Introduction to Dictionary Data Structure

The Foundations of Dictionaries for everyone! Start learning Data Structures for free and begin your programming career!
Free tutorial
Rating: 4.1 out of 5 (3 ratings)
1,920 students
1hr 59min of on-demand video
English [Auto]

Understand what is a Dictionary in computer science
Know the fundamental methods of Dictionaries
Be able to implement and work with Dictionaries in C++
Get fast and friendly support in the Q&A area
How to think and work like a developer: problem-solving, researching, workflows
Practice your skills with challenges and assignments (solutions included)


  • No coding experience is necessary to take this course! I take you from beginner to expert!
  • Any computer and OS will work — Windows, macOS or Linux. Any IDE to work with C++.


Start your computer science journey in-depth with this Dictionary Data Structure course online.

Whether you want to:

- build the skills you need to get your first programming job

- move to a more senior software developer position

- become a computer scientist mastering in computation

- or just learn the Dictionary Data Structure to be able to work with your own software projects quickly.

...this introduction to Dictionary Masterclass is the course you need to do all of this, and more.

What makes this course ideal?

This course contains all the Solid Foundations to be an expert in Dictionaries.
We will learn it from scratch so any person without any background can start learning.
All the content is for free!

Here’s just some of what you’ll learn

(It’s okay if you don’t understand all this yet, you will in the course)

  • What is a Dictionary in computer science.

  • Fundamental methods of Dictionaries.

  • Applications of Dictionaries.

  • Solved Problems.

  • Work with the Dictionary data structure in a programming language.

What if I have questions?

As if this course wasn’t complete enough, I offer full support, answering any questions you have everyday.

This means you’ll never find yourself stuck on one lesson for days on end. With my hand-holding guidance, you’ll progress smoothly through this course without any major roadblocks.

Ready to get started, developer?

Enroll now using the “Add to Cart” button on the right, and get started on your way to creative, advanced Haskell brilliance. Or, take this course for a free spin using the preview feature, so you know you’re 100% certain this course is for you.

See you on the inside (hurry, The Dictionary Data Structure is waiting!)

Who this course is for:

  • Take this course if you want to gain a true and deep understanding of the Dictionary Data Structure
  • Take this course if you have been trying to learn Dictionaries but: 1) still don't really understand Dictionaries, or 2) still don't feel confident to code real apps
  • Take this course if you already know Dictionaries and are looking to improve your knowledge.
  • Take this course if you want to get started with Dictionaries


Engineer and Mathematician
Lucas Bazilio
  • 4.4 Instructor Rating
  • 1,823 Reviews
  • 35,096 Students
  • 77 Courses


Lucas is an expert in the fields of mathematics and computer science, driven by a lifelong passion for teaching. With over a decade of experience as a science and technology instructor, he has become a renowned specialist in subjects such as Algorithms, Discrete Mathematics, Artificial Intelligence, and Machine Learning, among others.

Currently researching at the prestigious Polytechnic University of Catalonia UPC in Barcelona, Lucas is committed to advancing his knowledge and expertise even further.  Throughout his life, he has given multiple conferences at universities and organizations on the teaching of mathematics., inspiring and mentoring countless students along the way.

Lucas is dedicated to a mission of advancing humanity's knowledge of technology and science, using his expertise to develop solutions that benefit society as a whole. His work is driven by a deep desire to create innovative technology that truly serves the needs of humanity.

Overall, Lucas's exceptional qualifications, extensive experience, and unwavering dedication to his mission make him a highly respected figure in the world of STEM education and research. His impact on the field is sure to be felt for many years to come.


Lucas es un experto en matemáticas y ciencias de la computación, impulsado por una pasión por la enseñanza de toda la vida. Con más de una década de experiencia como docente de ciencia y tecnología, se ha convertido en un reconocido especialista en temas como Algoritmos, Matemáticas Discretas, Inteligencia Artificial y Aprendizaje Automático, entre otros.

Actualmente cursando sus estudios en la prestigiosa Universidad Politécnica de Cataluña UPC en Barcelona, Lucas está comprometido a avanzar aún más en su conocimiento y experiencia. A lo largo de su vida, ha dado múltiples conferencias en universidades y organizaciones sobre la enseñanza de las matemáticas, inspirando y asesorando a innumerables estudiantes en el camino.

Lucas está dedicado a la misión de hacer avanzar el conocimiento de la humanidad sobre tecnología y ciencia, utilizando su experiencia para desarrollar soluciones que beneficien a la sociedad en su conjunto. Su trabajo está impulsado por un profundo deseo de crear tecnología innovadora que realmente sirva a las necesidades de la humanidad.

En general, las calificaciones excepcionales de Lucas, su amplia experiencia y su inquebrantable dedicación a su misión lo convierten en una figura muy respetada en el mundo de la educación STEM y la investigación. Su impacto en el campo seguramente se sentirá durante muchos años por venir.

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