factorial method library in java

Super Salamander answered on January 23, 2021 Popularity 9/10 Helpfulness 1/10

answer factorial method library in java

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factorial method library in java

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2.4. Factorial Using Apache Commons Math
Apache Commons Math has a CombinatoricsUtils class with a static factorial method that we can use to calculate the factorial.

To include Apache Commons Math, we'll add the commons-math3 dependency into our pom:

<dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-math3</artifactId>
    <version>3.6.1</version>
</dependency>
Let's see an example using the CombinatoricsUtils class:

public long factorialUsingApacheCommons(int n) {
    return CombinatoricsUtils.factorial(n);
}

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Source: www.baeldung.com

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Contributed on Jan 23 2021

Super Salamander

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public class Factorial {

    public static void main(String[] args) {

        int num = 10;
        long factorial = 1;
        for(int i = 1; i <= num; ++i)
        {
            // factorial = factorial * i;
            factorial *= i;
        }
        System.out.printf("Factorial of %d = %d", num, factorial);
    }
}

Popularity 10/10 Helpfulness 5/10 Language java

Source: www.programiz.com

Tags: factorial fact

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Contributed on Apr 28 2022

Annoyed Alpaca

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factorial method library in java

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