1.Java特性
(1.1)对java多态的理解
https://www.jianshu.com/p/8cfb92ecaabe
http://www.cnblogs.com/hupp/p/4854918.html
此处延伸《动态绑定》:
http://hxraid.iteye.com/blog/428891
(1.2)Java中实现多态的机制是什么?
https://www.jianshu.com/p/8cfb92ecaabe
http://www.cnblogs.com/hupp/p/4854918.html
2.字符串String、数组、数据类型转换
(2.1)Java中String的了解
https://www.jianshu.com/p/2f209af80f84
(2.2)String,Stringbuffer,Stringbuilder三者的区别
http://blog.csdn.net/kingzone_2008/article/details/9220691
(2.3)String为什么要设计成不可变的?
https://www.jianshu.com/p/16480390a847
https://www.jianshu.com/p/48b011688edc
(2.4)string 转换成 integer的方式及原理
http://blog.csdn.net/sinat_20259781/article/details/52024763
(2.5)int、char、long各占多少字节数
http://blog.csdn.net/never_cxb/article/details/47204485
(2.6)int与integer的区别
https://www.cnblogs.com/liuling/archive/2013/05/05/intAndInteger.html
https://www.jianshu.com/p/08010144d40f
3.Java各方面基础
(3.1)java中==和equals和hashCode的区别
http://blog.csdn.net/hla199106/article/details/46907725
(3.2)Object类的equal和hashCode方法重写,为什么?
https://www.jianshu.com/p/f9cc84047bd6
(3.3)修改对象A的equals方法的签名,那么使用HashMap存放这个对象实例的时候,会调用哪个equals方法?
https://www.jianshu.com/p/7d3feb156be4
(3.4)线程sleep和wait有什么区别
http://blog.csdn.net/liuzhenwen/article/details/4202967
(3.5)闭包和局部内部类的区别
https://www.jianshu.com/p/f55b11a4cec2
https://www.jianshu.com/p/367b138fe909
(3.6)进程和线程的区别
https://www.jianshu.com/p/a4fa4edbeb8a
(3.7)序列化的方式
https://www.jianshu.com/p/ff770511a097
(3.8)Serializable 和Parcelable 的区别
https://www.jianshu.com/p/a60b609ec7e7
(3.9)静态属性和静态方法是否可以被继承?是否可以被重写?以及原因?
http://blog.csdn.net/liuconey/article/details/51555362
http://blog.csdn.net/carmelo_z/article/details/67086140
(3.10)静态内部类的设计意图
http://blog.csdn.net/blessed24/article/details/78077134
https://www.cnblogs.com/aademeng/articles/6192954.html
(3.11)成员内部类、静态内部类、局部内部类和匿名内部类的理解,以及项目中的应用
https://www.jianshu.com/p/5c5fa1377c79
https://www.jianshu.com/p/e385ce41ca5b
(3.12)什么是内部类?内部类的作用
https://www.jianshu.com/p/e385ce41ca5b
(3.13)讲一下常见编码方式?
https://www.cnblogs.com/liujinhong/p/5995946.html
(3.14)utf-8编码中的中文占几个字节;int型几个字节?
https://www.jianshu.com/p/c34d3e5790a4
(3.15)Java的异常体系
https://www.jianshu.com/p/93aa1cf26b97
(3.16)如何将一个Java对象序列化到文件里?
http://blog.csdn.net/it_wangxiangpan/article/details/5781941
(3.17)final,finally,finalize的区别
https://www.jianshu.com/p/59b77edd3319
(3.18)说说你对Java反射的理解
https://www.jianshu.com/p/6277c1f9f48d
https://www.jianshu.com/p/1a21a9cb5bea
(3.19)说说你对Java注解的理解
https://www.jianshu.com/p/0b1af95c1335
https://www.jianshu.com/p/4068da3c8d3d
(3.20)说说你对依赖注入的理解
https://www.jianshu.com/p/506dcd94d4f9
(3.21)静态代理和动态代理的区别,什么场景使用?
https://www.jianshu.com/p/2f518a4a4c2b
https://www.jianshu.com/p/861223789d53
4.抽象类与接口
(4.1)抽象类和接口区别
https://www.jianshu.com/p/038f0b356e9a
https://www.jianshu.com/p/612e2d2a8a78
(4.2)抽象类的意义
http://blog.csdn.net/wei_zhi/article/details/52736350
(4.3)抽象类与接口的应用场景
http://blog.csdn.net/xcbeyond/article/details/7667733
(4.4)抽象类是否可以没有方法和属性?
