Sum of Elements in Array

import java.util.*;
class Main{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
int[] arr=new int[n];
int sum=0;
for(int i=0;i<n;i++){

arr[i]=sc.nextInt();
sum+=arr[i];
}
System.out.println(sum);
}
}