As a 3rd year CS student, I see this a lot. I personally love CS and programming is a hobby for me, so naturally I have projects on my GitHub. I always list my

As a 3rd year CS student, I see this a lot. I personally love CS and programming is a hobby for me, so naturally I have projects on my GitHub. I always list my three personal projects I'm most proud of on my resume. I only list a language if I have proof of competence on my GitHub or in previous employment. Some of my peers will list everything they've written a "hello world" in, and from the employers I've spoken to, a good chunk of them see a long list of languages without any proof to mean they're over projecting competence. Doesn't mean there is no interview, but it hurts the chances of getting one. The interview ends up being the point where they can test how truthful they are.