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Altering Date Formats in Java
In Java, manipulating date formats is crucial for various scenarios. One common requirement is to convert dates from one format to another. Consider the task of changing the date format from "dd/MM/yyyy" to "yyyy/MM/dd."
The solution utilizes Java's powerful SimpleDateFormat class to convert between formats. Here's a step-by-step approach to achieve this conversion:
For example, to convert the date string "12/08/2010" from "dd/MM/yyyy" to "yyyy/MM/dd," you can use the following code:
final String OLD_FORMAT = "dd/MM/yyyy"; final String NEW_FORMAT = "yyyy/MM/dd"; // August 12, 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);
This code snippet accurately converts the given date string in the old format to the desired format. Such conversion is essential for standardizing date representations, interfacing with different data sources, and manipulating dates in a flexible manner.
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