Weiss, Data Structures and Algorithm Analysis in Java, Chapters 2-5, 6-6.4, 6.9, 7, 9-9.3, 9.5; class lecture notes; MapReduce paper.

JAVA is a popular and powerful programming language that was created in 1995 by Sun Microsystems. The main features that make Java versatile are the Java Collections Framework (JCF). This framework ...

Today, I want to dive into a common Java interview topic and a practical coding dilemma: When should you use a TreeMap instead of a HashMap? Let’s break it down! Both TreeMap and HashMap are part of ...

* Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).

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I originally created this as a short to-do list of study topics for becoming a software engineer, but it grew to the large list you see today. After going through this study plan, I got hired as a ...