java: Get start time of next week date

Below snippet return the start of next week date.

public static long startStartOfNextWeek(long now) {
	Calendar calendar = Calendar.getInstance();
	calendar.setTime(new Date(now));

	calendar.set(Calendar.DAY_OF_WEEK, calendar.getFirstDayOfWeek());
	calendar.set(Calendar.HOUR_OF_DAY, 0);
	calendar.set(Calendar.MINUTE, 0);
	calendar.set(Calendar.SECOND, 0);
	calendar.set(Calendar.MILLISECOND, 0);
	calendar.add(Calendar.WEEK_OF_YEAR, 1);

	return calendar.getTime().getTime();
}

 

Find the below working application.

 

GetStartOfNextWeek.java

package com.sample.app.time;

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

public class GetStartOfNextWeek {

	public static long startStartOfNextWeek(long now) {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(new Date(now));

		calendar.set(Calendar.DAY_OF_WEEK, calendar.getFirstDayOfWeek());
		calendar.set(Calendar.HOUR_OF_DAY, 0);
		calendar.set(Calendar.MINUTE, 0);
		calendar.set(Calendar.SECOND, 0);
		calendar.set(Calendar.MILLISECOND, 0);
		calendar.add(Calendar.WEEK_OF_YEAR, 1);

		return calendar.getTime().getTime();
	}

	public static void main(String args[]) {
		Date today = new Date();

		long startOfNextWeek = startStartOfNextWeek(today.getTime());

		Date startOfNextWeekDate = new Date(startOfNextWeek);

		System.out.println("today : " + today);
		System.out.println("startOfNextWeekDate : " + startOfNextWeekDate);

	}
}

 

Output

today : Sat Feb 26 09:57:07 IST 2022
startOfNextWeekDate : Sun Feb 27 00:00:00 IST 2022

 

 

 

 

 

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