JAVA List에 저장된 마지막 값 체크 아웃

import java.util.*;

public class GetTheLastStoredValue {
    public static void main(String[] args) {
        List<Integer> numbers = new ArrayList<Integer>();
        numbers.add(5);
        numbers.add(100);
        numbers.add(9);
        numbers.add(4);
        numbers.add(50);

        // acquire the last value stored away by a list
        System.out.println(numbers.get(numbers.size() - 1));
        // acquire the value of the last but one(最後から2番目の値を取得する)
        System.out.println(numbers.get(numbers.size() - 2));
        System.out.println(numbers.get(numbers.size() - 3));
    }

}