</CODE> - the byte value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeShort(int)"><!-- --></A><H3>writeShort</H3><PRE>public void <B>writeShort</B>(int&nbsp;v)                throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes two bytes to the output stream to represent the value of the argument. The byte values to be written, in the  order shown, are: <p> <pre><code> (byte)(0xff &amp; (v &gt;&gt; 8)) (byte)(0xff &amp; v) </code> </pre> <p> The bytes written by this method may be read by the <code>readShort</code> method of interface <code>DataInput</code> , which will then return a <code>short</code> equal to <code>(short)v</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>v</CODE> - the <code>short</code> value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeChar(int)"><!-- --></A><H3>writeChar</H3><PRE>public void <B>writeChar</B>(int&nbsp;v)               throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes a <code>char</code> value, wich is comprised of two bytes, to the output stream. The byte values to be written, in the  order shown, are: <p><pre><code> (byte)(0xff &amp; (v &gt;&gt; 8)) (byte)(0xff &amp; v) </code></pre><p> The bytes written by this method may be read by the <code>readChar</code> method of interface <code>DataInput</code> , which will then return a <code>char</code> equal to <code>(char)v</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>v</CODE> - the <code>char</code> value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeInt(int)"><!-- --></A><H3>writeInt</H3><PRE>public void <B>writeInt</B>(int&nbsp;v)              throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes an <code>int</code> value, which is comprised of four bytes, to the output stream. The byte values to be written, in the  order shown, are: <p><pre><code> (byte)(0xff &amp; (v &gt;&gt; 24)) (byte)(0xff &amp; (v &gt;&gt; 16)) (byte)(0xff &amp; (v &gt;&gt; &#32; &#32;8)) (byte)(0xff &amp; v) </code></pre><p> The bytes written by this method may be read by the <code>readInt</code> method of interface <code>DataInput</code> , which will then return an <code>int</code> equal to <code>v</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>v</CODE> - the <code>int</code> value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeLong(long)"><!-- --></A><H3>writeLong</H3><PRE>public void <B>writeLong</B>(long&nbsp;v)               throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes an <code>long</code> value, which is comprised of four bytes, to the output stream. The byte values to be written, in the  order shown, are: <p><pre><code> (byte)(0xff &amp; (v &gt;&gt; 48)) (byte)(0xff &amp; (v &gt;&gt; 40)) (byte)(0xff &amp; (v &gt;&gt; 32)) (byte)(0xff &amp; (v &gt;&gt; 24)) (byte)(0xff &amp; (v &gt;&gt; 16)) (byte)(0xff &amp; (v &gt;&gt;  8)) (byte)(0xff &amp; v) </code></pre><p> The bytes written by this method may be read by the <code>readLong</code> method of interface <code>DataInput</code> , which will then return a <code>long</code> equal to <code>v</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>v</CODE> - the <code>long</code> value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeFloat(float)"><!-- --></A><H3>writeFloat</H3><PRE>public void <B>writeFloat</B>(float&nbsp;v)                throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes a <code>float</code> value, which is comprised of four bytes, to the output stream. It does this as if it first converts this <code>float</code> value to an <code>int</code> in exactly the manner of the <code>Float.floatToIntBits</code> method  and then writes the <code>int</code> value in exactly the manner of the  <code>writeInt</code> method.  The bytes written by this method may be read by the <code>readFloat</code> method of interface <code>DataInput</code>, which will then return a <code>float</code> equal to <code>v</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>v</CODE> - the <code>float</code> value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeDouble(double)"><!-- --></A><H3>writeDouble</H3><PRE>public void <B>writeDouble</B>(double&nbsp;v)                 throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes a <code>double</code> value, which is comprised of eight bytes, to the output stream. It does this as if it first converts this <code>double</code> value to a <code>long</code> in exactly the manner of the <code>Double.doubleToLongBits</code> method  and then writes the <code>long</code> value in exactly the manner of the  <code>writeLong</code> method. The bytes written by this method may be read by the <code>readDouble</code> method of interface <code>DataInput</code>, which will then return a <code>double</code> equal to <code>v</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>v</CODE> - the <code>double</code> value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeBytes(java.lang.String)"><!