Information technology systems can be broadly classified as follows:
The preceding systems may be centralized or decentralized in the way that they are distributed.
Object-oriented systems use the concept of objects that work together with other objects in a system to achieve certain objectives. Related and common tasks are grouped together as an object. Such systems are considered more reliable and less prone to security issues due to changes in the software code.
The following are some of the concepts of object-oriented systems.
An object-oriented programming method uses the collection ...