java面試題收藏貼

Java中的String，StringBuilder，StringBuffer三者的區別

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

 

HashMap底層實現原理/HashMap與HashTable區別/HashMap與HashSet區別

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

 

JAVA 中的幾種基本數據類型是什麼，各自佔用多少字節。

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

List、Set、Map的區別

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

Oracle ORA-01033: ORACLE initialization or shutdown in progress 錯誤解決辦法

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全文檢索處理非結構化數據

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

同義詞的用法:

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

算法數據結構

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

JVM參數解釋

https://www.cnblogs.com/marcotan/p/4256885.html

https://www.cnblogs.com/redcreen/archive/2011/05/04/2037057.html

常見算法

https://www.cnblogs.com/jingmoxukong/p/4329079.html

pdm逆向生成表結構

https://www.cnblogs.com/hyyq/p/7376245.html