update CEOofHA: update banTravel method, update increase decrease for…

…mulas, update UML.
ahmad-hl · Mar 1, 2021 · 369d9a6 · 369d9a6
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diff --git a/README.md b/README.md
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 ## comp3021 Corona Spring2021
 Implementing Java Polymorphism, Inheritance, exception raising and handling.
-We aim to develop a system as a game to fight Coronavirus.
+We aim to develop a system as a game to fight Coronavirus, COVID 19'.
+![alt text](covid.png)
 
 ### Class Diagram of the main packages
 The system contains primarly three packages: containment, roles and exception. 

diff --git a/covid.png b/covid.png