public void makeChange(double currency) {
    double currencyValue = (currency * 100.0);
    long dollars = 0L;
    long quarters = 0L;
    long dimes = 0L;
    long nickels = 0L;
    long pennies = 0L;
    
    // Divide remaining currency by currency values and cast to whole number
    // Remainder stored back into remaining currency.
    dollars = (long) (currencyValue / 100.0);
    currencyValue = (currencyValue % 100.0);
    
    quarters = (long) (currencyValue / 25.0);
    currencyValue = (currencyValue % 25.0);
    
    dimes = (long) (currencyValue / 10.0);
    currencyValue = (currencyValue % 10.0);
    
    nickels = (long) (currencyValue / 5.0);
    currencyValue = (currencyValue % 5.0);

    // All that is left is pennies after all other units subtracted out.
    pennies = (long)currencyValue;
    
    System.out.printf("The currency %.2f makes %d dollars, %d quarters, %d dimes, %d nickles and %d penniesn", currency, dollars, quarters, dimes, nickels, pennies);
    
}

Posted: March 20, 2023

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