java面试题收藏贴

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Java中的String,StringBuilder,StringBuffer三者的区别

https://blog.csdn.net/shirleyacount/article/details/39958371

HashMap底层实现原理/HashMap与HashTable区别/HashMap与HashSet区别

https://www.cnblogs.com/beatIteWeNerverGiveUp/p/5709841.html

JAVA 中的几种基本数据类型是什么,各自占用多少字节。

https://blog.csdn.net/qq_27093465/article/details/52262651

List、Set、Map的区别

https://www.cnblogs.com/IvesHe/p/6108933.html

Oracle ORA-01033: ORACLE initialization or shutdown in progress 错误解决办法

https://www.cnblogs.com/wangsaiming/p/3688141.html

修改字符集

https://www.cnblogs.com/gaoyuechen/p/9447404.html

Elasticsearch

https://www.cnblogs.com/dreamroute/p/8484457.html

Lucene全文检索处理非结构化数据

https://blog.csdn.net/qqq327954699/article/details/82386606

同义词的用法:

http://www.cnblogs.com/kerrycode/archive/2012/12/19/2824963.html

算法数据结构

http://www.cnblogs.com/skywang12345/p/3603935.html

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