The New Collections

One of the biggest changes in the Java standard library with the SDK 1.2 release was the introduction of a totally new set of classes and interfaces for dealing with collections of objects. This new Collections API has many benefits for the programmer, primarily as a standard for communication between unrelated toolkits. For example, a database query that results in a Collection can cooperate seamlessly with an interface toolkit that expects a Collection.

The new Collections can seem daunting at first because there seems to be a large number of interfaces that are implemented in a wide range of classes, many of which appear to perform similar functions. For the purposes of the exam, however, you mainly need to understand the ...

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