Web Reference: 3 days ago · Java Collection Framework (JCF) is a set of classes and interfaces that provide ready-made data structures to store and manipulate groups of objects efficiently. There are two frequently used concrete collections in Java collections framework: ArrayList and LinkedList. As a user, you can create an object of ArrayList or LinkedList and manipulate data in the collection object through its public methods. The collections framework defines several algorithms that can be applied to collections and maps. These algorithms are defined as static methods within the Collections class.
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