📄 readmulticast.htm

📁 这个压缩包里的都是超级经典的java例子
💻 HTM
字号:
<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<TITLE>Receiving from a Multicast Group (Java Developers Almanac Example)
</TITLE>
<META CONTENT="Patrick Chan" NAME="AUTHOR">
<META CONTENT="Code Examples from The Java Developers Almanac 1.4" NAME="DESCRIPTION">
<META CONTENT="Addison-Wesley/Patrick Chan" NAME="OWNER">
<META CONTENT="3/20/02" NAME="revision">
<META CONTENT="no-cache" HTTP-EQUIV="Pragma">
<LINK href="/almanac.css" media="screen" type="text/css" rel="stylesheet">
</HEAD>
<BODY>
<TABLE CELLSPACING="0" CELLPADDING="0" BORDER="0">
<TR>
<TD></TD>
</TR>
</TABLE>
<br>
<TABLE CELLSPACING="0" CELLPADDING="0" BORDER="0">
<TR>
<TD></TD>
</TR>
<TR>
<TD rowspan="3"><A HREF="/?l=ex"><IMG BORDER="0" ALIGN="BOTTOM" HSPACE="10" SRC="/egs/almanac14a.jpg"></A></TD><TD VALIGN="top">
<h1>The Java Developers Almanac 1.4</h1>
<br>
        Order this book from <a href="/cgi-bin/scripts/redirect.pl?l=ex&url=http://www.amazon.com/exec/obidos/ASIN/0201752808/xeo">Amazon</a>.
    </TD>
</TR>
<TR>
<TD align="right" valign="bottom">
<FORM method="get" action="/cgi-bin/search/find.pl">
<INPUT size="25" name="words" type="text"><INPUT value="Search" type="submit">
</FORM>
</TD>
</TR>
</TABLE>
<HR color="#6666cc">
<TABLE CELLSPACING="0" CELLPADDING="0" BORDER="0">
<TR>
<TD valign="top"><script type="text/javascript">
<!--
google_ad_client = "pub-6001183370374757";
google_ad_width = 120;
google_ad_height = 600;
google_ad_format = "120x600_as";
google_ad_channel = "4777242811";
google_ad_type = "text_image";
google_color_border = "FFFFFF";
google_color_bg = "FFFFFF";
google_color_link = "6666CC";
google_color_url = "6666CC";
google_color_text = "000000";
//--></script><script src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type="text/javascript"></script></TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD valign="top">
<DIV ALIGN="LEFT">
<A HREF="/">Home</A>
    &gt;
    <A HREF="../index.html">List of Packages</A>
    &gt;

    
    <A HREF="../java.net/pkg.html">java.net</A><font color="#666666" class="xsmall-font">
        &nbsp;[27 examples]
    </font>
        &gt;
        <B><A HREF="../java.net/pkg.html#Multicast">Multicast</A></B><font color="#666666" class="xsmall-font">
            &nbsp;[3 examples]
            </font>
</DIV><P>
  <h3>e154. Receiving from a Multicast Group</h3>

Once you've created a multicast socket and joined the group,
all datagrams sent to its corresponding multicast address
will be available to be read from the socket.
You can read from the socket just like you would from a unicast socket.

<pre>    public void read(MulticastSocket msocket, byte[] inbuf) {
        try {
            DatagramPacket packet = new DatagramPacket(inbuf, inbuf.length);
    
            // Wait for packet
            msocket.receive(packet);
    
            // Data is now in inbuf
            int numBytesReceived = packet.getLength();
        } catch (IOException e) {
        }
    }
</pre>
<P><table width="600" CELLSPACING="0" CELLPADDING="2" BORDER="0">
<tr>
<td bgcolor="#6666cc" align="center"><font color="#ffffff">
            &nbsp;<b>Related Examples</b></font></td>
</tr>
</table>


e153. <a class="eglink" href="JoinMulticastGroup.html?l=rel">
    Joining a Multicast Group
</a>
<br>

e155. <a class="eglink" href="WriteMulticast.html?l=rel">
    Sending to a Multicast Group
</a>
<br>


<table width="600" CELLSPACING="0" CELLPADDING="2" BORDER="0">
<tr>
<td align="left">
<br>
        See also: 
<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Datagram">
    Datagram
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Encodings">
    Encodings
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/java.net/pkg.html?l=rel#HTTP">
    HTTP
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Hostnames%20and%20IP%20Addresses">
    Hostnames and IP Addresses
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Sockets">
    Sockets
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/java.net/pkg.html?l=rel#URLs">
    URLs
</a>&nbsp;&nbsp;

</td>
</tr>
</table>

<br>

<br>
<FONT class="xsmall-font">
&copy; 2002 Addison-Wesley.
</FONT></TD><TD>&nbsp;&nbsp;&nbsp;</TD><TD valign="top"><A href="http://compositesw.com/devzone?ref=javaalmanac"><IMG alt="Click Here" height="600" width="120" border="0" src="/csw_oad_120x600_final.gif"></A></TD>
</TR>
</TABLE>
</BODY>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<META CONTENT="NO-CACHE" HTTP-EQUIV="PRAGMA">
</HEAD>
</HTML>
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -