Starting Out with Java: Early Objects

Core Java, Volume I: Fundamentals (Oracle Press for Java)

Kotlin in Action, Second Edition

Object Oriented Design Interview: An Insider’s Guide

OCA: Oracle Certified Associate Java SE 8 Programmer I Study Guide: Exam 1Z0-808 (Sybex Study Guide)

The Little Java Book Of Adventure Game Programming: Learn Object Oriented Programming – advanced coding techniques (Little Programming Books)

Java: Power Programming, Learn Coding the Easy Way (Computer Programming Book 4)

Learning Spark: Lightning-Fast Data Analytics

Learn Java with Projects: A concise practical guide to learning everything a Java professional really needs to know

Java programming: Intermediate to Advanced: Java Programming: Intermediate to Advanced — Master Object‑Oriented Programming, Concurrency, and Professional ... (Java Spring Programming Book 2)