code: public static Expect4j SSH(String hostname, String username, String password) throws Exception {
          return SSH(hostname, username, password, 22);
      }
docs: Creates an SSH session to the given server on TCP port 22 using
  the provided credentials.  This is equivalent to Expect's
  <code>spawn ssh $hostname</code>.
  
  @param hostname the DNS or IP address of the remote server
  @param username the account name to use when authenticating
  @param password the account password to use when authenticating
  @return the controlling Expect4j instance
  @throws Exception on a variety of errors