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Description: Java面试整理，涵盖基础、JVM、线程并发、框架、MySQL、微服务、Redis、中间件、数据结构与算法等。陆续完善中 - JavaInterview/interviewDoc/Java/base/Java集合&容器.md at master · zhangjun1998/JavaInterview

Open Graph Description: Java面试整理，涵盖基础、JVM、线程并发、框架、MySQL、微服务、Redis、中间件、数据结构与算法等。陆续完善中 - zhangjun1998/JavaInterview

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Java面试整理高清PDF下载https://gitee.com/tiger-a/java-interview/blob/master/interviewDoc/Java/index.md
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什么是集合https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E4%BB%80%E4%B9%88%E6%98%AF%E9%9B%86%E5%90%88
集合的特点https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E9%9B%86%E5%90%88%E7%9A%84%E7%89%B9%E7%82%B9
集合和数组的区别https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E9%9B%86%E5%90%88%E5%92%8C%E6%95%B0%E7%BB%84%E7%9A%84%E5%8C%BA%E5%88%AB
使用集合框架的好处https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E4%BD%BF%E7%94%A8%E9%9B%86%E5%90%88%E6%A1%86%E6%9E%B6%E7%9A%84%E5%A5%BD%E5%A4%84
常用的集合类有哪些？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%B8%B8%E7%94%A8%E7%9A%84%E9%9B%86%E5%90%88%E7%B1%BB%E6%9C%89%E5%93%AA%E4%BA%9B
Java中的集合及其继承关系https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#java%E4%B8%AD%E7%9A%84%E9%9B%86%E5%90%88%E5%8F%8A%E5%85%B6%E7%BB%A7%E6%89%BF%E5%85%B3%E7%B3%BB
List，Set，Map三者的区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#listsetmap%E4%B8%89%E8%80%85%E7%9A%84%E5%8C%BA%E5%88%AB
List、Map、Set三个接口，存取元素时，各有什么特点？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#listmapset%E4%B8%89%E4%B8%AA%E6%8E%A5%E5%8F%A3%E5%AD%98%E5%8F%96%E5%85%83%E7%B4%A0%E6%97%B6%E5%90%84%E6%9C%89%E4%BB%80%E4%B9%88%E7%89%B9%E7%82%B9
集合框架底层数据结构https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E9%9B%86%E5%90%88%E6%A1%86%E6%9E%B6%E5%BA%95%E5%B1%82%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84
哪些集合类是线程安全的？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%93%AA%E4%BA%9B%E9%9B%86%E5%90%88%E7%B1%BB%E6%98%AF%E7%BA%BF%E7%A8%8B%E5%AE%89%E5%85%A8%E7%9A%84
Java集合的快速失败机制 “fail-fast”？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#java%E9%9B%86%E5%90%88%E7%9A%84%E5%BF%AB%E9%80%9F%E5%A4%B1%E8%B4%A5%E6%9C%BA%E5%88%B6-fail-fast
怎么确保一个集合不能被修改？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E6%80%8E%E4%B9%88%E7%A1%AE%E4%BF%9D%E4%B8%80%E4%B8%AA%E9%9B%86%E5%90%88%E4%B8%8D%E8%83%BD%E8%A2%AB%E4%BF%AE%E6%94%B9
Comparator和Comparable的区别?https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#comparator%E5%92%8Ccomparable%E7%9A%84%E5%8C%BA%E5%88%AB
poll()方法和remove()方法区别?https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#poll%E6%96%B9%E6%B3%95%E5%92%8Cremove%E6%96%B9%E6%B3%95%E5%8C%BA%E5%88%AB
Java中的同步集合与并发集合有什么区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#java%E4%B8%AD%E7%9A%84%E5%90%8C%E6%AD%A5%E9%9B%86%E5%90%88%E4%B8%8E%E5%B9%B6%E5%8F%91%E9%9B%86%E5%90%88%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB
ArrayList,Vector,LinkedList的存储性能和特性https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#arraylistvectorlinkedlist%E7%9A%84%E5%AD%98%E5%82%A8%E6%80%A7%E8%83%BD%E5%92%8C%E7%89%B9%E6%80%A7
ArrayList和Array有什么区别?https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#arraylist%E5%92%8Carray%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB
ArrayList和HashMap默认大小?https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#arraylist%E5%92%8Chashmap%E9%BB%98%E8%AE%A4%E5%A4%A7%E5%B0%8F
如何实现集合排序?https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E9%9B%86%E5%90%88%E6%8E%92%E5%BA%8F
