Jsch ChannelExec :如何在命令后向服务器传递密码？

import com.jcraft.jsch.*;

public class SSHExample {
    public static void main(String[] args) {
        String host = "服务器IP地址";
        int port = 22;
        String username = "用户名";
        String password = "密码";

        try {
            JSch jsch = new JSch();
            Session session = jsch.getSession(username, host, port);
            session.setPassword(password);
            session.setConfig("StrictHostKeyChecking", "no");
            session.connect();

            Channel channel = session.openChannel("exec");
            ((ChannelExec) channel).setCommand("远程命令");
            channel.setInputStream(null);
            ((ChannelExec) channel).setErrStream(System.err);

            InputStream in = channel.getInputStream();
            channel.connect();

            // 向服务器传递密码
            OutputStream out = channel.getOutputStream();
            out.write((password + "\n").getBytes());
            out.flush();

            // 读取命令执行结果
            byte[] buffer = new byte[1024];
            while (true) {
                while (in.available() > 0) {
                    int bytesRead = in.read(buffer, 0, 1024);
                    if (bytesRead < 0) break;
                    System.out.print(new String(buffer, 0, bytesRead));
                }
                if (channel.isClosed()) {
                    if (in.available() > 0) continue;
                    System.out.println("exit-status: " + channel.getExitStatus());
                    break;
                }
                try {
                    Thread.sleep(1000);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }

            channel.disconnect();
            session.disconnect();
        } catch (JSchException | IOException e) {
            e.printStackTrace();
        }
    }
}