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. Visit our site Continuous integration (CI) is a software development practice where developers frequently merge their code changes into a central repository, which is automatically built and tested. CI can help to detect and fix bugs early in the development process. Popular CI platforms include Jenkins, Travis CI, and CircleCI.