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import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class tttttttttttt {
public static void main(String[] args) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
Date date = sdf.parse("2008/03/04 08:00:00");
Calendar c = Calendar.getInstance();
c.setTime(date);//set 3.4 date
System.out.println("now" + c.getTime());
c.add(Calendar.DAY_OF_WEEK, -c.get(Calendar.DAY_OF_WEEK) + 1);
System.out.println("sunday" + c.getTime());
c.add(Calendar.DAY_OF_WEEK, 1);
System.out.println("monday" + c.getTime());
}
}