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AP Computer Science A/Unit 2: Using Objects
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Analyzing Integer Overflow in Java

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Consider the following method, which is intended to calculate compound interest.

public static int calculateCompoundInterest(int principal, int rate, int years) {
    int amount = principal;
    for (int i = 0; i < years; i++) {
        amount = amount + (amount * rate / 100);
    }
    return amount - principal;
}

Which of the following input scenarios is most likely to cause an integer overflow, leading to an incorrect result? An overflow can occur during any intermediate calculation within the loop.

A

principal = 100, rate = 5, years = 10

B

principal = 50000, rate = 8, years = 15

C

principal = 10000, rate = 3, years = 20

D

principal = 100000000, rate = 25, years = 15

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