Frequency Of An Element In An Array

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class Main {

    public static void main(String[] args) {

        int numbers [] = new int[]{2, 5, 8, 9, 2, 3, 2, 9, 6, 5, 5, 5, 9, 8};

        List<Integer> listOfNumbers = new ArrayList<Integer>();

        for(int number:numbers) {
            listOfNumbers.add(number);
        }

        int frequency = Collections.frequency(listOfNumbers, 5);

        System.out.println("The frequency of 5 is " + frequency);

    }
}