I really need some help with the specific assignment. The user inputs birth data (YYYY MM DD) and the program tells you how old you are in days :
The outprint in co
Well, when I imported the needed class, it worked just fine:
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
The error Eclipse gave you is probably because you didn't import the correct classes.
A little hint: use ctrl + shift + o
to add missing imports in eclipse