Chapter 8.2, Problem 4SC

Explanation of Solution

Reason for the class “coin” does not depends on “CashRegister”:

• The concept of coupling says that “A class depends on another if it uses object of that class”.
• The class “coin” and “CashRegister” are given below,

//class for coin

public class Coin

{

public Coin(double aValue, String aName) { . . . }

public double getValue() { . . . }

. . .

}

//class for cash register

public class CashRegister

{

public void enterPayment(int coinCount, Coin coinType)

{ ...