1.1 Object Oriented Programming

• OOP stands for object oriented programming
• Object-oriented programming is a software development paradigm that focuses on the development of self-contained software components called objects.
• Object-oriented programming focuses on object design and interaction
• Procedural programming focuses on processing different types of data sequentially
• Object; is an abstraction of something in a problem domain, reflecting the capabilities of the system to keep information about it, interaction with it, or both
• Objects have a state, behavior and indentity
• We define object as a concept, abstraction, or thing with crisp boundaries and meaning for the problem at hand.
• Objects promotes understanding of the real world and provide a practical basis for computer implementation
• Identity; Who am I?

  Each object is unique
• State; What do I know?

  The conditions of an object at any moment that affect how it behaves
• Behavior; What can I do?

  The way in which an object responds to messages