The TreeMap data structure in Java is one of the most commonly used data structures for sorting and associating values with keys.

Implemented a TreeMap class that utilizes parent pointers and a dummy root node for efficient tree navigation and operations.

I'm getting a NullPointerException at java.util.TreeMap.putAll (TreeMap:312) after adding the plugin to my project. [ERROR ...

First I'd like to ask how one goes about understanding errors that java throws at you. Has anyone written about this or is it ...