32 categories in total
- Algorithm1
- Architecture2
- Computer Systems5
- Data Structure3
- Data-Intensive Applications12
- Distributed System1
- Docker2
- ElasticSearch3
- Flink9
- Flowable5
- Git1
- Go2
- JSON1
- Java24
- Kubernetes1
- LLM1
- Linux9
- Math3
- MessageQueue2
- Middleware3
- MySQL6
- Netty11
- Network8
- Note2
- Operation System3
- RPC3
- Redis7
- SE (Software Engineering)12
- Spring9
- Tomcat3
- ZooKeeper6
- 支付系统6