Check out example codes for "how to format ddmmmyyyy to ddmmyy in java". It will help you in understanding the concepts better.

Code Example 1

SimpleDateFormat format1 = new SimpleDateFormat("MM/dd/yyyy");
    SimpleDateFormat format2 = new SimpleDateFormat("dd-MMM-yy");
    Date date = format1.parse("05/01/1999");
    System.out.println(format2.format(date));

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