Java Programming – Finding Factorial
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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This is in continuation with our previous articles on Java and Java Assignment help
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