Using java A private hospital needs an application to manage COVID$-19$ vaccination records for its patients who are allergic to polyethylene glycol $($PEG$),$ polysorbate $80($PS$80)$ or gelatin. A member of the hospital staff enters the patient$$s basic information, such as their name, age and allergy, and decides which vaccine $($AstraZeneca or Pfizer$)$ is suitable, based on Table $2.$ The staff member then injects the selected vaccine and enters the information in the system. The system generates a report based on the patient$$s allergy, as shown in Table $1.$