java获取本地ip和根据主机名获取ip

import java.net.InetAddress;
import java.net.UnknownHostException;

/*
 *  表示互联网中的IP地址
 *    java.net.InetAddress
 *  静态方法
 *    static InetAddress  getLocalHost()   LocalHost本地主机
 *    返回本地主机,返回值InetAddress对象
 *    
 *    static InetAddress getByName(String hostName)传递主机名,获取IP地址对象
 *    
 *  非静态方法
 *     String getHoustAddress()获取主机IP地址
 *     String getHoustName()获取主机名
 *    
 */
public class InetAddressDemo {
    public static void main(String[] args) throws UnknownHostException{
        for (int i = 0; i < 100; i++) {
            function();
        }
        
    }
    
    public static void function_1() throws UnknownHostException{
        InetAddress inet = InetAddress.getByName("www.baidu.com");
        System.out.println(inet.toString());
    }
    
    public static void function() throws UnknownHostException{
        InetAddress inet = InetAddress.getLocalHost();
        
        //输出结果就是主机名，ip地址
        System.out.println(inet.toString());
        String ip = inet.getHostAddress();
        String name = inet.getHostName();
        System.out.println(ip + "    " + name);
        
        System.out.println("-------------");
        String host = inet.toString();
        String[] str = host.split("/");
        for(String s: str) {
            System.out.println(s);
        }
    }

}