publicclassInetAddressExample{

publicstaticvoidmain(String[]args){
//TODOAuto-generatedmethodstub
try{
//獲取主機網(wǎng)絡(luò)接口列表
Enumeration<NetworkInterface>interfaceList=NetworkInterface
.getNetworkInterfaces();
//檢測接口列表是否為空,即使主機沒有任何其他網(wǎng)絡(luò)連接，回環(huán)接口(loopback)也應(yīng)該是存在的
if(interfaceList==null){
System.out.println("--沒有發(fā)現(xiàn)接口--");
}else{
while(interfaceList.hasMoreElements()){
//獲取并打印每個接口的地址
NetworkInterfaceiface=interfaceList.nextElement();
//打印接口名稱
System.out.println("Interface"+iface.getName()+";");
//獲取與接口相關(guān)聯(lián)的地址
Enumeration<InetAddress>addressList=iface
.getInetAddresses();
//是否為空
if(!addressList.hasMoreElements()){
System.out.println("\t(沒有這個接口相關(guān)的地址)");
}
//列表的迭代，打印出每個地址
while(addressList.hasMoreElements()){
InetAddressaddress=addressList.nextElement();
System.out
.print("\tAddress"
+((addressinstanceofInet4Address?"(v4)"
:addressinstanceofInet6Address?"v6"
:"(?)")));
System.out.println(":"+address.getHostAddress());
}
}
}
}catch(SocketExceptionse){
System.out.println("獲取網(wǎng)絡(luò)接口錯誤:"+se.getMessage());
}
//獲取從命令行輸入的每個參數(shù)所對應(yīng)的主機名和地址，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無法找到地址:"+host);
}
}
}
}