If this object represents a class, the return value is an array containing objects representing all interfaces implemented by the class. The order of the interface objects in the array corresponds to the order of the interface names in the implements clause of the declaration of the class represented by this object.
There are 170 calories in a 1 bottle serving of Harpoon Brewery Harpoon IPA. Calorie breakdown: 0% fat, 100% carbs, 0% protein.
A good rule of thumb is to choose the lightest alcohol dry wine or beer in order to have the least calories. In the above graphic you can determine that IPAs have more calories than Lagers and wines with 15% ABV, such as a Napa Cabernet Sauvignon, have higher calories than say a German Kabinett Riesling.