How do I find a number Factorial in Java

To find a number factorial in java , Follow the process.

Go the series : https://browncodeit.blogspot.com/p/java-programs.html

Source Code:

public class FactorialDemo {
	public static void main(String[] args) {
		try (Scanner input = new Scanner(System.in)) {
			int n,i,fact = 1;	//variable declaration.
			
			System.out.println("Enter the number: ");
			n = input.nextInt();	//take input in n variable.
			
			for(i=n;i>=1;i--) {
				 fact = fact*i;
			}
		
		System.out.println("factorial is :"+fact);
	   }
	}
}

Output:

Enter the number: 5

factorial is :120

Enter the number: 8

factorial is :40320