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Java How to Program, Early Objects, 11th Edition
book

Java How to Program, Early Objects, 11th Edition

by Paul J. Deitel, Harvey Deitel
June 2017
Beginner
1296 pages
69h 23m
English
Pearson
Content preview from Java How to Program, Early Objects, 11th Edition

27.2 Graphics Contexts and Graphics Objects

A graphics context enables drawing on the screen. A Graphics object manages a graphics context and draws pixels on the screen that represent text and other graphical objects (e.g., lines, ellipses, rectangles and other polygons). Graphics objects contain methods for drawing, font manipulation, color manipulation and the like.

Class Graphics is an abstract class (i.e., you cannot instantiate Graphics objects). This contributes to Java’s portability. Because drawing is performed differently on every platform that supports Java, there cannot be only one implementation of the drawing capabilities across all systems. When Java is implemented on a particular platform, a subclass of Graphics is created that ...

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Publisher Resources

ISBN: 9780134751962