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Hello, and welcome back. In the previous

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mini course we covered software design, discussed the

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UML and the unified software process, and worked

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on a complex project in which we developed

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a distributed software system. In this mini course,

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which is the last one for this class,

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we will cover my very favorite topic, software

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testing or more generally, software verification and validation.

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So why do I love software testing? Well,

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I love it because it is extremely important. It

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is very challenging and it is fun but only if you do it in the right way.

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In the upcoming lessons we will discuss why

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software verification is important, why software testing, which is

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a specific type of verification, is important, and

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what are the main techniques for performing software testing.

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We will also discuss test-driven development and agile methods,

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in which we'll lose some of the rigidity of

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the earlier processes and turn things around by writing

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tests before we write the code and then writing

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code that makes the test pass. Finally, we will

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perform a project, in which you get to apply

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most of the principles and practices of agile development

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in a realistic scenario. So let's jump right in.