Java for Students, 6/e( 美國原版)

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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.

這本書是為初學者而寫的。如果你從未接觸過任何程式設計，完全是個新手，這本書適合你。這本書假設讀者對程式設計沒有任何先備知識，從零開始教學。書中使用簡單直接的語言，以達到最大的清晰度。它主要針對大學和學院的初級學生，但也適合自學的新手。

本書的方法是從早期就介紹如何使用物件。我們的方法是從變數、賦值和方法的概念開始，然後介紹從程式庫類別創建的物件的使用。接下來，我們解釋如何使用控制結構進行選擇和循環。然後是如何撰寫自己的類別。

我們希望確保程式設計的樂趣是最重要的，所以我們從一開始就使用圖形。我們認為圖形是有趣、有趣且清楚地展示了程式設計的重要原則。但我們也沒有忽略輸入和輸出文本的程式 - 它們也包含在內。

我們所呈現的程式使用了許多圖形使用者介面(GUI)的功能，例如按鈕、滾動條和文字框。但我們也解釋了如何在Java中撰寫控制台程式。

我們逐一介紹新的概念，而不是一次性介紹所有概念。因此，例如，有一個章節專門介紹撰寫方法。我們早期介紹簡單的概念，稍後再介紹更複雜的概念。