Revise your UML diagram in Task 1.1, to incorporate the NavSys class and show their relationship using appropriate UML notations.

| February 14, 2018

Revise your UML diagram in Task 1.1, to incorporate the

NavSys class and show their relationship using appropriate UML

notations.

Task 2.2. Implement the NavSys class and test this with a program

called TestNavSys by creating an instance of NavSys, adding and

then selling some navigation system stock and changing the price,

whilst printing out the item in between.

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