我们如何对一组对象进行排序？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E6%88%91%E4%BB%AC%E5%A6%82%E4%BD%95%E5%AF%B9%E4%B8%80%E7%BB%84%E5%AF%B9%E8%B1%A1%E8%BF%9B%E8%A1%8C%E6%8E%92%E5%BA%8F
集合框架中的泛型有什么优点？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E9%9B%86%E5%90%88%E6%A1%86%E6%9E%B6%E4%B8%AD%E7%9A%84%E6%B3%9B%E5%9E%8B%E6%9C%89%E4%BB%80%E4%B9%88%E4%BC%98%E7%82%B9
Java集合框架的基础接口有哪些？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#java%E9%9B%86%E5%90%88%E6%A1%86%E6%9E%B6%E7%9A%84%E5%9F%BA%E7%A1%80%E6%8E%A5%E5%8F%A3%E6%9C%89%E5%93%AA%E4%BA%9B
Collection接口https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#collection%E6%8E%A5%E5%8F%A3
Collections类是什么？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#collections%E7%B1%BB%E6%98%AF%E4%BB%80%E4%B9%88
Collection包结构，与Collections的区别https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#collection%E5%8C%85%E7%BB%93%E6%9E%84%E4%B8%8Ecollections%E7%9A%84%E5%8C%BA%E5%88%AB
迭代器 Iterator 是什么？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E8%BF%AD%E4%BB%A3%E5%99%A8-iterator-%E6%98%AF%E4%BB%80%E4%B9%88
Iterator 怎么使用？有什么特点？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#iterator-%E6%80%8E%E4%B9%88%E4%BD%BF%E7%94%A8%E6%9C%89%E4%BB%80%E4%B9%88%E7%89%B9%E7%82%B9
Iterator和ListIterator的区别是什么？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#iterator%E5%92%8Clistiterator%E7%9A%84%E5%8C%BA%E5%88%AB%E6%98%AF%E4%BB%80%E4%B9%88
Iterator和ListIterator的区别是什么？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#iterator%E5%92%8Clistiterator%E7%9A%84%E5%8C%BA%E5%88%AB%E6%98%AF%E4%BB%80%E4%B9%88
如何边遍历边移除 Collection 中的元素？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A6%82%E4%BD%95%E8%BE%B9%E9%81%8D%E5%8E%86%E8%BE%B9%E7%A7%BB%E9%99%A4-collection-%E4%B8%AD%E7%9A%84%E5%85%83%E7%B4%A0
Iterator 和 ListIterator 有什么区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#iterator-%E5%92%8C-listiterator-%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB
遍历一个 List 有哪些不同的方式？每种方法的实现原理是什么？Java 中 List 遍历的最佳实践是什么？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E9%81%8D%E5%8E%86%E4%B8%80%E4%B8%AA-list-%E6%9C%89%E5%93%AA%E4%BA%9B%E4%B8%8D%E5%90%8C%E7%9A%84%E6%96%B9%E5%BC%8F%E6%AF%8F%E7%A7%8D%E6%96%B9%E6%B3%95%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86%E6%98%AF%E4%BB%80%E4%B9%88java-%E4%B8%AD-list-%E9%81%8D%E5%8E%86%E7%9A%84%E6%9C%80%E4%BD%B3%E5%AE%9E%E8%B7%B5%E6%98%AF%E4%BB%80%E4%B9%88
说一下 ArrayList 的优缺点https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E8%AF%B4%E4%B8%80%E4%B8%8B-arraylist-%E7%9A%84%E4%BC%98%E7%BC%BA%E7%82%B9
如何实现数组和 List 之间的转换？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E6%95%B0%E7%BB%84%E5%92%8C-list-%E4%B9%8B%E9%97%B4%E7%9A%84%E8%BD%AC%E6%8D%A2
ArrayList 和 LinkedList 的区别是什么？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#arraylist-%E5%92%8C-linkedlist-%E7%9A%84%E5%8C%BA%E5%88%AB%E6%98%AF%E4%BB%80%E4%B9%88
ArrayList 和 Vector 的区别是什么？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#arraylist-%E5%92%8C-vector-%E7%9A%84%E5%8C%BA%E5%88%AB%E6%98%AF%E4%BB%80%E4%B9%88
插入数据时，ArrayList、LinkedList、Vector谁速度较快？阐述 ArrayList、Vector、LinkedList 的存储性能和特性？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E6%8F%92%E5%85%A5%E6%95%B0%E6%8D%AE%E6%97%B6arraylistlinkedlistvector%E8%B0%81%E9%80%9F%E5%BA%A6%E8%BE%83%E5%BF%AB%E9%98%90%E8%BF%B0-arraylistvectorlinkedlist-%E7%9A%84%E5%AD%98%E5%82%A8%E6%80%A7%E8%83%BD%E5%92%8C%E7%89%B9%E6%80%A7
多线程场景下如何使用 ArrayList？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A4%9A%E7%BA%BF%E7%A8%8B%E5%9C%BA%E6%99%AF%E4%B8%8B%E5%A6%82%E4%BD%95%E4%BD%BF%E7%94%A8-arraylist
为什么 ArrayList 的 elementData 加上 transient 修饰？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E4%B8%BA%E4%BB%80%E4%B9%88-arraylist-%E7%9A%84-elementdata-%E5%8A%A0%E4%B8%8A-transient-%E4%BF%AE%E9%A5%B0
