import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPReply;
public class FTPExample {
public static void main(String[] args) {
String server = "ftp.example.com";
int port = 21;
String username = "username";
String password = "password";
FTPClient ftpClient = new FTPClient();
try {
ftpClient.connect(server, port);
int replyCode = ftpClient.getReplyCode();
if (FTPReply.isPositiveCompletion(replyCode)) {
boolean success = ftpClient.login(username, password);
if (success) {
System.out.println("Successfully logged in.");
ftpClient.logout();
ftpClient.disconnect();
} else {
System.out.println("Login failed.");
}
} else {
System.out.println("FTP server refused connection.");
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
