如何在Java中迭代一个列表？
The List interface extends Collection interface and stores a sequence of elements. The List interface provides two methods to efficiently insert and remove multiple elements at an arbitrary point in the list. Unlike sets, list allows duplicate elements, allows multiple null values if null value is allowed in the list.
Java List provides two kinds of iterators using iterator() or listIterator(). First one is forward moving only while listIterator is more flexible, allows both way of navigation, backwards or forwards, allows to modify the list during iterating. In this article, we're discussing both types of iterators to iterate a list using corresponding examples.
Use Iterator
Get iterator from the list to iterate through its elements.
Iterator iterator = list.iterator(); while(iterator.hasNext()) { System.out.print(iterator.next() + " "); }登录后复制登录后复制
