使用动态数组

import java.util.ArrayList;//来自 时 代 J     a    v  a - nowjava.com

import java.util.List;


public class Main {


  public static void main(String[] args) {


    List<String> stocks = new ArrayList<>();

    stocks.add("ORCL");

    stocks.add("AAPL");

    stocks.add("GOOG");

    stocks.add("IBM");

    stocks.add("MCD");

    System.out.println("stocks: " + stocks);


  }

}