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获取主机名
//package com.nowjava; /* 来自 *N o w J a v a . c o m*/ import java.net.InetAddress; import java.net.UnknownHostException; public class Main { public static void main(String[] argv) throws Exception { System.out.println(getHostName()); } public static String getHostName() { String server = null; /** N o w J a v a . c o m 提 供 **/ // Obtain server name of local host try { final InetAddress localMachine = InetAddress.getLocalHost(); server = localMachine.getHostName(); } catch (final UnknownHostException e) { server = "Unknown"; } return server; } public static String getHostName(String ipAddress) { String server = null; try { // Get hostname by textual representation of IP address final InetAddress addr =