Java / Java8 streams
Difference between the old and new Date Time API in Java 8.
| Old API. | New Date and Time API (Java 8). |
| Date object is mutable. | In Java 8, all date and time classes like LocalDate, LocalTime, or LocalDateTime are Immutable. |
| SimpleDateFormat is not thread-safe. | Formatter is thread-safe. |
| Old Date and Calendar API has just one class Date to represent date and time. | Java 8 has separated classes for Date and Time e.g. LocalDate and LocalTime. |
| In the old Date and Calendar API, the Year starts with 1900, month starts from 0, and day starts from 1. | Java 8 has got corrected numbers. |
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