use SSHJ to ssh to target and run a command

testSSH.java

import net.schmizz.sshj.SSHClient;
import net.schmizz.sshj.connection.channel.direct.Session;
import net.schmizz.sshj.transport.verification.PromiscuousVerifier;

import java.io.IOException;

public class sendCommand {
    public static void main(String[] args) throws IOException {
        final SSHClient ssh = new SSHClient();
        ssh.addHostKeyVerifier(new PromiscuousVerifier());
        ssh.connect("192.168.1.100",22);
        try {
            ssh.authPassword("pi", "142536");
            final Session session = ssh.startSession();
            try {
//                final Session.Command cmd = session.exec("echo 142536 | sudo -S reboot");
                final Session.Command cmd = session.exec("python testGPIO.py");

            } finally {
                session.close();
            }
        } finally {
            ssh.disconnect();
        }
    }

}