Question: 2. Apply the refactoring approach Collapse Hierarchy to reduce the hierarchy levels by one. Ensure that the main/test routine still works as expected. Make a

 2. Apply the refactoring approach "Collapse Hierarchy" to reduce the hierarchylevels by one. Ensure that the main/test routine still works as expected.

2. Apply the refactoring approach "Collapse Hierarchy" to reduce the hierarchy levels by one. Ensure that the main/test routine still works as expected. Make a copy of all the code in a folder called "RefactoringStepl

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