javaSE-集合-enumation

public class VectorDemo {public static void main(String[] args) {//Vector<String> v = new Vector<String>();ArrayList<String> v = new ArrayList<String>();v.add("abc1");v.add("abc2");v.add("abc3");//Iterator<String> it = v.iterator();//while(it.hasNext()){//System.out.println(it.next());//}/*Iterator<String> it = v.iterator();Enumeration<String> en = new Enumeration<String>() {@Overridepublic boolean hasMoreElements() {return it.hasNext();}@Overridepublic String nextElement() {return it.next();}};*///获取集合中的枚举接口对象。Enumeration<String> en = Collections.enumeration(v);while(en.hasMoreElements()){System.out.println(en.nextElement());}}}