Klingon Species for girl

Joanna.java

package joanna;

public class Joanna 
{
    public static void main (String [] args)
    {
        Species s1 = new Species(), s2 = new Species();
        s1.setSpecies("Klingon Ox", 10, 15);
        s2.setSpecies("Klingon Ox", 10, 15);
        testEqualsOperator(s1,s2);
        testEqualsMethod(s1,s2);
        System.out.println("Now change one Klingon Ox.");
        s2.setSpecies("klingon ox", 10, 15);
        testEqualsMethod(s1,s2);
    }
    private static void testEqualsOperator(Species s1, Species s2)
    {
        if (s1 == s2)
            System.out.println("Match with ==.");
        else
            System.out.println("Do Not match with ==.");
    }
    private static void testEqualsMethod (Species s1, Species s2)
    {
        if (s1.equals(s2))
            System.out.println("Match with the method equals.");
        else
            System.out.println("Do Not match with the method equals.");
    }
}

Species.java

package joanna;

public class Species 
{
    String name;
    int nNum1, nNum2;
    
    public void setSpecies(String klingon_name, int num1, int num2)
    {
        this.name = klingon_name;
        this.nNum1 = num1;
        this.nNum2 = num2;
    }
}