An MCA can open routes into software development, testing, databases, analytics, networking, cybersecurity and other IT functions. Employers will still look at practical skills and experience. The practical value of coding practice becomes clearer when you use it to solve an actual problem instead of studying definitions alone. This point is specifically relevant to the coding practice aspect of MCA study. For this specific question about coding practice, the practical takeaway is to relate the concept to your own MCA learning goal.