gracias.
Código PHP:
//Builder patter
public class NutritionFacts
{
private final int servingSize;
private final int servings;
private final int calories;
private final int fat;
private final int sodium;
private final int carbohydrate;
public static class Builder
{
//Required Parameters
private final int servingSize;
private final int servings;
//optional parameters -initialized to default values
private int calories = 0;
private int fat = 0;
private int carbohydrate = 0;
private int sodium = 0;
public Builder(int servingSize, int servings)
{
this.servingSize=servingSize;
this.servings=servings;
}
public Builder calories(int val)
{
calories = val;
return this;
}
public Builder fat(int val)
{
fat=val;
return this;
}
public Builder carbohydrate(int val)
{
carbohydrate=val;
return this;
}
public Builder sodium(int val)
{
sodium=val;
return this;
}
public NutritionFacts build()
{
return new NutritionFacts(this);
}
}//fin Builder
public NutritionFacts(Builder builder)
{
servingSize = builder.servingSize;
servings = builder.servings;
calories = builder.calories;
fat = builder.fat;
sodium = builder.sodium;
carbohydrate = builder.carbohydrate;
}
public static void main(String arguments[])
{
NutritionFacts nutri = new NutritionFacts.Builder(240,8).
calories(100).sodium(35).carbohydrate(27).build();
System.out.println(nutri);
}
}//fin NutritionFacts
