State

Interface

/*

 * To change this template, choose Tools | Templates

 * and open the template in the editor.

 */

package state;

/**

 *

 * @author toucatronic

 */

public interface Pokemon {

    public void evolui(Treinador t);

    public String getNome();

    public void ataque();

}

Classe Treinador

/*

 * To change this template, choose Tools | Templates

 * and open the template in the editor.

 */

package state;

/**

 *

 * @author toucatronic

 */

public class Treinador {

    Pokemon p;

    public void pokebolaVai(){

        p = new Charmander();

    }

    public void setP(Pokemon p) {

        this.p = p;

    }

    public void evolui(){

        p.evolui(this);

    }

    public String pokemonSeuNome(){

        return p.getNome();

    }

    public void ataque(){

        p.ataque();

    }

}

Classe Concreta

/*

 * To change this template, choose Tools | Templates

 * and open the template in the editor.

 */

package state;

/**

 *

 * @author toucatronic

 */

public class Charmander implements Pokemon{

    String nome = "Charmander";

    public String getNome() {

        return nome;

    }

    public void evolui(Treinador t) {

     t.setP(new Charmeleon());

    }

    @Override

    public void ataque() {

        System.out.println("Lança Chamas");

    }

}