Count Frequency of Element 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];
for(int i=0;i<n;i++) arr[i]=sc.nextInt();
int key=sc.nextInt();

int count=0;
for(int num:arr){
if(num==key) count++;
}
System.out.println(count);
}
}