Joda-Time
Joda-Time aims to provide a quality replacement for the Java date and time classes. The design allows for multiple calendar systems, while still providing a simple API. The \\\\\'default\\\\\' calendar is the ISO8601 standard which is used by X
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The decision to create a cleanroom date implementation to replace Java\\\\\'s is based on the flaws in the JDK code. Date should have been immutable, like String, instead it is mutable and has many deprecated methods. Calendar makes accessing \\\\\'normal\\\\\' dates difficult, due to the lack of simple methods. It also has some strange performance characteristics as it recalculates fields at unexpected moments.
Using a Joda date
DateTime dt = new DateTime();
int year = dt.getYear();
String monthText = dt.monthOfYear().getAsText(Locale.ENGLISH);
String monthInFrench = dt.monthOfYear().getAsText(Locale.FRENCH);
String dateAsISO8601Format = dt.toString();
Current interfaces and implementations include:
Instant
DateTime
DateMidnight
YearMonthDay
TimeOfDay
Duration
Period
Interval
Chronology
DateTimeZone
...plus formatting and parsing
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