Java InetAddress class and its common methods

Example 1

public static void main(String[] args)
{       
    try
    {
        InetAddress ia1=InetAddress.getByName("www.qq.com");
        System.out.println(ia1.getHostName());
        System.out.println(ia1.getHostAddress());
    }
    catch(UnkNownHostException e)
    {
        e.printStackTrace();
    }       
}
try
{
    InetAddress ia2=InetAddress.getByName("61.135.169.105");
    System.out.println(ia2.getHostName());
    System.out.println(ia2.getHostAddress());
}
catch(UnkNownHostException e)
{
    e.printStackTrace();
}
try
{
    InetAddress ia3=InetAddress.getLocalHost();
    System.out.println("主机名:"+ia3.getHostName());
    System.out.println("本地ip地址:"+ia3.getHostAddress());
}
catch(UnkNownHostException e)
{
    e.printStackTrace();
}
www.qq.com
123.151.137.18
61.135.169.105
61.135.169.105
主机名:WQ-20161107KCPN
本地ip地址:192.168.0.102
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