The answer is the option (A) VB 6. Visual Basic 6 is a Microsoft tool to develop a Graphical User Interface that is quite easy to learn and use. Microsoft developed Visual Basic within the so-called Component Object Model programming model and release its 1st version in 1991. If you wish to learn Java which is a true OOP and want to get certified then check out the Java training course from Intellipaat. Also, have a look at our YouTube video on Top 5 Programming Languages to Learn in 2021 from our experts.