importjava.net.*;

importjava.util.Enumeration;

publicclassInetAddressExample{

publicstaticvoidmain(String[]args){

//TODOAuto-generatedmethodstub

try{

//获取主机网络接口列表

EnumerationinterfaceList=NetworkInterface

.getNetworkInterfaces();

//检测接口列表是否为空,即使主机没有任何其他网络连接，回环接口(loopback)也应该是存在的

if(interfaceList==null){

System.out.println("--没有发现接口--");

}else{

while(interfaceList.hasMoreElements()){

//获取并打印每个接口的地址

NetworkInterfaceiface=interfaceList.nextElement();

//打印接口名称

System.out.println("Interface"+iface.getName()+";");

//获取与接口相关联的地址

EnumerationaddressList=iface

.getInetAddresses();

//是否为空

if(!addressList.hasMoreElements()){

System.out.println("\t(没有这个接口相关的地址)");

}

//列表的迭代，打印出每个地址

while(addressList.hasMoreElements()){

InetAddressaddress=addressList.nextElement();

System.out

.print("\tAddress"

+((addressinstanceofInet4Address?"(v4)"

:addressinstanceofInet6Address?"v6"

:"(?)")));

System.out.println(":"+address.getHostAddress());

}

}

}

}catch(SocketExceptionse){

System.out.println("获取网络接口错误:"+se.getMessage());

}

//获取从命令行输入的每个参数所对应的主机名和地址，迭代列表并打印

for(Stringhost:args){

try{

System.out.println(host+":");

InetAddress[]addressList=InetAddress.getAllByName(host);

for(InetAddressaddress:addressList){

System.out.println("\t"+address.getHostName()+"/"

+address.getHostAddress());

}

}catch(UnknownHostExceptione){

System.out.println("\t无法找到地址:"+host);

}

}

}

}