Java Convert SQL Date to GregorianCalendar

In this Java core tutorial we learn how to convert a java.sql.Date object to a java.util.GregorianCalendar object in Java programming language.

Java Convert GregorianCalendar to SQL Date

In this Java core tutorial we learn how to convert a java.util.GregorianCalendar object to a java.sql.Date object in Java programming language.

Java Convert ZonedDateTime to GregorianCalendar

In this Java core tutorial we learn how to convert a java.time.ZonedDateTime object to a java.util.GregorianCalendar object in Java programming language.

Java Convert GregorianCalendar to ZonedDateTime

In this Java core tutorial we learn how to convert a java.util.GregorianCalendar object to a java.time.ZonedDateTime object in Java programming language.

Java Convert GregorianCalendar to Instant

In this Java core tutorial we learn how to convert a java.util.GregorianCalendar object to a java.time.Instant object in Java programming language.