Método RuleBasedCollator hashCode() en Java con ejemplo

El método hashCode() de la clase java.text.RuleBasedCollator se usa para obtener el código hash para este objeto Collator.
Sintaxis: 
 

public abstract int hashCode()

Parámetro : Este método no acepta ningún parámetro.
Valor devuelto: este método devuelve el valor del código hash en formato entero .
A continuación se muestran los ejemplos para ilustrar el método hashCode() :
Ejemplo 1: 
 

// Java program to demonstrate
// hashCode() method
 
import java.text.*;
import java.util.*;
import java.io.*;
 
public class GFG {
    public static void main(String[] argv)
    {
        try {
 
            // Creating and initializing new simple rule
            String simple = "< a < b < c < d";
 
            // Creating and initializing
            // new RuleBasedCollator Object
            RuleBasedCollator col
                = new RuleBasedCollator(simple);
 
            // getting hashCode of this object
            // using hashCode() method
            int hash = col.hashCode();
 
            // display result
            System.out.println("hashCode is :- "
                               + hash);
        }
 
        catch (ClassCastException e) {
 
            System.out.println("Exception thrown : "
                               + e);
        }
        catch (ParseException e) {
 
            System.out.println("Exception thrown : "
                               + e);
        }
    }
}

hashCode is :- 1882448026

Ejemplo 2: 
 

// Java program to demonstrate
// hashCode() method
 
import java.text.*;
import java.util.*;
import java.io.*;
 
public class GFG {
    public static void main(String[] argv)
    {
        try {
 
            // Creating and initializing new simple rule
            String simple = "< a < c & a < b";
 
            // Creating and initializing
            // new RuleBasedCollator Object
            RuleBasedCollator col
                = new RuleBasedCollator(simple);
 
            // getting hashCode of this object
            // using hashCode() method
            int hash = col.hashCode();
 
            // display result
            System.out.println("hashCode is :- "
                               + hash);
        }
 
        catch (ClassCastException e) {
 
            System.out.println("Exception thrown : "
                               + e);
        }
        catch (ParseException e) {
 
            System.out.println("Exception thrown : "
                               + e);
        }
    }
}

hashCode is :- 2022902017

Referencia: https://docs.oracle.com/javase/9/docs/api/java/text/RuleBasedCollator.html#hashCode–