当然可以。。
(4.5)接口的意义
http://blog.csdn.net/oreo_go/article/details/52102514
PS:(4.1)-(4.4)都是一类东西,基本上过一遍详细的文章,都能解决。
(4.6)父类的静态方法能否被子类重写
https://www.jianshu.com/p/df43f5500ea3
5.JVM、垃圾回收(GC)
(5.1)java虚拟机的工作原理
https://www.cnblogs.com/lishun1005/p/6019678.html
(5.2)java虚拟机和Dalvik虚拟机的区别
http://www.jianshu.com/p/923aebd31b65
(5.3)哪些情况下的对象会被垃圾回收机制处理掉?
https://www.jianshu.com/p/5261a62e4d29
https://www.jianshu.com/p/778dd3848196
(5.4)谈谈你对解析与分派的认识。
这个已经有点深入了,建议从虚拟机入手,先了解清楚。
https://www.jianshu.com/p/355ae3bcec41
6.Java数据结构和算法
算法在这里就没必要收集面试题了,这个不是一下子能掌握的东西,需要题目的自己百度去背简单的几个算法。
掌握算法需要一个过程,我建议可以去leetcode、lintcode等刷提网站练习。
(6.1)常用数据结构简介
https://www.jianshu.com/p/44a1e5bc077a
(6.2)并发集合了解哪些?
http://youyu4.iteye.com/blog/2352846
(6.3)列举java的集合以及集合之间的继承关系
https://www.jianshu.com/p/63e76826e852
(6.4)集合类以及集合框架
https://www.jianshu.com/p/63e76826e852
(6.5)容器类介绍以及之间的区别(容器类估计很多人没听这个词,Java容器主要可以划分为4个部分:List列表、Set集合、Map映射、工具类(Iterator迭代器、Enumeration枚举类、Arrays和Collections)
https://www.jianshu.com/p/c70989bd5f29
(6.6)List,Set,Map的区别
https://www.jianshu.com/p/047e33fdefd2
(6.7)List和Map的实现方式以及存储方式
https://www.jianshu.com/p/047e33fdefd2
(6.8)HashMap的实现原理
https://www.jianshu.com/p/8b372f3a195d/
(6.9)HashMap数据结构?
https://www.jianshu.com/p/8b372f3a195d/
(6.10)HashMap源码理解
https://www.jianshu.com/p/8b372f3a195d/
(6.11)HashMap如何put数据(从HashMap源码角度讲解)?
https://www.jianshu.com/p/8b372f3a195d/
(6.12)HashMap怎么手写实现?
自己去写哈,几种遍历方式。
(6.13)ConcurrentHashMap的实现原理
https://www.jianshu.com/p/c0642afe03e0
(6.14)ArrayMap和HashMap的对比
https://www.jianshu.com/p/7b9a1b386265
(6.15)HashTable实现原理
https://www.jianshu.com/p/dbe7a1ea5928
(6.16)TreeMap具体实现
https://www.jianshu.com/p/d9ad7f6d75a0
(6.17)HashMap和HashTable的区别
https://www.jianshu.com/p/7456a339e4aa
(6.18)HashMap与HashSet的区别
https://www.jianshu.com/p/749e6ce12d98
(6.19)HashSet与HashMap怎么判断集合元素重复?
http://f543711700.iteye.com/blog/800929
http://blog.csdn.net/ning109314/article/details/17354839
(6.20)集合Set实现Hash怎么防止碰撞
http://blog.csdn.net/zeb_perfect/article/details/52574915
http://blog.csdn.net/u010698072/article/details/52802179
(6.21)ArrayList和LinkedList的区别,以及应用场景
https://www.cnblogs.com/soundcode/p/6294174.html
https://www.jianshu.com/p/e591690afacb
(6.22)数组和链表的区别
https://www.jianshu.com/p/26fa29a3d669
(6.23)二叉树的深度优先遍历和广度优先遍历的具体实现
http://blog.csdn.net/fantasy_lin_/article/details/52751559
(6.24)堆的结构
http://blog.csdn.net/l294265421/article/details/50927538
(6.25)堆和树的区别
https://www.zhihu.com/question/36134980/answer/66080662
(6.26)堆和栈在内存中的区别是什么(解答提示:可以从数据结构方面以及实际实现方面两个方面去回答)?