-- --></A><H3>writeBytes</H3><PRE>public void <B>writeBytes</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;s)                throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes a string to the output stream. For every character in the string <code>s</code>,  taken in order, one byte is written to the output stream.  If <code>s</code> is <code>null</code>, a <code>NullPointerException</code> is thrown.<p>  If <code>s.length</code> is zero, then no bytes are written. Otherwise, the character <code>s[0]</code> is written first, then <code>s[1]</code>, and so on; the last character written is <code>s[s.length-1]</code>. For each character, one byte is written, the low-order byte, in exactly the manner of the <code>writeByte</code> method . The high-order eight bits of each character in the string are ignored.<DD><DL><DT><B>Parameters:</B><DD><CODE>s</CODE> - the string of bytes to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeChars(java.lang.String)"><!-- --></A><H3>writeChars</H3><PRE>public void <B>writeChars</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;s)                throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes every character in the string <code>s</code>, to the output stream, in order, two bytes per character. If <code>s</code> is <code>null</code>, a <code>NullPointerException</code> is thrown.  If <code>s.length</code> is zero, then no characters are written. Otherwise, the character <code>s[0]</code> is written first, then <code>s[1]</code>, and so on; the last character written is <code>s[s.length-1]</code>. For each character, two bytes are actually written, high-order byte first, in exactly the manner of the <code>writeChar</code> method.<DD><DL><DT><B>Parameters:</B><DD><CODE>s</CODE> - the string value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><HR><A NAME="writeUTF(java.lang.String)"><!-- --></A><H3>writeUTF</H3><PRE>public void <B>writeUTF</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;str)              throws <A HREF="../../java/io/IOException.html">IOException</A></PRE><DL><DD>Writes two bytes of length information to the output stream, followed by the Java modified UTF representation of  every character in the string <code>s</code>. If <code>s</code> is <code>null</code>, a <code>NullPointerException</code> is thrown. Each character in the string <code>s</code> is converted to a group of one, two, or three bytes, depending on the value of the character.<p> If a character <code>c</code> is in the range <code>&#92;u0001</code> through <code>&#92;u007f</code>, it is represented by one byte:<p> <pre>(byte)c </pre>  <p> If a character <code>c</code> is <code>&#92;u0000</code> or is in the range <code>&#92;u0080</code> through <code>&#92;u07ff</code>, then it is represented by two bytes, to be written in the order shown:<p> <pre><code> (byte)(0xc0 | (0x1f &amp; (c &gt;&gt; 6))) (byte)(0x80 | (0x3f &amp; c))  </code></pre>  <p> If a character <code>c</code> is in the range <code>&#92;u0800</code> through <code>uffff</code>, then it is represented by three bytes, to be written in the order shown:<p> <pre><code> (byte)(0xe0 | (0x0f &amp; (c &gt;&gt; 12))) (byte)(0x80 | (0x3f &amp; (c &gt;&gt;  6))) (byte)(0x80 | (0x3f &amp; c))  </code></pre>  <p> First, the total number of bytes needed to represent all the characters of <code>s</code> is calculated. If this number is larger than <code>65535</code>, then a <code>UTFDataFormatError</code> is thrown. Otherwise, this length is written to the output stream in exactly the manner of the <code>writeShort</code> method; after this, the one-, two-, or three-byte representation of each character in the string <code>s</code> is written.<p>  The bytes written by this method may be read by the <code>readUTF</code> method of interface <code>DataInput</code> , which will then return a <code>String</code> equal to <code>s</code>.<DD><DL><DT><B>Parameters:</B><DD><CODE>str</CODE> - the string value to be written.<DT><B>Throws:</B><DD><CODE><A HREF="../../java/io/IOException.html">IOException</A></CODE> - if an I/O error occurs.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/DataOutput.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup>&nbsp;2&nbsp;Platform<br>Std.&nbsp;Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;<A HREF="../../java/io/DataInput.html"><B>PREV CLASS</B></A>&nbsp;&nbsp;<A HREF="../../java/io/Externalizable.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">  <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="DataOutput.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">  SUMMARY: &nbsp;INNER&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: &nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><font size="-1"><a href="http://java.sun.com/cgi-bin/bugreport.cgi">Submit a bug or feature</a><br>For further API reference and developer documentation, see <a href="http://java.sun.com/products/jdk/1.3/devdocs-vs-specs.html">Java 2 SDK SE Developer Documentation</a>. 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