遍歷list的方法

1. 迭代器

1  List<String> myList = Lists.newArrayList();
2  
3  Iterator<String> iterator = myList.iterator();
4  while(iterator.hasNext()) {
5       Strimg tmp = iterator.next();
6       System.out.print(tmp) ;  
7  }

2. for循環

for (String str:myList)
      System.out.println(str)
}