Hacking is a wepon...

These are just a few of my own experience, expectation vs reality and tips for juniors to see what are the pros and cons of taking Computer Science as a Major in University. Bear in mind that these are what I experience in where I'm currently studying, these may not cover all aspects and may not be similar with others' experiences, so be more open minded and hopefully this will give you some of the idea of how things work as a Computer Science Major.