What are the differences between a HashMap and a TreeMap in Java?

May 21, 2016May 21, 2016 Justin Leave a comment

Interview question: What are the differences between a HashMap and a TreeMap in Java?

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What are the differences between a Linked List and an Array?

May 3, 2016May 3, 2016 Justin Leave a comment

Interview question: What are the differences between a Linked List and an Array?

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Graph Vocabulary 101

March 9, 2016March 9, 2016 Justin Leave a comment

Graphs are such an integral part of the study of computer science, yet many people get confused about the vernacular associated with them. This is the first post in a series of posts about various data structures and algorithms.

Here are some common terms associated with graphs you should know:

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