![]() ![]() This is why the Collections Framework and collection in Java were introduced in order to overcome the drawbacks mentioned above. Plus, the conventional ways like arrays and stacks weren't providing the desired performance and flexibility. In this case, it becomes tedious for the user to remember all the functions and syntax. They didn't have a common interface and interconnection with each other. They had one major disadvantage, and that was lesser similarities. But prior to the release, Vectors, Stacks, and Arrays were there. Collections in Java were not a part of the original Java release. Now you might be wondering what is its need. All collections frameworks contain interfaces, classes, and algorithms. It provides a ready-made architecture for interfaces and classes and is used for storing and manipulating a group of objects. It was defined in JDK 1.2 version which is one of the most used frameworks to date. The java.util package contains the powerful tool of Collections Framework. In Java, the Collections Framework is a hierarchy of interfaces and classes that provides easy management of a group of objects. The Collections Framework is defined as a unified architecture for representing and manipulating collections. Queue is the same as the real-life queues, the one who enters the queue first, leaves it first too.Stacks are like a stack of plates or trays in which the topmost one gets picked first. ![]()
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