TestArrayList.java

package Collection;

import java.lang.reflect.Array;

/**
 * Created by bdl19 on 2017/2/23.
 */
public class TestArrayList {
    /*public  static void main(String[] args){
        /*
        ArrayList al= new ArrayList("test1");
        System.out.println(al);
        al.add("test2");
        System.out.println(al);
        al.add(1,2);
        System.out.println(al);
        System.out.println(al.get(2));
        System.out.println(al.get(1));
        System.out.println(al.get(0));
       // System.out.println(al.get(3));
        System.out.println(al.size());
        System.out.println(al.remove(2));
        System.out.println(al);

        ArrayList al =new ArrayList();
        al.add(3,2);
        al.add(0,0);
        System.out.println(al.size());
        System.out.println(al);

    }
    **/
}