datagramconnection.html

是MIDP 的API 查詢文件, 大家可以看一下裡面的index.html, 再用Package 或 Class 名字來查.

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<TD><B>Methods inherited from interface javax.microedition.io.<A HREF="../../../javax/microedition/io/Connection.html">Connection</A></B></TD>
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<TD><CODE><A HREF="../../../javax/microedition/io/Connection.html#close()">close</A></CODE></TD>
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<B>Method Detail</B></FONT></TD>
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<A NAME="getMaximumLength()"><!-- --></A><H3>
getMaximumLength</H3>
<PRE>
public int <B>getMaximumLength</B>()
                     throws <A HREF="../../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Get the maximum length a datagram can be.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>The maximum length a datagram can be.<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="getNominalLength()"><!-- --></A><H3>
getNominalLength</H3>
<PRE>
public int <B>getNominalLength</B>()
                     throws <A HREF="../../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Get the nominal length of a datagram.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>The nominal length a datagram can be.<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="send(javax.microedition.io.Datagram)"><!-- --></A><H3>
send</H3>
<PRE>
public void <B>send</B>(<A HREF="../../../javax/microedition/io/Datagram.html">Datagram</A>&nbsp;dgram)
          throws <A HREF="../../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Send a datagram.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dgram</CODE> - A datagram.<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/io/IOException.html">IOException</A></CODE> - If an I/O error occurs.<DD><CODE><A HREF="../../../java/io/InterruptedIOException.html">InterruptedIOException</A></CODE> - Timeout or upon closing the
                                   connection with outstanding I/O.</DL>
</DD>
</DL>
<HR>

<A NAME="receive(javax.microedition.io.Datagram)"><!-- --></A><H3>
receive</H3>
<PRE>
public void <B>receive</B>(<A HREF="../../../javax/microedition/io/Datagram.html">Datagram</A>&nbsp;dgram)
             throws <A HREF="../../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Receive a datagram.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dgram</CODE> - A datagram.<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/io/IOException.html">IOException</A></CODE> - If an I/O error occurs.<DD><CODE><A HREF="../../../java/io/InterruptedIOException.html">InterruptedIOException</A></CODE> - Timeout or upon closing the
                                   connection with outstanding I/O.</DL>
</DD>
</DL>
<HR>

<A NAME="newDatagram(int)"><!-- --></A><H3>
newDatagram</H3>
<PRE>
public <A HREF="../../../javax/microedition/io/Datagram.html">Datagram</A> <B>newDatagram</B>(int&nbsp;size)
                     throws <A HREF="../../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Make a new datagram object automatically allocating a buffer.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>size</CODE> - The length of the buffer to be allocated 
                         for the datagram<DT><B>Returns:</B><DD>A new datagram<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/io/IOException.html">IOException</A></CODE> - If an I/O error occurs.<DD><CODE><A HREF="../../../java/lang/IllegalArgumentException.html">IllegalArgumentException</A></CODE> - if the length is negative
                                     or larger than the buffer</DL>
</DD>
</DL>
<HR>

<A NAME="newDatagram(int, java.lang.String)"><!-- --></A><H3>
newDatagram</H3>
<PRE>
public <A HREF="../../../javax/microedition/io/Datagram.html">Datagram</A> <B>newDatagram</B>(int&nbsp;size,
                            <A HREF="../../../java/lang/String.html">String</A>&nbsp;addr)
                     throws <A HREF="../../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Make a new datagram object.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>size</CODE> - The length of the buffer to be used<DD><CODE>addr</CODE> - The I/O address to which the datagram
                         will be sent<DT><B>Returns:</B><DD>A new datagram<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/io/IOException.html">IOException</A></CODE> - If an I/O error occurs.<DD><CODE><A HREF="../../../java/lang/IllegalArgumentException.html">IllegalArgumentException</A></CODE> - if the length is negative or
                         larger than the buffer, or if the address 
                         parameter is invalid</DL>
</DD>
</DL>
<HR>

<A NAME="newDatagram(byte[], int)"><!-- --></A><H3>
newDatagram</H3>
<PRE>
public <A HREF="../../../javax/microedition/io/Datagram.html">Datagram</A> <B>newDatagram</B>(byte[]&nbsp;buf,
                            int&nbsp;size)
                     throws <A HREF="../../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Make a new datagram object.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>buf</CODE> - The buffer to be used in the datagram<DD><CODE>size</CODE> - The length of the buffer to be allocated
                         for the datagram<DT><B>Returns:</B><DD>A new datagram<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/io/IOException.html">IOException</A></CODE> - If an I/O error occurs.<DD><CODE><A HREF="../../../java/lang/IllegalArgumentException.html">IllegalArgumentException</A></CODE> - if the length is negative or
                         larger than the buffer, or if the buffer
                         parameter is invalid</DL>
</DD>
</DL>
<HR>

<A NAME="newDatagram(byte[], int, java.lang.String)"><!-- --></A><H3>
newDatagram</H3>
<PRE>
public <A HREF="../../../javax/microedition/io/Datagram.html">Datagram</A> <B>newDatagram</B>(byte[]&nbsp;buf,
                            int&nbsp;size,
                            <A HREF="../../../java/lang/String.html">String</A>&nbsp;addr)
                     throws <A HREF="../../../java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Make a new datagram object.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>buf</CODE> - The buffer to be used in the datagram<DD><CODE>size</CODE> - The length of the buffer to be used<DD><CODE>addr</CODE> - The I/O address to which the datagram
                         will be sent<DT><B>Returns:</B><DD>A new datagram<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/io/IOException.html">IOException</A></CODE> - If an I/O error occurs.<DD><CODE><A HREF="../../../java/lang/IllegalArgumentException.html">IllegalArgumentException</A></CODE> - if the length is negative or
                         larger than the buffer, or if the address
                         or buffer parameters is invalid</DL>
</DD>
</DL>
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