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DateFormat hashCode() method in Java with Examples

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  • Last Updated : 27 Mar, 2019
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The hashCode() Method of DateFormat class is used to return the hash code value of this DateFormat object. The hash code is of integer type.

Syntax:

public int hashCode()

Parameters: The method does not take any parameters.

Return Value: The method returns the hash code value of this DateFormat object and is of integer type.

Below programs illustrate the working of hashCode() Method of DateFormat:
Example 1:




// Java to illustrate hashCode() method
  
import java.text.*;
import java.util.*;
  
public class DateFormat_Demo {
    public static void main(String[] args)
    {
        // Initializing DateFormat
        DateFormat DFormat
            = DateFormat.getDateTimeInstance();
  
        // Displaying the formats
        Date date = new Date();
        String str_Date1 = DFormat.format(date);
        System.out.println("The Original: "
                           + (str_Date1));
  
        // Displaying the hash code
        System.out.println("The hash code: "
                           + DFormat.hashCode());
    }
}

Output:

The Original: Mar 27, 2019 10:20:51 AM
The hash code: 2034585966

Example 2:




// Java to illustrate hashCode() method
  
import java.text.*;
import java.util.*;
  
public class DateFormat_Demo {
    public static void main(String[] args)
    {
        // Initializing DateFormat
        DateFormat DFormat
            = new SimpleDateFormat("MM/dd/yyyy");
  
        // Displaying the formats
        Date date = new Date();
        String str_Date1 = DFormat.format(date);
        System.out.println("The Original: "
                           + (str_Date1));
  
        // Displaying the hash code
        System.out.println("The hash code: "
                           + DFormat.hashCode());
    }
}

Output:

The Original: 03/27/2019
The hash code: 2087096576

Reference: https://docs.oracle.com/javase/7/docs/api/java/text/DateFormat.html#hashCode()


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