Free Bilibili Courses to Master Java, Databases, and System Fundamentals

I was impressed by Bilibili's stock, but today the focus is on learning resources.

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First, a highly recommended video from a Boston‑based presenter named Schelley.

Link:

https://www.bilibili.com/video/BV1DV411B7v5

Another excellent video from a Tsinghua‑affiliated IBM engineer.

Link:

https://www.bilibili.com/video/BV1CJ411i7aK

Java

For Java beginners, Ma Shibing’s free series is highly recommended.

Link:

https://www.bilibili.com/video/BV1Yt41197sM

Computer Networks

Fang’s videos are engaging and cover fundamental networking concepts.

Link:

https://www.bilibili.com/video/BV1yE411G7Ma

Professor Zheng from USTC also provides a comprehensive series on network architecture, protocols, and security.

Link:

https://www.bilibili.com/video/BV1JV411t7ow

Operating Systems

Tsinghua’s professor offers nearly 100 lectures (≈100‑200 hours) on operating systems.

Link:

https://www.bilibili.com/video/BV1js411b7vg

Harbin Institute’s Li also provides a highly praised OS series.

Link:

https://www.bilibili.com/video/BV1d4411v7u7

Redis

A comprehensive “Redis from Beginner to Practice” series covering data types, pub/sub, persistence, replication, sentinel, cache penetration, and avalanche handling.

Link:

https://www.bilibili.com/video/BV1S54y1R7SB

RocketMQ

Nearly 100 lectures covering RocketMQ fundamentals, installation, configuration, and usage.

Link:

https://www.bilibili.com/video/BV1L4411y7mn

Kafka

Ma’s company‑produced series explains Kafka architecture, installation, data flow, version differences, and practical applications.

Link:

https://www.bilibili.com/video/BV1a4411B7V9

MySQL

A massive 350‑lecture series covering basics, installation, advanced topics, sharding, and more—ideal for database beginners.

Link:

https://www.bilibili.com/video/BV12b411K7Zu