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Data structures are a way in which data is stored and organized in software. They allow for data to be utilized efficiently. Mastery of both the design and usage of data structures are pivotal to a software engineer. Here the most important data structures will be covered in a concise easy to understand manner. These explanations and tutorials will assume at least some amount of familiarity with the concepts of programming and programming languages.

Click the following links to learn more about each data structure:

1. Arrays
   • Exercises
2. Linked-Lists
   • Implementing a Linked List in Java
   • Implementing a Linked List in Java - Part Two
   • Implementing a Linked List in Java - Part Three
   • Implementing a Linked List in Java - Part Four
3. Stacks
   • Implementing a Stack in Java
   • Implementing a Stack in Java - Part Two
4. Queues
   • Implementing a Queue in Java
   • Implementing a Queue in Java - Part Two
5. Hash Maps
   • Implementing a Hash Map in Java
   • Implementing a Hash Map in Java - Part Two
   • Implementing a Hash Map in Java - Part Three
6. Trees
   • Implementing a Binary Search Tree in Java
   • Implementing a Binary Search Tree in Java - Part Two
   • Implementing a Binary Search Tree in Java - Part Three
7. Graphs
   • Implementing Dijkstras Algorithm (Shortest Path) in Java
   • Implementing Dijkstras Algorithm (Shortest Path) in Java - Part Two
   • Implementing Dijkstras Algorithm (Shortest Path) in Java - Part Three