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Certain principles hold for the use of iterators: In general, you should be able to have multiple traversals in progress at the same time; that is, an iterator should allow for the concept of nested ...

* So far, the most complex data structure we've seen is the array, which is quite limited. * The collections framework gives us some nice tools for organizing and manipulating data and objects in our ...

Java Collections Framework Exercises Introduction :- This repository contains a collection of Java exercises focusing on various aspects of the Java Collections Framework. Whether you're a beginner ...

A Collection in simple terms means when a group of similar things, often a group created by someone is known as a collection. A collection when collected works like a container – it groups multiple ...