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DateFormat hashCode() method in Java with Examples

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 
// 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 
// 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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