Test your skill in language fundamentals
Now go through some fundamental concepts. To make an impression in your brain, these fundamental concepts are discussed through some programs (and their corresponding outputs) and with some Q&A. Author suggests you to go through each of them before you enter into your classroom. This section is added to help you to understand the discussions in the classroom better. Author also believes that you can ask better questions to your teacher, once you brush up these fundamentals in the Java language before you enter into the classroom.