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SimpleDateFormat hashCode() Method in Java with Examples

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  • Last Updated : 30 Jan, 2019

The hashCode() Method of SimpleDateFormat class is used to return the hash code value of this SimpleDateFormat 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 SimpleDateFormat object and is of integer type.

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

Example 1:




// Java to illustrate hashCode() method
  
import java.text.*;
import java.util.*;
  
public class SimpleDateFormat_Demo {
    public static void main(String[] args)
        throws InterruptedException
    {
        // Initializing SimpleDateFormat
        SimpleDateFormat SDFormat
            = new SimpleDateFormat(
                "dd/MM/yyyy");
  
        // Displaying the formats
        Date date = new Date();
        String str_Date1 = SDFormat.format(date);
        System.out.println("The Original: "
                           + (str_Date1));
  
        // Displaying the hash code
        System.out.println("The hash code: "
                           + SDFormat.hashCode());
    }
}
Output:
The Original: 30/01/2019
The hash code: -650712384

Example 2:




// Java to illustrate hashCode() method
  
import java.text.*;
import java.util.*;
  
public class SimpleDateFormat_Demo {
    public static void main(String[] args)
        throws InterruptedException
    {
        // Initializing SimpleDateFormat
        SimpleDateFormat SDFormat
            = new SimpleDateFormat(
                "MM/dd/yyyy");
  
        // Displaying the formats
        Date date = new Date();
        String str_Date1 = SDFormat.format(date);
        System.out.println("The Original: "
                           + (str_Date1));
  
        // Displaying the hash code
        System.out.println("The hash code: "
                           + SDFormat.hashCode());
    }
}
Output:
The Original: 01/30/2019
The hash code: 2087096576

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