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Chapter 1
Object-Oriented
Programming
Chapter ILOs
Understand the motivation behind OOP
Define Classes
Define Objects
Understand the benefits of OOP
What is the motivation behind using OOP?
Procedural Programming
Language?
• Structured programming
• Calling procedures
• Any procedure can be
called by any procedure
at any time (including
itself)
Problems related to PLs?
• Data is exposed to the
entire code
• Code harder to
read/write
• Spaghetti code
How does OOP solve
these problems?
• Objects and Classes
Objects
Software components that can be reusable
• All around us
Represent real-world items
• Person
• Car
• Others?
Examples:
• Attributes
• Behaviours
How do we define an object?
• The values of the attributes
What is the state of an object?
Object – Example

Object – Example
Attributes
Functionalities
-
-
Classes 



Example –
Class Circle
Object Communication


How is OOP
solving issues
related to PPL?

Benefits of OOP
Ease of software design
Software reusability
Ease in software maintenance
What is next?
What are exactly the
OOP concepts?
How to implement OOP
concepts to achieve
OOP benefits?
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Chapter1_ObjectOrientedProgramming.pptx