gethost.java

URL编程例子

import java.io.*; 
import java.net.*; 
// 
// 
// GetHost.java 
// 
// 
public class GetHost  
{ 
public static void main (String arg[]){ 
if (arg.length>=1){ 
InetAddress[] Inet; 
int i=1; 
try{ 
for (i=1;i<=arg.length;i++){ 
Inet = InetAddress.getAllByName(arg[i-1]); 
for (int j=1;j<=Inet.length;j++){ 
System.out.print(Inet[j-1].toString()); 
System.out.print("\n"); 
} 
} 
} 
catch(UnknownHostException e){ 
System.out.print("Unknown HostName!"+arg[i-1]); 
} 
} 
 else{ 
System.out.print("Usage java/jview GetIp "); 
 } 
} 
}