The book was published by O'Reilly Media. Legitimate digital copies (PDF, EPUB, MOBI) are available via O'Reilly's learning platform (oreilly.com), Amazon Kindle, or Google Books. These are paid resources supporting the authors and contributors.
If you're looking for a summary or key takeaways from the book, here are a few resources: 97 things every java programmer should know pdf github
"97 Things Every Java Programmer Should Know" is a collection of short essays (typically 1–2 pages) by many experienced Java developers. Each essay offers a single focused recommendation, insight, or best practice about Java programming, design, testing, tooling, team practices, or career development. Themes include readability, correctness, maintainability, concurrency, performance, testing, libraries, APIs, tooling, and professional habits. The book was published by O'Reilly Media
If you want legal resources, use these search strings on GitHub: or best practice about Java programming