Chapter 11. Generic Types
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 ...
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