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<TITLE>Getting the IP Address of a Hostname
(Java Developers Almanac Example)
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<h3>
e144.
Getting the IP Address of a Hostname</h3>
<pre>
try {
InetAddress addr = InetAddress.getByName(<font color="#0066ff"><i>"javaalmanac.com"</i></font>);
byte[] ipAddr = addr.getAddress();
// Convert to dot representation
String ipAddrStr = "";
for (int i=0; i<ipAddr.length; i++) {
if (i > 0) {
ipAddrStr += ".";
}
ipAddrStr += ipAddr[i]&0xFF;
}
} catch (UnknownHostException e) {
}
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Related Examples
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e145. <a class="eglink" href="GetHostname.html?l=rel">
Getting the Hostname of an IP Address
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e146. <a class="eglink" href="Local.html?l=rel">
Getting the IP Address and Hostname of the Local Machine
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See also:
<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Datagram">
Datagram
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Encodings">
Encodings
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#HTTP">
HTTP
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Multicast">
Multicast
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Sockets">
Sockets
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#URLs">
URLs
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