List 和 Set 的区别https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#list-%E5%92%8C-set-%E7%9A%84%E5%8C%BA%E5%88%AB
Set接口https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#set%E6%8E%A5%E5%8F%A3
说一下 HashSet 的实现原理？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E8%AF%B4%E4%B8%80%E4%B8%8B-hashset-%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86
HashSet如何检查重复？HashSet是如何保证数据不可重复的？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashset%E5%A6%82%E4%BD%95%E6%A3%80%E6%9F%A5%E9%87%8D%E5%A4%8Dhashset%E6%98%AF%E5%A6%82%E4%BD%95%E4%BF%9D%E8%AF%81%E6%95%B0%E6%8D%AE%E4%B8%8D%E5%8F%AF%E9%87%8D%E5%A4%8D%E7%9A%84
HashSet与HashMap的区别https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashset%E4%B8%8Ehashmap%E7%9A%84%E5%8C%BA%E5%88%AB
Map接口https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#map%E6%8E%A5%E5%8F%A3
什么是Hash算法https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E4%BB%80%E4%B9%88%E6%98%AFhash%E7%AE%97%E6%B3%95
什么是链表https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E4%BB%80%E4%B9%88%E6%98%AF%E9%93%BE%E8%A1%A8
说一下HashMap的实现原理？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E8%AF%B4%E4%B8%80%E4%B8%8Bhashmap%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86
如何决定选用HashMap还是TreeMap？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A6%82%E4%BD%95%E5%86%B3%E5%AE%9A%E9%80%89%E7%94%A8hashmap%E8%BF%98%E6%98%AFtreemap
Map接口提供了哪些不同的集合视图？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#map%E6%8E%A5%E5%8F%A3%E6%8F%90%E4%BE%9B%E4%BA%86%E5%93%AA%E4%BA%9B%E4%B8%8D%E5%90%8C%E7%9A%84%E9%9B%86%E5%90%88%E8%A7%86%E5%9B%BE
HashMap在JDK1.7和JDK1.8中有哪些不同？HashMap的底层实现https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap%E5%9C%A8jdk17%E5%92%8Cjdk18%E4%B8%AD%E6%9C%89%E5%93%AA%E4%BA%9B%E4%B8%8D%E5%90%8Chashmap%E7%9A%84%E5%BA%95%E5%B1%82%E5%AE%9E%E7%8E%B0
什么是红黑树https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E4%BB%80%E4%B9%88%E6%98%AF%E7%BA%A2%E9%BB%91%E6%A0%91
HashMap的put方法的具体流程？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap%E7%9A%84put%E6%96%B9%E6%B3%95%E7%9A%84%E5%85%B7%E4%BD%93%E6%B5%81%E7%A8%8B
HashMap的扩容操作是怎么实现的？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap%E7%9A%84%E6%89%A9%E5%AE%B9%E6%93%8D%E4%BD%9C%E6%98%AF%E6%80%8E%E4%B9%88%E5%AE%9E%E7%8E%B0%E7%9A%84
HashMap是怎么解决哈希冲突的？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap%E6%98%AF%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3%E5%93%88%E5%B8%8C%E5%86%B2%E7%AA%81%E7%9A%84
能否使用任何类作为 Map 的 key？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E8%83%BD%E5%90%A6%E4%BD%BF%E7%94%A8%E4%BB%BB%E4%BD%95%E7%B1%BB%E4%BD%9C%E4%B8%BA-map-%E7%9A%84-key
为什么HashMap中String、Integer这样的包装类适合作为Key？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E4%B8%BA%E4%BB%80%E4%B9%88hashmap%E4%B8%ADstringinteger%E8%BF%99%E6%A0%B7%E7%9A%84%E5%8C%85%E8%A3%85%E7%B1%BB%E9%80%82%E5%90%88%E4%BD%9C%E4%B8%BAkey
如果使用Object作为HashMap的Key，应该怎么办呢？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A6%82%E6%9E%9C%E4%BD%BF%E7%94%A8object%E4%BD%9C%E4%B8%BAhashmap%E7%9A%84key%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E5%8A%9E%E5%91%A2
HashMap为什么不直接使用hashCode()处理后的哈希值直接作为table的下标？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E7%9B%B4%E6%8E%A5%E4%BD%BF%E7%94%A8hashcode%E5%A4%84%E7%90%86%E5%90%8E%E7%9A%84%E5%93%88%E5%B8%8C%E5%80%BC%E7%9B%B4%E6%8E%A5%E4%BD%9C%E4%B8%BAtable%E7%9A%84%E4%B8%8B%E6%A0%87
HashMap 的长度为什么是2的幂次方https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap-%E7%9A%84%E9%95%BF%E5%BA%A6%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF2%E7%9A%84%E5%B9%82%E6%AC%A1%E6%96%B9
