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Description: 工作日每日一题，经典基础题汇总。. Contribute to FcOctober/Base development by creating an account on GitHub.

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https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#1以下代码有问题吗是什么问题
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#2以下代码运行结果
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#3程序可以编译运行吗结果是神马
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#4是否存在使-ij--ij-结果为-false-的数吗
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#5下面程序的运行结果是什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#6下面这段代码中第几行的-fobjsobj-符合垃圾收集器的收集标准
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#7分别回答以下问题
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#8下面的题目结果是什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#9以下继承关系运行结果是
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#10以下继承关系运行结果是
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#11如果出现以下代码编译运行会出现什么现象
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#12以下继承方式运行时会如何打印
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#13内部类你知多少
java之内部类----非静态内部类、静态内部类、局部内部类、匿名内部类http://www.cnblogs.com/Gaojiecai/p/4041663.html
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#14下面程序的运行结果是什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#15-请粗略描述下面这些方法调用执行流程和最终返回值
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#16java15开始的自动装箱和开箱机制是编译器特性还是虚拟机运行时特性分别是怎么实现的
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#17string-消消乐下面程序的执行结果分别是什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#18什么是-java-泛型泛型的核心原理是什么泛型的好处是什么请分别简单谈谈您的理解
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#19下面两个方法有什么区别有什么问题
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#20下面程序的运行结果是什么为什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#21请尝试解释下面程序中每行代码执行情况及原因
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#22请尝试解释下面程序中每行代码执行情况及原因
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#23请尝试解释下面程序中注释问题
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#24请尝试解释下面程序编译到运行的现象及原因
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#25请尝试解释下面程序编译到运行的现象及原因
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#26请尝试解释下面程序编译到运行的现象及原因
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#27下面程序有什么问题该如何修复
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#28下面程序编译运行会有什么现象
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#29什么是泛型中的限定通配符和非限定通配符
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#30简单说说-java-中listobject和原始类型list之间的区别
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#31java-中list和listobject之间的区别是什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#32list-extends-t和list--super-t之间有什么区别
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#33t-extends-e和-extends-e有什么关系
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#34解释下面程序执行情况和原因
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#35arraylist-的动态扩容机制是如何自动增加的简单说说你理解的增加流程
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#36下面这些方法可以正常运行吗为什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#37简要解释下面程序的执行现象和结果
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#38简单解释一下-collection-和-collections-的区别
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#39解释一下-arraylistvectorstacklinkedlist-的实现和区别及特点和适用场景
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#40简单介绍下-list-mapsetqueue-的区别和关系
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#41简单说说-hashmap-的底层原理
http://pengranxiang.iteye.com/blog/543893http://pengranxiang.iteye.com/blog/543893
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#42简单解释一下-comparable-和-comparator-的区别和场景
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#43简单说说-iterator-和-listiterator-的区别
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#44请实现一个极简-lru-算法容器
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#45简单说说你对-java-的-transient-关键字理解
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#46简单谈谈你所知道的-java-io-流特性
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#47请简单谈谈你对-java-的序列化与反序列化理解
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#48java-线程优先级是怎么定义的java-线程有几种状态
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#49简单说说你对-java-synchronized-的理解
http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-3.html#jvms-3.14http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-3.html#jvms-3.14
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#50什么是死锁请模拟写出一段-java-死锁的核心代码如何避免死锁
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#51下面程序有什么问题该如何修改
