The compareTo() method of LocalDateTime class in Java is used to compare this date-time to the date-time passed as the parameter.
public int compareTo(ChronoLocalDateTime anotherDate)
Parameter: This method accepts a parameter anotherDate which specifies the other date-time to be compare to. It should not be null.
Returns: The function returns an integer value which is the comparator value after comparison.
Below programs illustrate the LocalDateTime.compareTo() method:
Date 1: 2018-11-03T12:45:30 Date 2: 2015-01-05T12:45:30 After comparison: -3
Date 1: 2010-12-05T12:50:30 Date 2: 2012-05-10T12:50:30 After comparison: 2
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