<ul><li>Understanding how to identify duplicate elements in an array is a fundamental skill for any programmer, especially those preparing for technical interviews with companies like Tata Consultancy Services (TCS).</li><li>This guide provides in-depth explanations, practical C# examples, and interview insights on finding duplicate numbers in an array.</li><li>Approaches covered include using a HashSet, a Dictionary, and sorting the array.</li><li>Mastering these techniques will help aspiring programmers tackle similar challenges in coding interviews.</li></ul>

Identifying Duplicate Elements in Arrays: A Comprehensive Guide for Aspiring Programmers

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