A LocalDate represents a date without time and timezone information. This class was introduced in Java 8 new date and time API for handling dates in ISO-8601 format (yyyy-MM-dd). Unlike the legacy Date class, it doesn't store any time or timezone.
In this article, you'll learn how to convert a date string to an instance of LocalDate in Java 8 and higher. The new date and time API provides the parse() method for parsing a string to date. By default, this method accepts a date string in ISO-8601 format — ISO_LOCAL_DATE and parses it directly to an instance of LocalDate.
The following example demonstrates how you can convert the default ISO-8601 formatted string to LocalDate using parse():
// default ISO-8601 formatted string
String str = "2017-06-25";
// parse string to `LocalDate`
LocalDate date = LocalDate.parse(str);
// print `LocalDate`
System.out.println("Parsed LocalDate: " + date);
Here is what the output looks like:
Parsed LocalDate: 2017-06-25
To parse a date string that is not ISO-8601 formatted, you need to pass an instance of DateTimeFormatter to explicitly specify the date string pattern as shown below:
// parse custom date strings
LocalDate date = LocalDate.parse("December 15, 2019", DateTimeFormatter.ofPattern("MMMM dd, yyyy"));
LocalDate date2 = LocalDate.parse("07/17/2019", DateTimeFormatter.ofPattern("MM/dd/yyyy"));
LocalDate date3 = LocalDate.parse("02-Aug-1989", DateTimeFormatter.ofPattern("dd-MMM-yyyy"));
// print `LocalDate` instances
System.out.println(date);
System.out.println(date2);
System.out.println(date3);
The above code snippet will print the following on the console:
2019-12-15
2019-07-17
1989-08-02
Check out how to convert a string to date in Java guide for more string-to-date conversion examples.
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