ChronoZonedDateTime compareTo() method in Java with Examples
Last Updated :
28 May, 2019
The compareTo() method of ChronoZonedDateTime interface in Java method compares this date to another date.
Syntax:
default int compareTo(ChronoZonedDateTime other)
Parameter: This method accepts a parameter other which specifies the other date to compare to and it is not specifically null.
Return Value: It returns the comparator value which is negative if it is less else it is positive if it is greater.
Below programs illustrate the compareTo() method of ChronoZonedDateTime in Java:
Program 1:
import java.util.*;
import java.time.*;
import java.time.chrono.*;
public class GfG {
public static void main(String[] args)
{
ChronoZonedDateTime dt
= ZonedDateTime.parse(
"2018-12-06T19:21:12.123+05:30[Asia/Calcutta]" );
System.out.println(dt);
ChronoZonedDateTime dt1
= ZonedDateTime.parse(
"2018-12-06T19:21:12.123+05:30[Asia/Calcutta]" );
System.out.println(dt1);
try {
System.out.println(dt1.compareTo(dt));
}
catch (Exception e) {
System.out.println(e);
}
}
}
|
Output:
2018-12-06T19:21:12.123+05:30[Asia/Calcutta]
2018-12-06T19:21:12.123+05:30[Asia/Calcutta]
0
Program 2:
import java.util.*;
import java.time.*;
import java.time.chrono.*;
public class GfG {
public static void main(String[] args)
{
ChronoZonedDateTime dt
= ZonedDateTime.parse(
"2018-10-25T23:12:31.123+02:00[Europe/Paris]" );
System.out.println(dt);
ChronoZonedDateTime dt1
= ZonedDateTime.parse(
"2018-12-06T19:21:12.123+05:30[Asia/Calcutta]" );
System.out.println(dt1);
try {
System.out.println(dt1.compareTo(dt));
}
catch (Exception e) {
System.out.println(e);
}
}
}
|
Output:
2018-10-25T23:12:31.123+02:00[Europe/Paris]
2018-12-06T19:21:12.123+05:30[Asia/Calcutta]
1
Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/ChronoZonedDateTime.html#compareTo-java.time.chrono.ChronoZonedDateTime-
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