Can you please explain the code now?

import java.util.Scanner;

import java.math.BigInteger;

public class LargeFactorial $\{$

public static void main$($String$[]$ args$)\{$

Scanner input $=$ new Scanner$($System$.$in$)$;

System.out.print$("$Enter an integer: $")$;

int n $=$ input.nextInt$()$; $//$ Corrected typo from "next$/$ntO$"$ to "nextInt"

System.out.println$($n $+"!$ is $"+$ factorial$($n$))$; $//$ Corrected typo from "print$/$n$"$ to "println"

$\}$

public static BigInteger factorial$($long n$)\{$

BigInteger result $=$ BigInteger.ONE;

$//$ Multiply each i from $1$ to n

for $($int i $=1$; i $<=$ n; i$++)\{$

result $=$ result.multiply$($new BigInteger$($String$.$valueOf$($i$)))$; $//$ Corrected typo from "new BigIntegeri$+""$ to "new BigInteger$($String$.$valueOf$($i$))"$

$\}$

return result;

$\}$

$\}$