JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Java 8 LocalDate example.


LocalDate class is a date without a time-zone in the ISO-8601 calendar system, such as 2007-12-03.

LocalDate is an immutable date-time object that represents a date, often viewed as year-month-day. Other date fields, such as day-of-year, day-of-week and week-of-year, can also be accessed.

This class does not store or represent a time or time-zone. Instead, it is a description of the date, as used for birthdays. It cannot represent an instant on the time-line without additional information such as an offset or time-zone.

This is a value-based class; use of identity-sensitive operations (including reference equality (==), identity hash code, or synchronization) on instances of LocalDate may have unpredictable results and should be avoided. The equals method should be used for comparisons.

LocalDate class is immutable and thread-safe.

LocalDateEx
package com.java2novice.datetime;

import java.time.LocalDate;
import java.time.Month;

public class LocalDateEx {

	public static void main(String[] args) {

		// get current date
		LocalDate currDate = LocalDate.now();
		System.out.println("current date: "+currDate);

		// create date object with values
		LocalDate myBday = LocalDate.of(1982, Month.MARCH, 23);
		System.out.println("Created date: "+myBday);

		// get date on given year on 'n'th day
		LocalDate randomDay = LocalDate.ofYearDay(2015, 100);
		System.out.println("Random date: "+randomDay);
	}
}

Output:
current date: 2015-12-15
Created date: 1982-03-23
Random date: 2015-04-10
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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?
Knowledge Centre
When to use LinkedList or ArrayList?
Accessing elements are faster with ArrayList, because it is index based. But accessing is difficult with LinkedList. It is slow access. This is to access any element, you need to navigate through the elements one by one. But insertion and deletion is much faster with LinkedList, because if you know the node, just change the pointers before or after nodes. Insertion and deletion is slow with ArrayList, this is because, during these operations ArrayList need to adjust the indexes according to deletion or insetion if you are performing on middle indexes. Means, an ArrayList having 10 elements, if you are inserting at index 5, then you need to shift the indexes above 5 to one more.
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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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