food components that readily dissolved in water and often impart gummy or gel-like characteristics to foods. An example is pectin from fruit, which is used to thicken jellies. Indigestible by human enzymes but may be broken down to absorbable products by bacteria in the digestive tract.
A spin class is an exercise class in which a group of people ride on stationary bikes. A spin class typically has loud, energetic music playing while the class follows the instructions from the leader to add or subtract resistance to the bikes.
In the above example, an abstract class is declared with one implemented method and three unimplemented methods. A class inheriting from this class would have to implement the Wash, Rinse, and Spin methods. The following example shows what the implementation of this class might look like: Copy.