How Can I Change a Date's Format in Java?

Edit Date Format in Java

In Java, modifying date formats is a common task. One common requirement is to convert dates from a given format, such as dd/MM/yyyy, to a different format, such as yyyy/MM/dd.

Solution:

To achieve this date format conversion, you can utilize Java's SimpleDateFormat class:

final String OLD_FORMAT = "dd/MM/yyyy";
final String NEW_FORMAT = "yyyy/MM/dd";

// Example date in old format: 12/08/2010
String oldDateString = "12/08/2010";
String newDateString;

SimpleDateFormat sdf = new SimpleDateFormat(OLD_FORMAT);
Date d = sdf.parse(oldDateString);
sdf.applyPattern(NEW_FORMAT);
newDateString = sdf.format(d);

// Output: 2010/08/12 (date in new format)

This solution creates a SimpleDateFormat object and parses the input date using the old format. Then, it applies the new format pattern and formats the date accordingly, resulting in the desired output format.

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