java List 复制

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 stubList 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listfor(Iterator i=oList.iterator();i.hasNext();){System.out.println(i.next());}//输出原始listfor(Iterator i=list.iterator();i.hasNext();){System.out.println(i.next());}}}