java里的foreach迭代器_java迭代器Iterator和foreach循环
迭代器应用：list l = new ArrayList();l.add("aa");l.add("bb");l.add("cc");for (Iterator iter = l.iterator(); iter.hasNext();) {String str = (String)iter.next();System.out.println(str);}/*迭代器用于while循环Iterat...
