자바(JAVA) 형 변환(String과 Date)

String from = "2013-04-08 10:10:10";
SimpleDateFormat transFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date to = transFormat.parse(from);

Date from = new Date();
SimpleDateFormat transFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String to = transFormat.format(from);