SimpleDateFormat get2DigitYearStart() Method in Java with Examples

The get2DigitYearStart() Method of SimpleDateFormat class is used to return the start of 100 year period that was set during parsing or set2DigitYearStart() method. It returns the beginning date of the 100-year period 2-digit years those are interpreted as being set within the Date.

Syntax:

public Date get2DigitYearStart()

Parameters: The method does not take any parameters.



Return Value: The method returns the beginning date of the 100-year period 2-digit years those are interpreted as being set within the Date

Below programs illustrate the working of get2DigitYearStart() Method of SimpleDateFormat:

Example 1:

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// Java code to illustrate
// get2DigitYearStart() method
  
import java.text.*;
import java.util.Calendar;
  
public class SimpleDateFormat_Demo {
    public static void main(String[] args)
        throws InterruptedException
    {
  
        SimpleDateFormat dt
            = new SimpleDateFormat("MM/ dd/ yy");
  
        try {
            Calendar cal = Calendar.getInstance();
            cal.setTime(dt.parse("01/ 28/ 19"));
            System.out.println("The Starting Time: "
                               + cal.getTime());
  
            // Setting 1916 instead of 2016
            // Using set2DigitYearStart() method
            dt.set2DigitYearStart(
                dt.parse("01/ 01/ 1900"));
            cal.setTime(dt.parse("05/ 12/ 17"));
            System.out.println("The New Time: "
                               + cal.getTime());
  
            // Use of get2DigitYearStart() method
            // to check start year
            cal.setTime(dt.get2DigitYearStart());
            System.out.println("The start Year: "
                               + cal.get(Calendar.YEAR));
        }
  
        catch (ParseException excpt) {
            excpt.printStackTrace();
        }
    }
}

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Output:

The Starting Time: Mon Jan 28 00:00:00 UTC 2019
The New Time: Sat May 12 00:00:00 UTC 1917
The start Year: 1900

Example 2:

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// Java code to illustrate
// get2DigitYearStart() method
  
import java.text.*;
import java.util.Calendar;
  
public class SimpleDateFormat_Demo {
    public static void main(String[] args)
        throws InterruptedException
    {
  
        SimpleDateFormat dt
            = new SimpleDateFormat("MM/ dd/ yy");
  
        try {
            Calendar cal = Calendar.getInstance();
            cal.setTime(dt.parse("01/ 28/ 19"));
            System.out.println("The Starting Time: "
                               + cal.getTime());
  
            // Setting 1916 instead of 2016
            // Using set2DigitYearStart() method
            dt.set2DigitYearStart(
                dt.parse("01/ 01/ 2000"));
            cal.setTime(dt.parse("05/ 12/ 17"));
            System.out.println("The New Time: "
                               + cal.getTime());
  
            // Use of get2DigitYearStart() method
            // to check start year
            cal.setTime(dt.get2DigitYearStart());
            System.out.println("The start Year: "
                               + cal.get(Calendar.YEAR));
        }
  
        catch (ParseException excpt) {
            excpt.printStackTrace();
        }
    }
}

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Output:

The Starting Time: Mon Jan 28 00:00:00 UTC 2019
The New Time: Fri May 12 00:00:00 UTC 2017
The start Year: 2000


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