获取本地主机名

/** 
来 自 
N o w J a v a . c o m
**/

//package com.nowjava;

import java.net.InetAddress;

import java.net.UnknownHostException;


public class Main {

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

        System.out.println(getLocalHostName());

    }


    public static String getLocalHostName() throws UnknownHostException {

        try {

            return (InetAddress.getLocalHost()).getHostName();

        } catch (UnknownHostException uhe) {

            String host = uhe.getMessage(); // host = "hostname: hostname"

            if (host != null) {

                int colon = host.indexOf(':');

                if (colon