I thank you for your contribution. Here are my thoughts;

• Contributions on Utopian must be open source and contain correct repository from GitHub. This one does not contain a repository. As there is no official repository for Java, you can include whitelisted unofficial repository for it. You can find whitelisted repositories on the guidelines page.

• Main purpose of the tutorial is to teach the user something unique, not to show ubiquitous functions and replicate well-documented concepts. What you've shown here can easily be found on the internet, with great quality. So, what I suggest is changing the topic or increasing both the quality and the volume of the tutorial to provide a better alternative to those ones over the internet.

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