如何创建ArrayList并将元素添加到ArrayList

 /*来 自 时 代 J a v a 公 众 号 - N o w J a v  a . c o m*/

import java.util.ArrayList;

 

public class Main {

 

  public static void main(String[] args) {

   

    ArrayList arrayList = new ArrayList();

   

    arrayList.add("1");

    arrayList.add("2");

    arrayList.add("3");

   

    System.out.println("Getting elements of ArrayList");

    System.out.println(arrayList.get(0));

    System.out.println(arrayList.get(1));

    System.out.println(arrayList.get(2));

  }

}