[https://blog.csdn.net/u013309870/article/details/75193592](()

[https://www.cnblogs.com/little-YTMM/p/5372680.html](()

String、StringBuffer 与 StringBuilder 之间的区别

======================================

[https://www.cnblogs.com/dolphin0520/p/3778589.html](()

[https://blog.csdn.net/Mecera/article/details/80545395](()

HashMap 底层原理：

============

[http://w 《一线大厂 Java 面试题解析+后端开发学习笔记+最新架构讲解视频+实战项目源码讲义》开源 ww.importnew.com/28263.html](()

[https://blog.csdn.net/hefenglian/article/details/79763634](()

[https://www.cnblogs.com/chengxiao/p/6059914.html](()

[HashMap 多线程并发问题分析](()

====================================================================

[https://www.cnblogs.com/andy-zhou/p/5402984.html](()

HashMap 的 hash 方法

=================

[https://www.zhihu.com/question/20733617](()

Hash 哈希

======

[https://www.cnblogs.com/coder2012/p/3954736.html](()

谈谈 HashCode 的作用

=============

[https://blog.csdn.net/zhangyuan19880606/article/details/51240372](()

[https://www.cnblogs.com/whgk/p/6071617.html](()

如何调用一个自己实现的 java.lang.String 类

============================

[https://blog.csdn.net/xiongyouqiang/article/details/79151903](()

[https://blog.csdn.net/u013206465/article/details/47170253](()

封装两个 Integer 是 128，equals 和‘==’都会返回什么。

==================================

[https://blog.csdn.net/sinat_32363369/article/details/78429604](()

线程的几种状态以及 sleep,wait,yield,join 的区别

=================================

[https://blog.csdn.net/qq_38545713/article/details/79778930](()

悲观锁与乐观锁

===========

[https://blog.csdn.net/qq_34337272/article/details/81072874](()

CAS

===

[https://blog.csdn.net/v123411739/article/details/79561458](()

ThreadLocal

===========

[https://www.cnblogs.com/dolphin0520/p/3920407.html](()

线程池

===

[https://www.cnblogs.com/dolphin0520/p/3932921.html](()

JDK 动态代理-超详细源码分析

===============

[https://www.jianshu.com/p/269afd0a52e6](()

[https://blog.csdn.net/lsgqjh/article/details/68486433](()

Spring IOC -bean 对象的生命周期详解

=========================

[https://blog.csdn.net/qq_33642117/article/details/51924653](()

Runnable 和 Callable 的区别和用法

=======================

[https://blog.csdn.net/mryang125/article/details/81878168](()

[https://blog.csdn.net/Liu_yunzhao/article/details/78504287](()

深入理解 Major GC, Full GC, C Java 开源项目【ali1024.coding.net/public/P7/Java/git】 MS

==========================

[https://blog.csdn.net/hellozhxy/article/details/80649342](()

[Redis 数据过期策略](()

==================================================================

[https://www.cnblogs.com/java-zhao/p/5205771.html](()

[https://www.cnblogs.com/chenpingzhao/p/5022467.html](()

双端队列 Deque

=========

[https://blog.csdn.net/l540675759/article/details/62893335](()

Java 中输入语句.next（）和.nextLine（）的区别

===============================

[https://blog.csdn.net/android_depon/article/details/69669160](()

Java8 Lambda 表达式

===============

[http://www.cnblogs.com/andywithu/p/7357069.html](()

[https://www.cnblogs.com/franson-2016/p/5593080.html](()

Stream

======

[https://www.cnblogs.com/aoeiuv/p/5911692.html](()

[https://www.cnblogs.com/andywithu/p/7404101.html](()

总结

面试建议是，一定要自信，敢于表达，面试的时候我们对知识的掌握有时候很难面面俱到，把自己的思路说出来，而不是直接告诉面试官自己不懂，这也是可以加分的。

以上就是蚂蚁技术四面和 HR 面试题目，以下最新总结的最全，范围包含最全 MySQL、Spring、Redis、JVM 等最全面试题和答案，仅用于参考