How Use Case 2.0 Works

What is Use Case 2.0, what are the advantages offered by the concept and how can it be used in practice?

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Use Case 2-0 supports agile development
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A Use Case describes the visible behaviour of a system from the user’s view point.

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Every Use Case has a basic flow. Use Case 2.0 follows a sequence of steps that lead directly to the conclusion.

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There are always alternatives if the straight path doesn’t work out. Use Case 2.0 refers to these as alternative flows.

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There is no limit to the number of alternatives possible. Every alternative that stretches from start to finish is described as a Use Case story.

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During the slicing process several Use Case stories gets summarized into one unit – a Use Case slice.

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The slicing takes place along a vertical axis from the first to the last step – not horizontally across Use Cases.