**Java Factorial Example**

This Java Factorial Example shows how to calculate factorial of a given number using Java.

*public class NumberFactorial {
public static void main(String[] args) {*

int number = 5;

/*

* Factorial of any number is !n.

* For example, factorial of 4 is 4*3*2*1.

*/

int factorial = number;

for(int i =(number – 1); i > 1; i–)

{

factorial = factorial * i;

}

System.out.println(“Factorial of a number is ” + factorial);

}

}

Here in the code we can see that in the first few lines the definition for a factorial is defined. Now, this definition is being applied in the following lines as “int factorial = number” or factorial of an integer equals to the number – 1; the number must be greater than 1 and the integer i is decremented by 1 until 1 is arrived at. The next process is the multiplication of the numbers obtained. This is seen in factorial = factorial*i. This will give the exact value of the factorial.

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