The document discusses key concepts in object-oriented programming, including state, inheritance, polymorphism, encapsulation, dynamic binding, coupling, and cohesion. It also mentions methods of representing algorithms, such as flow charts, structured English, and pseudo code. These concepts are essential for understanding software design and development.

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State
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3. Inheritance
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4. Polymorphism
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5. Polymorphism
speak()

6. Dynamic Binding
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8. Encapsulation and hiding
Coupling
Cohesion

10. Methods Specifications
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1.Flow Charts
2.Structured English Algorithms
3.Pseudo code

11. Flow Charts

12. Structured English Algorithms

13. Pseudo code