JAVA EE: How to use ofHours, ofHoursMinutes, OfHoursMinutesSeconds, ofTotalSeconds method of ZoneOffset Class

Friday, 9 March 2018

How to use ofHours, ofHoursMinutes, OfHoursMinutesSeconds, ofTotalSeconds method of ZoneOffset Class

Click here to watch on Youtube :
https://www.youtube.com/watch?v=w8th7Jebsr0&list=UUhwKlOVR041tngjerWxVccw

ZoneOffsetDemo1.java

import java.time.ZoneOffset;

public class ZoneOffsetDemo1

{

    public static void main(String[] args)

    {

        /*
         * Parameters:
         * 
         * hours - the time-zone offset in hours, from -18 to +18
         * 
         * Returns:
         * 
         * the zone-offset, not null
         */

        ZoneOffset zoneOffset = ZoneOffset.ofHours(4);

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

    }

}

Output

zoneOffset = +04:00

ZoneOffsetDemo2.java

import java.time.ZoneOffset;

public class ZoneOffsetDemo2

{

    public static void main(String[] args)

    {

        /*
         * Parameters:
         * 
         * hours - the time-zone offset in hours, from -18 to +18
         * 
         * minutes - the time-zone offset in minutes, from 0 to ~+mn~59,
         * sign matches hours
         * 
         * Returns:
         * 
         * the zone-offset, not null
         */

        ZoneOffset zoneOffset = ZoneOffset.ofHoursMinutes(5, 30);

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

    }

}

Output

zoneOffset = +05:30

ZoneOffsetDemo3.java

import java.time.ZoneOffset;

public class ZoneOffsetDemo3

{

    public static void main(String[] args)

    {

        /*
         * Parameters:
         * 
         * hours - the time-zone offset in hours, from -18 to +18
         * 
         * minutes - the time-zone offset in minutes, from 0 to ~+mn~59,
         * sign matches hours
         * 
         * seconds - the time-zone offset in seconds, from 0 to ~+mn~59,
         * sign matches hours and minutes
         * 
         * Returns:
         * 
         * the zone-offset, not null
         */

        ZoneOffset zoneOffset = ZoneOffset.ofHoursMinutesSeconds(5,30,20);

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

    }

}

Output

zoneOffset = +05:30:20

ZoneOffsetDemo4.java

import java.time.ZoneOffset;

public class ZoneOffsetDemo4

{

    public static void main(String[] args)

    {

        /*
         * Parameters:
         * 
         * totalSeconds - the total time-zone offset in seconds, from
         * -64800 to +64800
         * 
         * Returns:
         * 
         * the zone-offset, not null
         */

        ZoneOffset zoneOffset = ZoneOffset.ofTotalSeconds(7200);

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

    }

}