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#52简单谈谈-java-并发协作的-waitnotifynotifyall-等方法的特点和场景
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#53说说你知道的-java-停止线程的方式及优劣点
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#54简单谈谈你对-java-虚拟机内存模型-jmm-的认识和理解及并发中的原子性可见性有序性的理解
www.ifeve.com/java-memory-model-1/http://www.ifeve.com/java-memory-model-1/
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#55说说你对-java-的-volatile-关键字的理解和使用场景举例
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#56什么是原子变量为什么需要他们java-提供了哪些原子变量类型
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#57简单谈谈你对-cas-的认识和理解
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#58说说-synchronized-与-lock-的区别及优劣点你用过-java-lock-的哪些实现类
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#59简单说说你所了解的-java-锁分类和特点有哪些
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#60简单谈谈你对-java-并发显式协作-condition-的-awaitsignalsignalall-理解同时说说他们和普通并发协作-waitnotifynotifyall-等方法的区别
https://stackoverflow.com/questions/2536692/a-simple-scenario-using-wait-and-notify-in-javahttps://stackoverflow.com/questions/2536692/a-simple-scenario-using-wait-and-notify-in-java
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#61简单谈谈你对threadlocal的认识其与同步机制有何区别其实现原理及使用场景和存在的问题有哪些
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#62什么是-copyonwritearraylist它与-arraylist-有何不同同理说说copyonwritearrayset
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#63说说你对java-map家族中concurrenthashmap的理解
深入并发包 ConcurrentHashMaphttp://www.importnew.com/26049.html
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#64说说你对concurrentskiplistmap和concurrentskiplistset的理解
跳表（SkipList）及ConcurrentSkipListMap源码解析http://blog.csdn.net/sunxianghuang/article/details/52221913
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#65简单说说你所知道或者用过的java队列都有哪些各自有何特点
参考此文http://www.cnblogs.com/rockman12352/p/3790245.html
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#66简单谈谈你对java的runnablecallablefutureexecutorexecutorserviceexecutorsfuturetask-认识和理解
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#67谈谈你对-java-线程池-threadpoolexecutor-与-scheduledthreadpoolexecutor-的理解及相关构造参数的含义
ThreadPoolExecutor的原理http://blog.csdn.net/u010723709/article/details/50372322
线程池源码分析-ThreadPoolExecutorhttps://yq.aliyun.com/articles/39090
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#68简单说说-completionservice-的作用和使用场景及原理
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#69除过常见的-waitnotify显示-condition-并发协作方式外你还知道哪些-java-的并发协作工具类
Java并发工具类详解http://blog.csdn.net/sunxianghuang/article/details/52277394
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#70简单说说-reentrantlock-和-condition-的原理
AbstractQueuedSynchronizer的介绍和原理分析http://ifeve.com/introduce-abstractqueuedsynchronizer/
队列同步器 AQS 详解http://blog.csdn.net/sunxianghuang/article/details/52287968
ReentrantLock实现原理深入探究http://www.importnew.com/22924.html
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#71简单说说-java-instanceof-的作用与-classisinstance-的区别
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#72什么是反射如何提高-java-反射的效率反射的优缺点是什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#73java-泛型在编译时被擦出后还有办法在运行时获取泛型信息吗
Gson 官方源码解析的代码https://github.com/google/gson/blob/2b15334a4981d4e0bd4f2c2d34b8978a4167f36a/gson/src/main/java/com/google/gson/reflect/TypeToken.java#L77
《Java中的Type详解》http://loveshisong.cn/%E7%BC%96%E7%A8%8B%E6%8A%80%E6%9C%AF/2016-02-16-Type%E8%AF%A6%E8%A7%A3.html
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#74java-反射的基本原理是什么
《JAVA反射原理》http://www.cnblogs.com/techspace/p/6931397.html
《Java反射在JVM的实现》http://www.importnew.com/21211.html
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#75简单谈谈-java-类加载器的加载机制
《深入分析Java ClassLoader原理》http://blog.csdn.net/xyang81/article/details/7292380
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#76java-能不能自己写个类也叫-javalangstring
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#77简单谈谈类加载顺序流程及实例初始化机制
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#78说说下面程序的运行结果及原因
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#79下面程序的运行结果是什么为什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#80下面程序的运行结果是什么为什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#81下面程序的输出结果是什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#82下面程序的执行结果是什么
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#83简单说说-java-的-classforname-和-classloaderloadclass-方法的区别
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#84什么是-java-的注解
https://github.com/FcOctober/Base/blob/master/Java SE/Java.md#85java-如何创建自定义注解注解是如何工作的
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