IT Services Circle

Jul 8, 2025 · Backend Development

What Can You Earn at REDstar? Plus Essential MySQL, Redis, and Java Interview Secrets

The article reveals REDstar algorithm and developer salary packages, explains why Xiaohongshu’s work schedule changed, and then provides detailed Java interview questions covering MySQL indexes, composite indexes, Java primitive types, boxing/unboxing, ReentrantLock vs synchronized, Redis usage, common commands, distributed locking, and the benefits of RocketMQ, all illustrated with code snippets and diagrams.