$1.$ Use Eclipse$$s Plugin or Visual Studio code$$s extension of PlantUML $($your choice$)$ to do the following:

a$.$Create a Use Case $($be creative and demo should make sense$)$

i$\mathrm{.}2$ actors

ii$.4$ use cases

iii. Relationship

iv$.$System boundary

b$.$Provide the script$($s$)$ and screenshot

$2.$ Use Eclipse$$s Plugin or Visual Studio code$$s extension of PlantUML $($your choice$)$ to do the following:

a$.$Create a Class Diagram Case $($be creative and demo should make sense$)$

i$\mathrm{.}1$ interface with $2$ abstract methods

ii$.1$ abstract class with $2$ abstract methods

iii. $1$ class that uses both interface and abstract class.

iv$.$Provide the script$($s$)$ and screenshot.