Fully updated for Java SE 11, this book covers the most important Java programming topics that you need to master to be able to learn other technologies yourself. By fully understanding all the chapters and doing the exercises you'll be able to perform an intermediate Java programmer's daily tasks quite well. This book offers the three subjects that a professional Java programmer must be proficient in: - Java as a programming language; - Object-oriented programming (OOP) with Java; - Java core libraries.