FAQ: Hello World: Java - Commenting Code

This community-built FAQ covers the “Commenting Code” exercise from the lesson “Hello World: Java”.

Paths and Courses
This exercise can be found in the following Codecademy content:

Learn Java

FAQs on the exercise Commenting Code

There are currently no frequently asked questions associated with this exercise – that’s where you come in! You can contribute to this section by offering your own questions, answers, or clarifications on this exercise. Ask or answer a question by clicking reply (reply) below.

If you’ve had an “aha” moment about the concepts, formatting, syntax, or anything else with this exercise, consider sharing those insights! Teaching others and answering their questions is one of the best ways to learn and stay sharp.

Join the Discussion. Help a fellow learner on their journey.

Ask or answer a question about this exercise by clicking reply (reply) below!

Agree with a comment or answer? Like (like) to up-vote the contribution!

Need broader help or resources? Head here.

Looking for motivation to keep learning? Join our wider discussions.

Learn more about how to use this guide.

Found a bug? Report it!

Have a question about your account or billing? Reach out to our customer support team!

None of the above? Find out where to ask other questions here!

I’m confused of where I should put the comment in the code as indicated by the instructions

You have to put your code inside the braces/ brackets of the main method.

What are the guidelines for using comments? I’ve met a lot of engineers who refuse to comment code and believe code should be self commenting/descriptive. But time and time again, when we are looking at code written by predecessors, people don’t have a good understanding of what and more importantly WHY a piece of code was written to perform such function.