September 2005
Beginner
576 pages
13h 6m
English
Content preview from SAMS Teach Yourself Programming with Java™ in 24 Hours, FOURTH EDITION
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Workshop: Throwing and Catching Exceptions
For this hour's workshop, you will create a class that uses exceptions to tell another class about an error that has taken place.
The classes in this workshop are HomePage, a class that represents a personal home page on the World Wide Web, and PageCatalog, an application that catalogs these pages.
Enter the text of Listing 18.4 in your text editor, saving it as HomePage.java when you're done.
Listing 18.4. The Full Text of HomePage.java
1: import java.net.*; 2: 3: public class HomePage { 4: String owner; 5: URL address; 6: String category = "none"; 7: 8: public HomePage(String inOwner, String inAddress) 9: throws MalformedURLException { 10: 11: owner = inOwner; 12: address = new URL(inAddress); 13: ... |
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