https://www.jianshu.com/p/947a76e2ddbc
(6.27)什么是深拷贝和浅拷贝
http://blog.csdn.net/u014727260/article/details/55003402
(6.28)手写链表逆序代码
http://blog.csdn.net/u012571415/article/details/46955535
(6.29)讲一下对树,B+树的理解
https://www.jianshu.com/p/6f68d3c118d6
(6.30)判断单链表成环与否?
http://blog.csdn.net/njr465167967/article/details/52634352
算法题,去leetcode、lintcode多刷刷题,这些都不是什么问题
(6.31)链表翻转(即:翻转一个单项链表)
http://blog.csdn.net/guyuealian/article/details/51119499
算法题,去leetcode、lintcode多刷刷题,这些都不是什么问题
(6.32)合并多个单有序链表(假设都是递增的)
https://www.jianshu.com/p/a3d5cd6c3ae2
7.设计模式
(7.1)在Java中,什么时候用重载,什么时候用重写?
http://blog.csdn.net/qq_33642117/article/details/51920354
(7.2)Java中什么是单例设计模式?用Java写出线程安全的单例
https://www.cnblogs.com/garryfu/p/7976546.html
http://blog.csdn.net/cselmu9/article/details/51366946
(7.3)使用工厂模式最主要的好处是什么?你在哪里使用?
http://blog.csdn.net/lee576/article/details/1549910
8.泛型与枚举
(8.1)说一下泛型原理,并举例说明
https://www.jianshu.com/p/ddbe1db509da
(8.2)泛型中extends和super的区别
https://www.zhihu.com/question/20400700
(8.3)什么是泛型中的限定通配符和非限定通配符
https://www.jianshu.com/p/ccdfc9bba821
https://www.cnblogs.com/fengmingyue/p/6087031.html
9.常用网络协议
(9.1)HTTP响应的结构是怎么样的?
http://liuwangshu.cn/application/network/1-http.html
(9.2)什么是cookie?session和cookie有什么区别
http://blog.csdn.net/duan1078774504/article/details/51912868
(9.3)TCP/IP在连接时有几次握手?释放时有几次握手?
http://blog.csdn.net/guyuealian/article/details/52535294
(9.4)什么是TCP协议?UDP协议?区别?
http://blog.csdn.net/qq_18425655/article/details/51955674
10.Java IO 与 NIO
(10.1)说说io和nio的理解,区别?
这个作者写了12篇NIO的文章:
http://www.importnew.com/18763.html
11.多线程,并发及线程基础
关于多线程请先过一遍这篇文章:
https://www.jianshu.com/p/40d4c7aebd66
(11.1)开启线程的三种方式?
http://blog.csdn.net/longshengguoji/article/details/41126119
(11.2)谈谈你对多线程同步机制的理解?
一般问你怎么理解,就是说要怎么用,用在什么场景。
https://www.jianshu.com/p/592ef5642513
(11.3)为什么要有线程,而不是仅仅用进程?
http://blog.csdn.net/tongxinhaonan/article/details/42558561
(11.4)run()和start()方法区别
http://blog.csdn.net/dada360778512/article/details/6965790
(11.5)如何控制某个方法允许并发访问线程的个数?
http://blog.csdn.net/zuoanyinxiang/article/details/50448564
http://blog.csdn.net/anhenzhufeng/article/details/70225415
(11.6)在Java中wait和seelp方法的不同
https://www.jianshu.com/p/a67ad7ba89a5
(11.7)谈谈wait/notify关键字的理解
https://www.jianshu.com/p/f3d472c21c0e
(11.8)什么导致线程阻塞?
http://blog.csdn.net/sinat_22013331/article/details/45740641
http://blog.csdn.net/he3527/article/details/77618691
(11.9)线程如何关闭?
https://www.jianshu.com/p/536b0df1fd55
(11.10)讲一下java中的同步的方法
https://www.jianshu.com/p/6542c8a96392
(11.11)数据一致性如何保证?
https://www.cnblogs.com/jiumao/p/7136631.html
从数据库下手去了解,道理差不多。重点是同步和线程安全。
(11.12)如何保证线程安全?
https://www.jianshu.com/p/fe7ed5b50933
http://blog.csdn.net/xiangxianghehe/article/details/51135299
(11.13)如何实现线程同步?
https://www.jianshu.com/p/6542c8a96392
(11.14)谈谈对多线程的理解
https://www.jianshu.com/p/40d4c7aebd66
(11.15)线程间操作List
不知道想问啥,并发操作?
