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.
Abstract Methods and Classes. An abstract class is a class that is declared abstractâit may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed. When an abstract class is subclassed, the subclass usually provides implementations for all of the abstract methods in its parent class.