This makes it so easy to understand!!! Thank you.

I knew nothing about coding tests, but I feel like I was able to quickly build a solid foundation. Thank you!

I wish I had listened to it sooner.. It's so good!

The code visualization part was a huge help in understanding data structures and algorithms. It was a great opportunity to gain a detailed understanding of time complexity, and I'm glad I chose this course for my first time learning data structures and algorithms. I am very satisfied and highly recommend it to beginners.

The data visualization was so well done that it was easy to understand. If anyone is hesitating to buy, I highly recommend just going for it! The explanations within the lecture were also very logically structured, making it very comfortable to listen to.

The course content is good, but errors occur far too often on the coding test practice site... 😨

Personally, I feel proud that I was able to finish the course.

I've completed the entire course. The visual effects and detailed explanations of algorithms I only vaguely understood were extremely helpful for my comprehension. Since the lectures were edited to be compact, I was able to repeatedly watch the difficult parts without feeling time pressure, which was very helpful. I've never left a course review before, but I think this will be a great help for coding tests.

It was incredibly easy to learn and there were many tips, which was great for preparing for coding tests in Java for company exams!!👍

I understand so well!