Object Oriented Programming Flashcards, test questions and answers

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What is Object Oriented Programming?

Object-oriented programming (OOP) is a programming paradigm that uses objects and their interactions to design applications and computer programs. It is used to develop large, complex software systems. OOP revolves around objects, classes, and methods, rather than just functions and procedures. Objects in OOP are instances of classes which contain data fields (attributes or properties) that are manipulated by methods (actions). Classes are templates that define the properties of the objects they create such as their attributes and behaviours.Object-oriented programming lets developers create complex applications more easily by making it easier to reuse code. This means fewer lines of code need to be written, while also making it easier to maintain code over time. Additionally, because OOP makes it easy for developers to understand how each part of the program works together, debugging becomes much simpler as well. In addition to this increased efficiency in development time, object-oriented programming also allows for easy maintenance and modification of existing applications since object-oriented programs have an inherent modularity which makes components easier to locate within the system architecture.Finally, object-oriented programming provides better security since all data fields are kept within the bounds of private classes or subclasses with limited access through interface methods only known by those with permission from other parts of the application or system architecture which helps keep sensitive information secure from unauthorized access or manipulation from external sources attempting malicious activities like hacking into systems or altering data stored within databases.