How to convert Date object to String?

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();

Answer: Option B