You’ll also learn about the wrapper implementations, which add functionality to general-purpose implementations.Īlgorithms describes the polymorphic algorithms provided by the JDK to operate on collections. Implementations describes the JDK’s general-purpose collection implementations and tells you when to use which implementation. You’ll also learn idioms for each interface that will help you get the most out of the interfaces.Īggregate Operations iterate over collections on your behalf, which enable you to write more concise and efficient code that process elements stored in collections. You’ll learn general guidelines for effective use of these interfaces, including when to use which interface. Interfaces describes the core collection interfaces, which are the heart and soul of the Java Collections Framework. You’ll learn about the core elements that comprise the Collections Framework: interfaces, implementations and algorithms. ![]() ![]() Introduction tells you what collections are, and how they’ll make your job easier and your programs better. You’ll learn about the core elements - interfaces, implementations, aggregate operations, and algorithms - that comprise the Java Collections Framework. Here, you will learn what collections are and how they can make your job easier and programs better. This section describes the Java Collections Framework.
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