package javaapplication21;

class Animale
{
    private String nome;

    public Animale(String n)
    {
        nome = n;
    }

    public void setNome(String n) {nome = n;}
    public String getNome() {return nome;}
    @Override
    public String toString() {return "Nome: " + nome;}
}

public class JavaApplication21 {

    public static void main(String[] args) {
        Animale a1 = new Animale("Cane");
        Animale a2 = new Animale("Gatto");

        System.out.println(a1.toString());
        System.out.println(a2.toString());
        System.out.println();

        Object obj1 = a1;
        Object obj2 = a2;

        a1 = (Animale) obj2;
        a2 = (Animale) obj1;

        System.out.println(a1.toString());
        System.out.println(a2.toString());
    }

}