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Java 8 Date and Time API


Prior to Java 8, Java Date and Time has below drawbacks:

  • The existing classes java.util.Date and SimpleDateFormatter are not thread-safe.
  • Poor API design. For example, years in java.util.Date start at 1900, months start at 1, and days start at 0—not very intuitive.

Java SE 8 will ship with a new date and time API in java.time that offers greatly improved safety and functionality for developers. The new API models the domain well, with a good selection of classes for modeling a wide variety of developer use cases.

Following are some of the important classes introduced in java.time package.

Local: Simplified date-time API with no complexity of timezone handling.

Zoned: Specialized date-time API to deal with various timezones.

We have given examples for each type of Date and Time API here:

Java-8 Date and Time API Examples

  1. Java 8 LocalDateTime example.
  2. Java 8 ZonedDateTime example.
  3. Java 8 LocalDate example.
  4. Java 8 LocalTime example.
  5. Create date time with custom values in Java 8.
  6. Java 8 Instant (Timestamp) example.
  7. Java 8 Period example.
  8. Java 8 Duration example.
  9. Java 8 Date parsing and formatting example.
  10. How to compare two dates in Java 8?
  11. How to get current date and time Java 8?
  12. How to calculate execution / elapsed time Java 8?
  13. How to convert string to Date Java 8?
  14. How to add/substract days to Date in Java 8?
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Difference between super() and this()
super() is used to call super class constructor, whereas this() used to call constructors in the same class, means to call parameterized constructors.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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