HashMap 与 HashTable 有什么区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap-%E4%B8%8E-hashtable-%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB
什么是TreeMap 简介https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E4%BB%80%E4%B9%88%E6%98%AFtreemap-%E7%AE%80%E4%BB%8B
TreeMap的实现原理https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#treemap%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86
如何决定使用 HashMap 还是 TreeMap？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A6%82%E4%BD%95%E5%86%B3%E5%AE%9A%E4%BD%BF%E7%94%A8-hashmap-%E8%BF%98%E6%98%AF-treemap
HashMap 和 ConcurrentHashMap 的区别https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap-%E5%92%8C-concurrenthashmap-%E7%9A%84%E5%8C%BA%E5%88%AB
ConcurrentHashMap 和 Hashtable 的区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#concurrenthashmap-%E5%92%8C-hashtable-%E7%9A%84%E5%8C%BA%E5%88%AB
1 、HashTable:https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#1-hashtable
2 、 JDK1.7的ConcurrentHashMap：https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#2--jdk17%E7%9A%84concurrenthashmap
3 、JDK1.8的ConcurrentHashMap（TreeBin: 红黑二叉树节点 Node: 链表节点）：https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#3-jdk18%E7%9A%84concurrenthashmaptreebin-%E7%BA%A2%E9%BB%91%E4%BA%8C%E5%8F%89%E6%A0%91%E8%8A%82%E7%82%B9-node-%E9%93%BE%E8%A1%A8%E8%8A%82%E7%82%B9
ConcurrentHashMap 底层具体实现知道吗？实现原理是什么？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#concurrenthashmap-%E5%BA%95%E5%B1%82%E5%85%B7%E4%BD%93%E5%AE%9E%E7%8E%B0%E7%9F%A5%E9%81%93%E5%90%97%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86%E6%98%AF%E4%BB%80%E4%B9%88
如何保证线程安全又效率高？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A6%82%E4%BD%95%E4%BF%9D%E8%AF%81%E7%BA%BF%E7%A8%8B%E5%AE%89%E5%85%A8%E5%8F%88%E6%95%88%E7%8E%87%E9%AB%98
辅助工具类https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E8%BE%85%E5%8A%A9%E5%B7%A5%E5%85%B7%E7%B1%BB
Array 和 ArrayList 有何区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#array-%E5%92%8C-arraylist-%E6%9C%89%E4%BD%95%E5%8C%BA%E5%88%AB
如何实现 Array 和 List 之间的转换？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0-array-%E5%92%8C-list-%E4%B9%8B%E9%97%B4%E7%9A%84%E8%BD%AC%E6%8D%A2
comparable 和 comparator的区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#comparable-%E5%92%8C-comparator%E7%9A%84%E5%8C%BA%E5%88%AB
Collection 和 Collections 有什么区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#collection-%E5%92%8C-collections-%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB
TreeMap 和 TreeSet 在排序时如何比较元素？Collections 工具类中的 sort()方法如何比较元素？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#treemap-%E5%92%8C-treeset-%E5%9C%A8%E6%8E%92%E5%BA%8F%E6%97%B6%E5%A6%82%E4%BD%95%E6%AF%94%E8%BE%83%E5%85%83%E7%B4%A0collections-%E5%B7%A5%E5%85%B7%E7%B1%BB%E4%B8%AD%E7%9A%84-sort%E6%96%B9%E6%B3%95%E5%A6%82%E4%BD%95%E6%AF%94%E8%BE%83%E5%85%83%E7%B4%A0
Collection 和 Collections 有什么区别？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#collection-%E5%92%8C-collections-%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB
TreeMap 和 TreeSet 在排序时如何比较元素？Collections 工具类中的 sort()方法如何比较元素？https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#treemap-%E5%92%8C-treeset-%E5%9C%A8%E6%8E%92%E5%BA%8F%E6%97%B6%E5%A6%82%E4%BD%95%E6%AF%94%E8%BE%83%E5%85%83%E7%B4%A0collections-%E5%B7%A5%E5%85%B7%E7%B1%BB%E4%B8%AD%E7%9A%84-sort%E6%96%B9%E6%B3%95%E5%A6%82%E4%BD%95%E6%AF%94%E8%BE%83%E5%85%83%E7%B4%A0
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#什么是集合
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#集合的特点
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#集合和数组的区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#使用集合框架的好处
