JAVA Listに格納された最後の値を取り出す

▪️GetTheLastStoredValue.java

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));
	}

}

▪️実行結果
50
4
9