date - How do I calculate someone's age in Java? - Stack Overflow

date - How do I calculate someone's age in Java? - Stack Overflow

Check out Joda, which simplifies date/time calculations (Joda is also the basis of the new standard Java date/time apis, so you'll be learning a soon-to-be-standard API).

EDIT: Java 8 has something very similar and is worth checking out.

e.g.

LocalDate birthdate = new LocalDate (1970, 1, 20);  LocalDate now = new LocalDate();  Years age = Years.yearsBetween(birthdate, now);

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