In this article, we will show you how to use the Java TreeMap data structure, and we’ll walk you through the steps to create, modify, and iterate over the TreeMap. 1. Creating a TreeMap The first step ...

Implemented a TreeMap class that utilizes parent pointers and a dummy root node for efficient tree navigation and operations. The TreeMap class implements the Map interface and provides standard map ...

My best guess to what was causing this is that your TreeMap contained non-static inner class instances and that your outer class wasn't serializable or it contained a member that wasn't.