If someone who wants to
acquire a compact disc (CD) has just sufficient money to buy one, and chooses
CD a instead of CD b, then CD B is the opportunity cost.
To add, opportunity cost. <span>the loss
of potential gain from other alternatives when one alternative is chosen.</span>
<span>The definition of a class clock. the class has no constructors and three instance variables. one is of type int called hours, initialized to 12, another is of type boolean called isticking, and the last one is of type integer called diff.
</span><span>
public class Clock
{private int hours = 12;
private boolean isTicking;
private Integer diff;}</span>
