package shixunTest; import java.util.ArrayList; import java.util.Collections; import java.util.Iterator; import java.util.LinkedList; import java.util.List; public class CollectionTest { public static void addListElements(List list){ for(int i=0;i<10000;i++){ list.add(i+""); } } public static void addLinkedListElements(LinkedList list){ } public static void main(String[] args) { ArrayList list=new ArrayList(); CollectionTest.addListElements(list); Iterator iterator=list.iterator(); } }