1. Rather than blindly following the instructor's code, it goes over the theory and principles in a simple way. It's also easy to understand because it explains them with examples that are not difficult! 2. After writing the code, it explains what each code does, line by line. It's very easy to understand how the code you just wrote works! 3. After you finish the curriculum and take the course, it also gives you a direction for your studies, such as what concepts you should study additionally and how to study them. It's great! However, if you're a complete beginner, there are some parts that you might struggle with. That doesn't mean you need a lot of prior knowledge, and if you just learn Java grammar from YouTube or other sources, you can take the course without difficulty.