Factorial of a Number in Java

Here, you will get the program code to find the factorial of given number in java programming using while loop.

What is factorial in math?

Factorial is a mathematical term that refers to the product of all positive integers less than or equal to a given number.

For instance, the factorial of 5 is 5 x 4 x 3 x 2 x 1, which equals 120.

class factorial

{

public static void main(String str[])

{

int num,fact=1,i=1;

num=Integer.parseInt(str[0]);

while(num>=i)

{

fact=fact*i;

i++;

}

System.out.println("Factorial of a given no is = "+fact);

}

Output

Check out our other Java Programming Examples