The java.time.LocalDate class is an immutable class without a time-zone in the ISO-8601 calendar system, such as 2018-04-03.
Java ZonedDateTime class methods
| Method |
Description |
| String format(DateTimeFormatter formatter) |
It is used to format this date-time using the specified formatter. |
| int get(TemporalField field) |
It is used to get the value of the specified field from this date-time as an int. |
| ZoneId getZone() |
It is used to get the time-zone, such as ‘Asia/Kolkata’. |
| ZonedDateTime withZoneSameInstant(ZoneId zone) |
It is used to return a copy of this date-time with a different time-zone, retaining the instant. |
| static ZonedDateTime now() |
It is used to obtain the current date-time from the system clock in the default time-zone. |
| static ZonedDateTime of(LocalDate date, LocalTime time, ZoneId zone) |
It is used to obtain an instance of ZonedDateTime from a local date and time. |
| ZonedDateTime minus(long amountToSubtract, TemporalUnit unit) |
It is used to return a copy of this date-time with the specified amount subtracted. |
| ZonedDateTime plus(long amountToAdd, TemporalUnit unit) |
It is used to return a copy of this date-time with the specified amount added. |
Example
package com.w3spoint;
import java.time.Period;
import java.time.ZonedDateTime;
public class TestExample {
public static void main(String args[]){
ZonedDateTime zone =
ZonedDateTime.parse("2018-04-05T08:20:10+04:20[Asia/Kolkata]");
System.out.println(zone);
//Get zone
System.out.println(zone.getZone());
//Use of minus()
System.out.println(zone.minus(Period.ofDays(26)));
//Use of plus()
System.out.println(zone.plus(Period.ofDays(56)));
}
} |
package com.w3spoint;
import java.time.Period;
import java.time.ZonedDateTime;
public class TestExample {
public static void main(String args[]){
ZonedDateTime zone =
ZonedDateTime.parse("2018-04-05T08:20:10+04:20[Asia/Kolkata]");
System.out.println(zone);
//Get zone
System.out.println(zone.getZone());
//Use of minus()
System.out.println(zone.minus(Period.ofDays(26)));
//Use of plus()
System.out.println(zone.plus(Period.ofDays(56)));
}
}
Output
2018-04-05T08:20:10+05:30[Asia/Kolkata]
Asia/Kolkata
2018-03-10T08:20:10+05:30[Asia/Kolkata]
2018-05-31T08:20:10+05:30[Asia/Kolkata] |
2018-04-05T08:20:10+05:30[Asia/Kolkata]
Asia/Kolkata
2018-03-10T08:20:10+05:30[Asia/Kolkata]
2018-05-31T08:20:10+05:30[Asia/Kolkata]
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