Q:

Write a method that calculates the factorial of a given number

mahmoud2506
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2022-04-28
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Write a method that calculates the factorial of a given number.
Factorial is the product of all positive integers less than or equal to n. For example, factorial(4) = 4x3x2x1 = 24.
TIP: To make it more interesting, try to do it recursively.

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mahmoud2506
2022-04-28
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public Integer factorial(Integer n) {
int factorial = n;
for (int j = n - 1; j > 0; j--) {
    factorial = factorial * j;
}
return factorial;
}

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