August 2005
Intermediate to advanced
928 pages
20h 39m
English
The problem with people who have no vices is that generally you can be pretty sure they're going to have some pretty annoying virtues. | ||
| --Elizabeth Taylor | ||
In the Java programming language, the class Object forms the root of the class hierarchy, allowing other classes to deal with arbitrary types of objects by declaring that they work with Object. In Chapter 3 you saw a SingleLinkQueue class that used Cell objects to hold a reference to any Object you wanted in the queue. This provides great flexibility, but with some inconvenience: If you know that the elements in question are String objects, for example, then you have to cast the result of the remove method each time.
This use of Object as a generic reference is also ...