Java count the occurrences of an element in list

/**
 * @author lautturi.com 
 * Java example: Count occurrences of an element in a list 
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		ArrayList<String> arrList = new ArrayList<>();
		arrList.add("java");
		arrList.add("python");
		arrList.add("hello");
		
		arrList.add("lautturi");
		arrList.add("java");
		arrList.add("python");
		arrList.add("hello");
		
		int occurrences = Collections.frequency(arrList, "python");
		System.out.println("The number of occurrences of python " + occurrences);
	}
}