java集合框架-Vector（三）

import java.util.Vector;

public class VectorDemo {
    public static void main(String[] args) {
        Vector<String> vector = new Vector<>();
        vector.add("apple");
        vector.add("banana");
        vector.add("orange");
        System.out.println(vector);

        String element = vector.get(1);
        System.out.println(element);

        String firstElement = vector.firstElement();
        System.out.println(firstElement);

        String lastElement = vector.lastElement();
        System.out.println(lastElement);
    }
}

[apple, banana, orange]
banana
apple
orange