Submitted on: 6/22/1998 By: Level: Not Given User Rating:
By 101 Users Compatibility:Java (JDK 1.1)
Users have accessed this code 10213 times.
How do I convert a numeric IP address like 199.1.32.90 into a hostname like star.blackstar.com?
Unfortunately due to an unintended side effect (i.e. a bug) in Java's caching of IP addresses and hostnames, Java 1.0 can't convert numeric IP addresses into hostnames. However this is straightforward in Java 1.1. For example,
(Java FAQ:found on the web at:http://sunsite.unc.edu/javafaq/javafaq.html)
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//**************************************
//
// Name: Convert IP into hostname
// Description:How do I convert a numeri
// c IP address like 199.1.32.90 into a hos
// tname like star.blackstar.com?
Unfortunately due to an unintended side effect (i.e. a bug) in Java's caching of IP addresses and hostnames, Java 1.0 can't convert numeric IP addresses into hostnames. However this is straightforward in Java 1.1. For example,
(Java FAQ:found on the web at:http://sunsite.unc.edu/javafaq/javafaq.html)
// By:
//**************************************
//
String hostname = InetAddress.getByName("199.1.32.90").getHostName()
