Course

Java Data Structures

Learn data structures in Java to enhance your coding skills!

of video
1.7 h
lectures
50
sections
10

$39one payment

Get the courseSee the curriculum

Lifetime access. 15-day money-back guarantee.

Want a mentor as well? The Academy gives you every course on Amigoscode plus code reviews, daily live calls and interview prep, for $129/month. Compare →

What you'll learn

By the end of this course

  • Arrays and 2D Arrays - Understand the foundation of data storage and manipulation with arrays and multi-dimensional arrays.
  • ArrayLists - Dive into dynamic arrays and learn to leverage the List interface for flexibility and performance.
  • Stacks - Implement and use stacks to solve problems like balanced parentheses and recursion tracking.
  • Queues - Learn how to implement queues and their variations, including priority queues.
  • Linked Lists - Explore singly and doubly linked lists to understand node-based data management.
  • Sets - Master sets for unique data storage, and understand operations like union and intersection.
  • Maps - Work with key-value pairs using maps, and learn how hash functions and hash codes work under the hood.

Curriculum

10 sections, 50 lectures

1.7 h of video. Open any section to see its lectures.

1Intro7 min
  1. 1Welcome4 min
  2. 2Recommended Courses
  3. 3Collections Interface2 min
  4. 4Setup2 min
2Arrays14 min
  1. 1Arrays3 min
  2. 2Working With Arrays11 min
  3. 3Quiz
  4. 4Exercises
  5. 5Exercise Solutions
32d arrays7 min
  1. 12D Arrays2 min
  2. 2Working With 2D Arrays6 min
  3. 3Quiz
  4. 4Exercises
  5. 5Exercise Solutions
4Arraylist12 min
  1. 1The List Interface2 min
  2. 2Working With Arraylists10 min
  3. 3Quiz
  4. 4Exercises
  5. 5Exercise Solutions
5Stacks9 min
  1. 1Stacks2 min
  2. 2Working With Stacks7 min
  3. 3Quiz
  4. 4Exercises
  5. 5Exercise Solutions
6Queues8 min
  1. 1Queues1 min
  2. 2Working With Queues6 min
  3. 3Quiz
  4. 4Exercise
  5. 5Exercise Solution
7Linked lists13 min
  1. 1Linked Lists4 min
  2. 2Working With Linked Lists9 min
  3. 3Quiz
  4. 4Exercise
  5. 5Exercise Solution
8Sets9 min
  1. 1Sets8 min
  2. 2Working With Sets1 min
  3. 3Quiz
  4. 4Exercises
  5. 5Exercise Solutions
9Maps22 min
  1. 1Map Interface2 min
  2. 2What Are Maps1 min
  3. 3Workging With Maps9 min
  4. 4Hashfunction And Hashcode3 min
  5. 5Working Hashfunction And Hashcode8 min
  6. 6Quiz
  7. 7Exercises
  8. 8Exercise Solutions
10Outro2 min
  1. 1Next Steps2 min
  2. 2Feedback
  3. 3Next Course

Choose how you learn

Learn on your own, or with people who check your work

The course is yours to keep. The Academy is this course and every other one, plus the people who get you hired.

Java Data Structures

The course, on your own

$39one payment

  • 50 lectures, 1.7 h of video
  • Subtitles on every video
  • 6 months of IntelliJ IDEA Ultimate
  • Lifetime access to the course and its updates

15-day money-back guarantee

Recommended

The Academy

The courses, plus the people

$129/monthcancel anytime

This course, plus

  • Every course on Amigoscode 50+ in the Zero to Hired Roadmap
  • Daily live calls and 1:1 instructor time
  • Code reviews and pair programming on what you build
  • Interview prep mock interviews, System Design Lab, CV and LinkedIn review
  • Land an interview in 90 days or we coach you 1:1 free until you do.
Join the Academy

7-day money-back guarantee · Secure checkout on Skool

“Nelson was teaching 90% of my job. I was already implementing everything I learnt from it.”
MBMarlon BragaJava Full Stack Software Developer
“I was a totally different person. More confident as a developer, more prepared for my job.”
GabrielaSoftware Engineer at Mercado Livre
“I studied biomedicine and psychology. I found Nelson's Java tutorials while looking for a course for my brother. I was hooked and now here I am, a software engineer at IKEA.”
NajmaSoftware Engineer at IKEA

Read every review →

About this course

Who is this course for?

Level: All (Junior, Mid and Senior Engineers).

How long will it take?

There are about 2 hours of video. Most people finish in a week at 5 hours a week, plus the time you spend building along.

Do I keep access?

Yes. You pay once and keep the course for life, including updates.

What if it isn't for me?

Email us within 15 days of buying and we'll refund you in full.

Should I buy the course or join the Academy?

Buy the course if you only want this topic and you learn well on your own. Join the Academy if you want to get hired or move up: you get every course on Amigoscode, this one included, plus daily live calls, code reviews and interview prep, for $129/month. The course is $39 once.