Throughout this book, we will use plain English to discuss some fairly technical things. You will never be asked to read a technical explanation of a Java or Android concept that has not been previously explained in a non-technical way.

Occasionally, I might ask or imply that you accept a simplified explanation in order to offer a fuller explanation at a more appropriate time, like the Java class as a black box; however, you will never need to scurry to Google in order to get your head around a big word or a jargon-filled sentence.

Having said that, the Java and Android communities are full of people who speak in technical terms and to join in and learn from these communities, you need to understand the terms they use. So the approach this book takes is to learn a concept or appreciate an idea using an entirely plain speaking language, but at the same time, it introduces the jargon as part of the learning.

Then, much of the jargon will begin to reveal its usefulness, usually as...