java基础：
https://www.bilibili.com/video/av11361088/?p=106
javaWeb基础：
https://www.bilibili.com/video/av29086718?from=search&seid=15695613828841939438
Mysql基础：
https://www.bilibili.com/video/av49181542?from=search&seid=15593716162834150891
Oracle从入门到精通教程
https://www.bilibili.com/video/av14537979?from=search&seid=1440817139729418031
Redis教程
https://www.bilibili.com/video/av49517046/?spm_id_from=333.788.videocard.1
并发编程
https://www.bilibili.com/video/av43697557?from=search&seid=663193690847606582
jdk新特性
https://www.bilibili.com/video/av59549886/
sping框架
https://www.bilibili.com/video/av15369076?from=search&seid=12088451245683404585
Mybatis框架
https://www.bilibili.com/video/av25677166/?spm_id_from=333.788.videocard.1
Jvm
https://www.bilibili.com/video/av47756459?p=2
如果后面找到的话后面再补充吧。初学者可以试着学习。复制链接接打开。