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Java 6 Illuminated: An Active Learning Approach, 2nd Edition
book

Java 6 Illuminated: An Active Learning Approach, 2nd Edition

by Julie Anderson, Herve J. Franceschi
February 2008
Intermediate to advanced content levelIntermediate to advanced
1288 pages
39h 39m
English
Jones & Bartlett Learning
Content preview from Java 6 Illuminated: An Active Learning Approach, 2nd Edition
10.7 Programming Activity 2: Using Polymorphism 703
69 public void setY( int newY )
70 {
71 y = newY;
72 }
73
74 /** abstract method for Racer's move
75 */
76 public abstract void move();
77
78 /** abstract method for drawing Racer
79 * @param g Graphics context
80 */
81 public abstract void draw( Graphics g );
82 }
EXAMPLE 10.20 The abstract Racer Class
The Tortoise and Hare classes inherit from the Racer class. Thus, their only
job is to pass constructor arguments to the Racer class and implement the
draw and move methods. For this Programming Activity, we have provided
the Tortoise and Hare classes with the draw and move methods already
written.
Your job is ...
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Publisher Resources

ISBN: 9780763749637