Object Oriented Programming has become a fundamental part of software development. Because of programming languages like C++ and Java, one can develop software for any platform including for mobile. Even in serious web development, the use of Object Oriented Programming languages like PHP, Python and Ruby is used.
Wrapping the head around Object Oriented Programming concepts can be quite challenging for IT professionals in the beginning. One may wonder what the use of Object Oriented Programming is when one can simply make use of the top-down approach of any traditional structured programming languages like Visual Basic.
If you have written this sort of software, you would usually break the large problem into subproblems in the logic and solve them individually in separate units of codes. A programmer can make use of functional programming that will look at elements of code as precise mathematical functions that prevent one from affecting other elements thereby preventing all kinds of side effects.