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The questions in this paper are based on a simplified scenario were records of patients admitted to a hospital with infections are kept. A main client would be responsible for gathering all the required information from the user, where the resording is based on a central container or list of patient records, which is written to file when the application is closed and read in from file when the applixation is started. Patients $($who have a patient number$)$ are considered to be of two types: health workers $($where it needs to be known where the patient works$)$ and non$-$health worker patients $($is which case the testing site needs $6$ be known$).$ Each paticat record also has an object indicating the isfection that the patient has $($assuming that each patient has only one infecton$).$ An infection $($which has an infection code$)$ could be viral $($with a flag indicating whether there is an antiviral that is effective against it$)$ or basterial $($with an indication of an ansibotic which is effective against it$),$

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$1\mathrm{.}1.$ Create a UMIL class diagram to express the scenario described above, taking design patterns into consideration in the design.

You should include the necessary classes, class atributes, elass operations, and class relationships $10$ make it clear you understand how data will be managed and passed between classer. Inclade the Client class wo be used.

$1\mathrm{.}2.$ The exolainer code takes the fullowing format.

Initial B or C chanacter to indicale whether the cootainer is a bos or cylinder.

A $3-$sharaster serial namber containing digits asd upper and lowercase characters.