If you meant something else by “write a deep paper” — such as a study guide, chapter summary, or review of the book’s topics — please clarify, and I will provide a fully original, non-copyright-infringing educational resource.
Core Java: An Integrated Approach by Dr. R. Nageswara Rao is a widely recognized resource for beginners and students in India. Often referred to by its subtitle or as a "Black Book" due to its series, it focuses on making complex programming concepts accessible to those with no prior background. Core Java Book By Nageswara Rao Pdf