Java 获取主机名

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//package com.nowjava;

/* 

 来自 

*N o w  J a v a  .   c o m*/

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import java.net.InetAddress;

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import java.net.UnknownHostException;

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public class Main {

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    public static void main(String[] argv) throws Exception {

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        System.out.println(getHostName());

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    }

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    public static String getHostName() {

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        String server = null;

/** N o w J a v a . c o m 提 供 **/

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        // Obtain server name of local host

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        try {

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            final InetAddress localMachine = InetAddress.getLocalHost();

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            server = localMachine.getHostName();

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        } catch (final UnknownHostException e) {

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            server = "Unknown";

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        }

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        return server;

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    }

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    public static String getHostName(String ipAddress) {

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        String server = null;

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        try {

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            // Get hostname by textual representation of IP address

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            final InetAddress addr = InetAddress.getByName(ipAddress);

/**代码未完, 请加载全部代码(NowJava.com).**/