【文件属性】：
文件名称：下拉列表例子
文件大小：1KB
文件格式：JAVA
更新时间：2019-01-08 04:16:48
arraylist
import java.util.ArrayList;
import java.util.ListIterator;
public class ArrayListDemo {
public static void main(String args[]) {
// create an array list
ArrayList al = new ArrayList(3);
System.out.println("Initial size of al: " + al.size());
// add elements to the array list
al.add("C");
al.add("A");
al.add("E");
al.add("B");
al.add("D");
al.add("F");
al.add(1, "A2");
System.out.println("Contents of al: " + al);
System.out.println("Size of al after additions: " + al.size());
// display the array list
System.out.println("Contents of al: " + al);
// Remove elements from the array list
al.remove("F");
al.remove(2);
System.out.println("Contents of al: " + al);
// System.out.println(al.get(2));
// System.out.println(al.indexOf("E"));
ListIterator li = al.listIterator();
while(li.hasNext())
{
System.out.println(li.next());
}
al.clear();
System.out.println(al);
}
}