public class Letter{ public Letter(String from, String to) { writer = from; reader = to; } public void addLine(String line) { text = text + line.concat("\n"); } public String getText() { body = "Dear " + reader+":"; body = body.concat("\n"); body = body.concat("\n"); body = body + text; body = body.concat("\n"); body = body + "Sincerely,"; body = body.concat("\n"); body = body.concat("\n"); body = body + writer; return body; } private String writer; private String reader; private String body; private String text = "";}