Java Get First Date of Current Week

Tags: Java Date DateUtil

In this Java tutorial, we learn how to get the first day of current week as a Date object in Java programming language.

How to get first Date of current week in Java

Firstly, we create a new Java class named DateUtil, and implement the method named getFirstDateOfCurrentWeek(), in this method we populate to get the Monday day of current week and return it as a Date object as the following Java code.

DateUtil.java 

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

public class DateUtil {

    /**
     * This method to return the first Date of current week.
     * @return Monday Date object of current week.
     */
    public static Date getFirstDateOfCurrentWeek() {
        Calendar calendar = Calendar.getInstance();
        int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);
        if(dayOfWeek == Calendar.SUNDAY) {
            calendar.add(Calendar.DATE, -6);
        } else {
            calendar.add(Calendar.DATE, -dayOfWeek + 2);
        }

        return calendar.getTime();
    }

}

In the following example Java code, we learn how to use the above DateUtil class to get Monday day of current week as a Date object in Java program.

GetFirstDateOfCurrentWeekExample.java 

import java.util.Date;

public class GetFirstDateOfCurrentWeekExample {
    public static void main(String... args) {
        // Get First Date of Current Week
        Date firstDateOfWeek = DateUtil.getFirstDateOfCurrentWeek();

        System.out.println("Today: " + new Date());
        System.out.println("First day of current week: " + firstDateOfWeek);
    }
}
The output as below. 
Today: Sat Aug 20 00:35:25 ICT 2022
First day of current week: Mon Aug 15 00:35:25 ICT 2022

Happy Coding 😊

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