Tony Juniper

Mike Parr

This is the first book created primarily for the field identification of parrots, one of the most familiar and colorful groups of birds. From the mighty. macaws to the diminutive pygmy parrots, the 350 species of parrots include cockatoos, parakeets, lovebirds, and Budgerigar. Most are brightly colored or even gaudy, but a few are drab, and some are nocturnal and flightess. Parrots, found throughout most of the warmer regions of the world, occur in greatest numbers in Australasian and South America. This book includes 88 superb color illustrations of every species and most identifiable subspecies of parrot, as well as range maps of their locations. It offers many firsthand insights into the ecology of each species, vocalizations, life cycle characteristics, and geographical variation. It also provides up-to-date information on the conservation status of those species of parrots that are threatened or endangered.

A Guide to Parrots of the World

Parrots

Douglas Bell

This book is for novices If you have never done any programming before - if you are a complete novice - this book is for you. This book assumes no prior knowledge of programming. It starts from scratch. It is written in a simple, direct style for maximum clarity. It is aimed at first level students at universities and colleges, but it is also suitable for novices studying alone. The approach of this book We explain how to use objects early in this book. Our approach is to start with the ideas of variables, assignment and methods, then introduce the use of objects created from library classes. Next we explain how to use control structures for selection and looping. Then comes the treatment of how to write your own classes. We wanted to make sure that the fun element of programming was paramount, so we use graphics right from the start. We think graphics is fun, interesting and clearly demonstrates all the important principles of programming. But we haven't ignored programs that input and output text - they are also included. The programs we present use many of the features of a graphical user interfaces (GUIs), such as buttons, scroll bars and text boxes. But we also explain how to write console programs in Java. We introduce new ideas carefully one-at-a-time, rather than all at once. So, for example, there is a single chapter on writing methods. We introduce simple ideas early and more sophisticated ideas later on.

Java for Students

Doug Bell

If you are new to computer programming then this book is for you! Starting from scratch, it assumes no prior knowledge of programming and is written in a simple, direct style for maximum clarity. C# ('C Sharp') is an object-oriented, network-enabled programming language, developed expressly for Microsoft's .Net platform. C# provides the features that are the most important to programmers: object-orientation, graphics, GUI components, multimedia, internet-based client/server networking and distributed computing. 'C# for Students' will explain key programming concepts and the central ideas of object oriented programming, using C# as the vehicle language.

C# for Students

Java voor studenten, 4/e

Aware that many students need a careful introduction to programming and that they respond well to graphical illustration, this concise book adopts a visual approach to programming. Throughout the text, programs that use graphical images are emphasized to clearly demonstrate all the important programming principles. The authors use a spiral approach to programming concepts; introducing concepts simply early on, then in a more sophisticated way later, (e.g., objects are integrated throughout five chapters). Java for Students emphasizes the use of applets but also shows how to program free-standing applications. The authors have been careful to put together a text that covers the powerful features of Java and presents the language to students as both a fun and useful tool.

Mike Parr

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