问红帽企业Linux服务器的主机名

EN

import java.net.InetAddress;
public class Hostname {

    public static void main(String[] args) {
        try{
             String hostname  = InetAddress.getLocalHost().getHostName();
             System.out.println("Hostname is :"+hostname);
            
        }
        catch(Exception e){
            System.out.println(" Exception  :"+e);
            System.out.println(" Exception Msg :"+e.getMessage());
        }
    }

}