Core Java · interview question
How can you correct the following code to ensure the discount is applied correctly?
Multiple choiceMediumchapter-1-curatedpremiumcore-javacode-reading-and-debugging
double total = 100.0;
double discount = 0.2;
double finalPrice = total - discount;Answer and explanation
Correct answer
A. Change 'total - discount' to 'total * (1 - discount)'
Why
To apply a discount correctly, you need to calculate the percentage of the total to subtract, which is done by multiplying by (1 - discount).
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