Industry reviews describe the book as a "succinct primer" that allows developers to quickly acquire proficiency in data integration.

This second edition includes updated examples and simplified source code using modern Java features like the var keyword.

Beginners to Java might find the pace challenging as it targets developers already comfortable with the language. Verdict Java XML and JSON: Document processing for Java SE, Part 1

The author explicitly states the book does not focus on comparing the performance speeds of different libraries.

Jeff Friesen’s Java XML and JSON: Document Processing for Java SE (Second Edition, 2019) is a practical, comprehensive guide for intermediate to advanced developers who need to master data-interchange formats within the environment . Key Highlights

Each chapter includes exercises designed to test your understanding of the material, making it suitable for both self-study and as a reference guide. Critical Reception

New chapters were added to cover critical modern tools like the Jackson JSON processor and Oracle’s JSON-P (JSR 374) , which is usually associated with Java EE/Jakarta EE but is highly useful in SE.