Chapter 10

Interesting Times

When we are done with this chapter, we will have a single class to represent Money. The two implementations of times() are close, but not identical:

Franc

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Money times(int multiplier) {
   return Money.franc(amount * multiplier);
}

Dollar

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Money times(int multiplier) {
   return Money.dollar(amount * multiplier);
}

There’s no obvious way to make them identical. Sometimes you have ...

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