学步园

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;


public class ListTest {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		List list=new ArrayList<String>();
		list.add("one");
		list.add("two");
		list.add("three");
		for(Iterator i=list.iterator();i.hasNext();){
		System.out.println(i.next());
		}
		List oList=new ArrayList<String>();
		oList.addAll(list);
		oList.add("five");//输出拷贝后的list
		for(Iterator i=oList.iterator();i.hasNext();){
			System.out.println(i.next());
			}
		//输出原始list
		for(Iterator i=list.iterator();i.hasNext();){
			System.out.println(i.next());
			}
	}

}