How to convert a String to a Date object?

• A. SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd"); sdf.parse(new Date());
• B. SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd"); sdf.format(new Date());
• C. SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd"); new Date().parse();
• D. SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd"); new Date().format();