find n factorial program in java.
factorial program using loop.
formula of factorial =
n! = n*(n-1)*(n-2)*.....*1.
import java.util.*;
import java.lang.*;
public class Main
{
public static void main(String[] args)
{
Scanner obj=new Scanner(System.in);
int n=obj.nextInt();
int factorial=1;
for(int i=1;i<=n;i++)
{
factorial=factorial * i;
}
System.out.println(factorial);
}
}
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