protected String deStress(String phone){
  String retPhone=phone;
  if (isStressed(phone)) {
    retPhone=phone.substring(0,phone.length() - 1);
  }
  return retPhone;
}

protected String deStress ( String phone ) { String retPhone = phone ; if ( isStressed ( phone ) ) { retPhone = phone . substring ( 0 , phone . length ( ) - 1 ) ; } return retPhone ; }
converts stressed phone to regular phone . this method merely removes the last character of the phone . subclasses should override this if another method is to be used .
