Java SimpleDateFormat
The
java.text.SimpleDateFormat class provides methods to format and parse date and
time in java. The SimpleDateFormat is a concrete class for formatting and
parsing date which inherits java.text.DateFormat class.
Notice
that formatting
means converting date to string and parsing means converting string to date.
Java SimpleDateFormat Example: Date to String
Let's
see the simple example to format
date in java using
java.text.SimpleDateFormat class.
1.
import java.text.SimpleDateFormat;
2.
import java.util.Date;
3.
public class SimpleDateFormatExample {
4.
public static void main(String[] args) {
5. Date date = new Date();
6. SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
7. String strDate= formatter.format(date);
8. System.out.println(strDate);
9. }
10. }
Output:
13/04/2015
Note: M (capital M) represents month and m (small m)
represents minute in java.
Let's
see the full example to format
date and time in java using
java.text.SimpleDateFormat class.
1.
import java.text.ParseException;
2.
import java.text.SimpleDateFormat;
3.
import java.util.Date;
4.
import java.util.Locale;
5.
public class SimpleDateFormatExample2 {
6.
public static void main(String[] args) {
7. Date date = new Date();
8. SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy");
9. String strDate = formatter.format(date);
10. System.out.println("Date Format with MM/dd/yyyy : "+strDate);
11.
12. formatter = new SimpleDateFormat("dd-M-yyyy hh:mm:ss");
13. strDate = formatter.format(date);
14. System.out.println("Date Format with dd-M-yyyy hh:mm:ss : "+strDate);
15.
16. formatter = new SimpleDateFormat("dd MMMM yyyy");
17. strDate = formatter.format(date);
18. System.out.println("Date Format with dd MMMM yyyy : "+strDate);
19.
20. formatter = new SimpleDateFormat("dd MMMM yyyy zzzz");
21. strDate = formatter.format(date);
22. System.out.println("Date Format with dd MMMM yyyy zzzz : "+strDate);
23.
24. formatter = new SimpleDateFormat("E, dd MMM yyyy HH:mm:ss z");
25. strDate = formatter.format(date);
26. System.out.println("Date Format with E, dd MMM yyyy HH:mm:ss z : "+strDate);
27. }
28. }
Output:
Date Format with MM/dd/yyyy : 04/13/2015
Date Format with dd-M-yyyy hh:mm:ss : 13-4-2015 10:59:26
Date Format with dd MMMM yyyy : 13 April 2015
Date Format with dd MMMM yyyy zzzz : 13 April 2015 India Standard Time
Date Format with E, dd MMM yyyy HH:mm:ss z : Mon, 13 Apr 2015 22:59:26 IST
Java SimpleDateFormat Example: String to Date
Let's
see the simple example to convert
string into date using
java.text.SimpleDateFormat class.
1.
import java.text.ParseException;
2.
import java.text.SimpleDateFormat;
3.
import java.util.Date;
4.
public class SimpleDateFormatExample3 {
5.
public static void main(String[] args) {
6. SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
7. try {
8. Date date = formatter.parse("31/03/2015");
9. System.out.println("Date is: "+date);
10. } catch (ParseException e) {e.printStackTrace();}
11. }
12. }
Output:
Date is: Tue Mar 31 00:00:00 IST 2015
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