Problem bei Java und FTP

FTPClient ftp = new FTPClient();

import java.io.IOException;
import java.net.SocketException;

import org.apache.commons.net.ftp.*;
 
public class download {
	FTPClient ftp = new FTPClient();
	int reply;
	public void Connect(String username,String password,String serverAdd){
		try {
			
			ftp.connect(ftp.xxx);
			   ftp.login(Benutzername,Passwort);
			   reply = ftp.getReplyCode();
			   
			   if(FTPReply.isPositiveCompletion(reply)){
				   System.out.println("Connected Success");  
			   }else {
				   System.out.println("Connection Failed");  
				   ftp.disconnect();
			   }
			   
		} catch (SocketException ex) {
			ex.printStackTrace();
		} catch (IOException ex) {
			ex.printStackTrace();
		}
	 
		
		
	}


}