I would do it the same wayI would suggest you to start with Java. Even though the language itself is not very useful, it is quite easy to understand in comparison with C# and it teaches you the essential knowledge of Object Oriented Programming. Once you master this, i would suggest you to look into Javascript, Kotlin or C#, depending on what you want your first big project to be. You can learn java on mooc.fi from scratch with in depth explanation. Hope it helped!
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I think he should start with html and css first because its very easy to understand as well as writing I also learn html and css first now I am currently learning C# now I know how code works and the syntax of writing it. Thank youFollow YouTube