DateFormat hashCode() method in Java with Examples

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:

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// 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());
    }
}

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Output:

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

Example 2:

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// 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());
    }
}

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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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