Virtual reality (VR) is a technology that involves using computer-generated simulations to create a realistic and immersive experience. VR is used in many applications, such as gaming, education, and training. Popular VR platforms include Oculus, HTC Vive, and PlayStation VR. Go to site Object-oriented programming (OOP) is a programming paradigm that uses objects, which are instances of classes, to represent data and behavior. OOP allows for encapsulation, inheritance, and polymorphism, which can make code more modular and reusable. Popular object-oriented programming languages include Java, C++, and Python.