package com.test; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; import java.util.List; /** * @author * @create 2018-03-14 17:14 */ public class HelloWord { public static void main(String[] args) { List<Integer> list = new ArrayList<Integer>(); list.add(1); list.add(5); list.add(9); list.add(10); Iterator<Integer> integerIterator = list.iterator(); while(integerIterator.hasNext()) { int i = integerIterator.next(); if(i == 1) { integerIterator.remove(); } } // 注意重新获取迭代器 Iterator<Integer> integerIterator1 = list.iterator(); while(integerIterator1.hasNext()) { int i = integerIterator1.next(); if(i == 10) { integerIterator1.remove(); } } System.out.println(Arrays.toString(list.toArray())); } }