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#常用的集合类有哪些
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#java中的集合及其继承关系
https://camo.githubusercontent.com/01b7e616bbf40709332dc92ba68fad64310b958d594be017cc0c3e48783f1011/68747470733a2f2f67697465652e636f6d2f67736a7177796c2f696d616765735f7265706f2f7261772f6d61737465722f323032312d332d31312f32303231303430313133323034322e706e67
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#listsetmap三者的区别
https://camo.githubusercontent.com/08ff622c31a4e7205f2a1218c36379d220ec92f1b085dd698ca1a021cb54cbc7/68747470733a2f2f757365722d676f6c642d63646e2e786974752e696f2f323032302f342f31332f313731373335353165373064653462643f696d616765736c696d
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#listmapset三个接口存取元素时各有什么特点
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#集合框架底层数据结构
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#哪些集合类是线程安全的
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#java集合的快速失败机制-fail-fast
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#怎么确保一个集合不能被修改
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#comparator和comparable的区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#poll方法和remove方法区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#java中的同步集合与并发集合有什么区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#arraylistvectorlinkedlist的存储性能和特性
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#arraylist和array有什么区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#arraylist和hashmap默认大小
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#如何实现集合排序
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#我们如何对一组对象进行排序
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#集合框架中的泛型有什么优点
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#java集合框架的基础接口有哪些
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#collection接口
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#为什么-arraylist-的-elementdata-加上-transient-修饰
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#list-和-set-的区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#set接口
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashset如何检查重复hashset是如何保证数据不可重复的
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashset与hashmap的区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#map接口
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#什么是hash算法
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#什么是链表
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#能否使用任何类作为-map-的-key
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap-的长度为什么是2的幂次方
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#hashmap-与-hashtable-有什么区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#什么是treemap-简介
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#2-jdk17的concurrenthashmap
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#3jdk18的concurrenthashmaptreebin-红黑二叉树节点-node-链表节点
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#concurrenthashmap-底层具体实现知道吗实现原理是什么
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#如何保证线程安全又效率高
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https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#collection-和-collections-有什么区别
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#treemap-和-treeset-在排序时如何比较元素collections-工具类中的-sort方法如何比较元素
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#collection-和-collections-有什么区别-1
https://github.com/zhangjun1998/JavaInterview/blob/master/interviewDoc/Java/base/Java集合&容器.md#treemap-和-treeset-在排序时如何比较元素collections-工具类中的-sort方法如何比较元素-1
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