March 2002
Intermediate to advanced
496 pages
8h 51m
English
Content preview from Design Patterns Java™ Workbook
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Template Method (Chapter 21)
| SOLUTION 21.1 | Your completed program should look something like:
package com.oozinoz.applications; import java.util.*; import com.oozinoz.units.*; import com.oozinoz.fireworks.*; public class ShowComparator implements UnitConstants { public static void main(String[] args) { Rocket r1 = new Rocket( "Mach-it", 22.95, (Length) METER.times(1000)); Rocket r2 = new Rocket( "Pocket", 2.95, (Length) METER.times(12)); Rocket r3 = new Rocket( "Sock-it", 9.95, (Length) METER.times(100)); Rocket r4 = new Rocket( "Sprocket", 3.95, (Length) METER.times(50)); List rockets = Arrays.asList(new Rocket[] { r1, r2, r3, r4 }); Comparator c = new Comparator() { public int compare(Object o1, Object o2) { Rocket r1 = (Rocket) o1; Rocket ... |
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