(11.16)Java中对象的生命周期
http://blog.csdn.net/sodino/article/details/38387049
延伸:如何判断对象“无用”
https://www.jianshu.com/p/73d8d6c54515
(11.17)Synchronized用法
https://www.jianshu.com/p/19f861ab749e
(11.18)Synchronize的原理
https://www.jianshu.com/p/19f861ab749e
(11.19)谈谈对Synchronized关键字,类锁,方法锁,重入锁的理解
http://blog.csdn.net/le_le_name/article/details/52348314
https://www.jianshu.com/p/007bd7029faf
(11.20)static synchronized 方法的多线程访问和作用
http://blog.csdn.net/wangtaomtk/article/details/52318634
(11.21)同一个类里面两个synchronized方法,两个线程同时访问的问题
http://blog.csdn.net/aiyawalie/article/details/53261823
(11.22)谈谈volatile关键字的用法
https://www.jianshu.com/p/7798161d7472
(11.23)谈谈volatile关键字的作用
https://www.jianshu.com/p/7798161d7472
(11.24)volatile的原理
https://www.jianshu.com/p/7c614ac4dd92
http://ifeve.com/volatile/
(11.26)Synchronized 和volatile 关键字的区别
http://blog.csdn.net/suifeng3051/article/details/52611233
https://www.cnblogs.com/tf-Y/p/5266710.html
(11.27)Synchronized与Lock的区别
http://blog.csdn.net/u012403290/article/details/64910926?locationNum=11&fps=1
https://www.jianshu.com/p/2344a3e68ca9
(11.28)ReentrantLock 、synchronized和volatile比较
http://heaven-arch.iteye.com/blog/1738212
https://www.cnblogs.com/dennyzhangdd/p/6020566.html
(11.29)ReentrantLock的内部实现
http://blog.csdn.net/yanyan19880509/article/details/52345422
(11.30)lock原理
http://blog.csdn.net/endlu/article/details/51249156
(11.31)死锁的四个必要条件?
http://blog.csdn.net/ysdaniel/article/details/6644418
(11.32)怎么避免死锁?
http://blog.csdn.net/ls5718/article/details/51896159
(11.33)对象锁和类锁是否会互相影响?
http://blog.csdn.net/u013142781/article/details/51697672
http://blog.csdn.net/codeharvest/article/details/70649375
先了解它们是啥,自己动手试一下就知道了。
(11.34)什么是线程池,如何使用?
https://www.jianshu.com/p/210eab345423
(11.35)Java的并发、多线程、线程模型
并发模型:https://www.jianshu.com/p/067702fbf256
http://ifeve.com/%E5%B9%B6%E5%8F%91%E7%BC%96%E7%A8%8B%E6%A8%A1%E5%9E%8B/
线程模型:
https://www.cnblogs.com/tian830937/p/5277459.html
(11.36)多线程有什么要注意的问题?
并发问题,安全问题,效率问题。
(11.37)谈谈你对并发编程的理解并举例说明
https://www.jianshu.com/p/053943a425c3
http://blog.csdn.net/songxinjianqwe/article/details/72789899?locationNum=15&fps=1
有本书叫:java并发编程实战,买下来。
(11.38)如何保证多线程读写文件的安全?
换个说法就是你怎么保证多线程安全,怎么样保证多线程安全做一件事,这件事是啥不重要。。
关于写文件这里有篇文章:
http://blog.csdn.net/baple/article/details/23857485
(11.39)多线程断点续传原理
http://blog.csdn.net/ghost_Programmer/article/details/51923895
(11.40)断点续传的实现
http://blog.csdn.net/ghost_Programmer/article/details/51923895