Java 9 adds some minor features and fixes.Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.No need for strings, no need for java.sql.* classes. Use a JDBC driver compliant with JDBC 4.2 or later. You may exchange java.time objects directly with your database. And search for many examples and explanations. The Joda-Time project, now in maintenance mode, advises migration to the java.time classes. These classes supplant the troublesome old legacy date-time classes such as, Calendar, & SimpleDateFormat. The java.time framework is built into Java 8 and later. LocalDate localDate = EXCEL_EPOCH_REFERENCE. longValue () // Extract the number of whole days, dropping the fraction. BigDecimal countFromEpoch = new BigDecimal ( "41275.00" ) Īdd the number of whole days to the epoch reference date. Parse your input string as a BigDecimal for accuracy (versus floating-point types that trade away accuracy for faster execution). DECEMBER, 30 ) // Beware: Some versions of Excel use a 1904 epoch reference.
final static public LocalDate EXCEL_EPOCH_REFERENCE = LocalDate. Internally, the actual reference date is Decemas documented on this Wikipedia page.īeware, some versions (old versions for macOS?) of Excel use a different epoch in 1904.Įstablish the epoch reference somewhere in your code. Epoch reference date: Īccording to this documentation, that value from Microsoft Excel is the number of days since the epoch reference of in UTC. The modern solution uses the java.time classes that supplanted the terrible legacy date-time classes bundled with the earliest versions of Java.
Microsoft jdbc driver 6 and localdate iso#
toString () // Generate text representing the value of this `LocalDate` in standard ISO 8601 format. ) // Returns another instance of a `LocalDate`, per Immutable Objects pattern, rather than altering the original. parseDouble ( "41275.00" ) // Get a number of whole days from your input string. Beware: Some versions use a 1904 epoch reference. DECEMBER, 30 ) // Specify epoch reference date used by *some* versions of Excel. LocalDate // Represent a date-only vaule, without time-of-day and without time zone.
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