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MonthDay hashCode() method in Java with Examples

  • Last Updated : 17 Jan, 2019

hashCode() method of the MonthDay class used to get hashCode for this MonthDay. The hashcode is always the same if the object doesn’t change. Hashcode is a unique code generated by the JVM at time of object creation. It can be used to perform some operation on hashing related algorithm like a hashtable, hashmap etc. An object can also be searched with its unique code (hashcode).

Syntax:

public int hashCode()

Parameters: This method did not accepts any parameter.

Return value: This method returns a suitable hash code.

Below programs illustrate the hashCode() method:
Program 1:




// Java program to demonstrate
// MonthDay.hashCode() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
        // create a MonthDay object
        MonthDay month = MonthDay.parse("--10-12");
  
        // print hashcode
        System.out.println("hashCode"
                           + " of YearMonth: "
                           + month.hashCode());
    }
}
Output:
hashCode of YearMonth: 652

Program 2:




// Java program to demonstrate
// MonthDay.from() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
        // create a MonthDay object
        MonthDay month = MonthDay.parse("--08-31");
  
        // print hashcode
        System.out.println("hashCode"
                           + " of YearMonth: "
                           + month.hashCode());
    }
}
Output:
hashCode of YearMonth: 543

References: https://docs.oracle.com/javase/10/docs/api/java/time/MonthDay.html#hashCode()

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