What is the time complexity of the following Java code?

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

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

$//$ User types in the value of n

int n $=$ Integer.parseInt$($keyboard$.$nextLine$())$;

for $($int i$=500$; i$>0$; i$--)\{$

System.out.println$($n$)$;

$\}$

$\}$

Question $20$ options:

O$($n$^3)$

O$($log n$)$

O$(1)$

O$($n log n$)$

O$($n$^2)$

O$($n$)$