Creational -- Factory Method

--- Creator.java ---

package creational.factorymethod;

public abstract class Creator {

public abstract Product factoryMethod();

}

--- ConcreteCreator.java ---

package creational.factorymethod;

public class ConcreteCreator extends Creator {

/* # private ConcreteProduct _concreteProduct; */

public Product factoryMethod() {
return new ConcreteProduct();
}

}

--- Product.java ---

package creational.factorymethod;

public interface Product {

}

--- ConcreteProduct.java ---

package creational.factorymethod;

public class ConcreteProduct implements Product {

public ConcreteProduct() {

}

}