I liked JAVA HOW LOW CAN YOU GO: Low-latency design for RFQ and high-frequency trading covering java 24+ and beyond because it goes beyond normal Java development and focuses on areas that really matter in low-latency systems. Instead of staying only on language basics, it looks at performance, concurrency, garbage collection, memory handling, networking, and system-level design.
What makes the book more useful is its connection to trading technology. It touches on topics like RFQ platforms, market making, exchange matching, and order routing, so the ideas are not just theoretical. You can see where this knowledge fits in real finance systems.
I think this book would be most helpful for Java developers who already know the basics and want to understand how high-performance systems are built. It also looks like a strong resource for interview preparation, especially for roles in banks, hedge funds, or electronic trading teams where low-latency concepts often come up.
Overall, I would say this is a practical book for developers who want to move closer to performance-focused Java and real trading architecture. It feels more job-relevant than many general Java books. Of ocurse one of the best book for interview preparation.

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