JAVA EE: How to use getOffset method of java.util.TimeZone

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TimeZoneDemo1.java

import java.util.TimeZone;

public class TimeZoneDemo1

{

    public static void main(String[] args)

    {

        TimeZone timezone = TimeZone.getTimeZone("Europe/Paris");

        /*

         * Parameters:

         * 

         * era - the era of the given date.

         * year - the year in the given date.

         * month - the month in the given date. Month is 0-based. e.g., 0 for January.

         * day - the day-in-month of the given date.

         * dayOfWeek - the day-of-week of the given date.

         * milliseconds - the milliseconds in day in standard local time.

         * 

         * Returns:

         * 

         * the offset in milliseconds to add to GMT to get local time.

         */

        int offset = timezone.getOffset(1, 2017, 3, 4, 5, 300);

        System.out.println("offset = " + offset);

    }

}

Output

offset = 7200000

TimeZoneDemo2.java

import java.util.Calendar;

import java.util.TimeZone;

public class TimeZoneDemo2

{

    public static void main(String[] args)

    {

        TimeZone timezone = TimeZone.getTimeZone("Europe/Paris");

        /*

         * Parameters:

         * 

         * date - the date represented in milliseconds since January

         * 1, 1970 00:00:00 GMT

         * 

         * Returns:

         * 

         * the amount of time in milliseconds to add to UTC to get

         * local time.

         */

        int offset = timezone.getOffset(Calendar.ZONE_OFFSET);

        System.out.println("offset = " + offset);

    }

}