bakery model using injection

Bakery2.java

interface BakeBreadStrategy {
  Bread bake(Ingredients ingredients);
}

class Bakery2 {

  public Bakery2(BakeBreadStrategy bakeStrategy) {
    // ...
  }

  public void produceBread() {
    Ingredients ingredients = prepareIngredients();
    Bread bread = bakeStrategy.bake(ingredients);
    if (checkQuality(bread)) {
      putBreadOnDisplay(bread);
    }
  }

  // other methods are implemented
}

class BakeWhiteBreadStrategy extends BakeBreadStrategy {
  @Override
  Bread bake(Ingredients ingredients) {
    // do it
  }
}

class BakeBioBreadStrategy extends BakeBreadStrategy {
  @Override
  Bread bake(Ingredients ingredients) {
    // do it and feel the sunshine
  }
}