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• Write a JAVA program to find the factorial of given number. Define appropriate class and methods.

Samikshya Swayamjyoti Sahu answered on November 6, 2023 Popularity 1/10 Helpfulness 1/10

answer • Write a JAVA program to find the factorial of given number. Define appropriate class and methods.

• Write a JAVA program to find the factorial of given number. Define appropriate class and methods.

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class FactorialCalculator {
    public long calculateFactorial(int number) {
        if (number < 0) {
            throw new IllegalArgumentException("Factorial is not defined for negative numbers.");
        }

        if (number == 0 || number == 1) {
            return 1; // Factorial of 0 and 1 is 1
        }

        long factorial = 1;
        for (int i = 2; i <= number; i++) {
            factorial *= i;
        }
        return factorial;
    }
}

public class FactorialExample {
    public static void main(String[] args) {
        int num = 5; // Change this number to find the factorial of a different number

        FactorialCalculator calculator = new FactorialCalculator();
        long factorial = calculator.calculateFactorial(num);

        System.out.println("Factorial of " + num + " is " + factorial);
    }
}

Popularity 1/10 Helpfulness 1/10 Language java

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Tags: class factorial find java

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Contributed on Nov 06 2023

Samikshya Swayamjyoti Sahu

0 Answers Avg Quality 2/10

• Write a JAVA program to find the factorial of given number. Define appropriate class and methods.

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