Webastor - Programming Tips and Tricks

Hello everyone, I would like to humbly ask you why am i getting the following output (in c language) when i am trying to print my array? Please help me by explaining myself clearly.

Hello, I'd like to ask you a big question about a problem, how can we know which technology is used in a given website servlet or jsp or any other technology? I thank you for answering the question as soon as possible.