Java Collections framework: Java provides many data structures (List, Stack, Vector , Queues, Sets, and Maps) to store data and access data effectively and these data structure collectively known as Java Collections Framework. It also provides classes and interfaces for accessing and manipulating data stored in lists, sets and maps. Collection Interface supports two types of containers: Storing the collection of elements is called as Containers. Storing key value is called as Map. The operations of the collections are defined in Interfaces and implementations are defined in the classes.

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Chapter 20.2, Problem 20.2.3CP

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Java Collections framework:

Java provides many data structures (List, Stack, Vector, Queues, Sets, and Maps) to store data and access data effectively and these data structure collectively known as Java Collections Framework. It also provides classes and interfaces for accessing and manipulating data stored in lists, sets and maps.

Collection Interface supports two types of containers:

Storing the collection of elements is called as Containers.

Storing key value is called as Map.

The operations of the collections are defined in Interfaces and implementations are defined in the classes.

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