package com.company;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class DateTests {

    private static Date getOneWeekAgo(){
        Calendar cal = new GregorianCalendar();
        cal.setTime(new Date());
        cal.add(Calendar.DATE, -7);
        cal.set(Calendar.MILLISECOND, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.HOUR_OF_DAY, 0);
        return cal.getTime();
    }

    private static Date getTomorrowZero(){
        Calendar cal2 = new GregorianCalendar();
        cal2.setTime(new Date());
        cal2.add(Calendar.DATE, 1);
        cal2.set(Calendar.MILLISECOND, 0);
        cal2.set(Calendar.SECOND, 0);
        cal2.set(Calendar.MINUTE, 0);
        cal2.set(Calendar.HOUR_OF_DAY, 0);
        return cal2.getTime();
    }

    public static void main(String[] args){
        System.out.println(getOneWeekAgo());
        System.out.println(getTomorrowZero());
    }
}