This presentation can be used to introduce OO concepts and the SOLID principles to developers

1. Smart People · Smart Solutions

2. Object Oriented Design Principles Session 1 – Getting a S.O.L.I.D understanding of the basic principles

9. The Basic Concepts of OO - Polymorphism public void ShowPolyMorphismExample() { DerivedClass B = new DerivedClass(); DoWork( B ); BaseClass A = (BaseClass) B ; DoWork( A ); DerivedClass2 C = new DerivedClass2(); DoWork( C ); } public void DoWork (BaseClass baseClass) { baseClass.DoWork(); } public class DerivedClass2 : BaseClass { public override void DoWork() { } public override int WorkProperty { get { return 0; } } } public class DerivedClass : BaseClass { public override void DoWork() { } public override int WorkProperty { get { return 0; } } } public class BaseClass { public virtual void DoWork() { } public virtual int WorkProperty { get { return 0; } } }

11. The Basic Concepts of OO - Getting a S.O.L.I.D understanding of the basic principles

28. OCP: Where and when View Business Database System 1

29. OCP: Where and when View Business Database System 1

30. OCP: Where and when View Business Database System 1 View Database System 2

31. OCP: Where and when View Business Database System 1 View Database System 2

62. DIP: Example 1 – Final Solution