All UML design diagrams you must draw diagrams digitally $($in word using Shapes$)$ or using free UML software like Lucidchart, Visual Paradigm, UMLet, PlantUML etc.

$1.$ Create sequence diagrams and communication diagrams of an automated banking system. Also try to create a skeletal code for the different objects in a sequence diagram.

$2.$ Create sequence diagrams and communication diagrams of a student online course handling portal like canvas. Also try to create a skeletal code for the different objects in a sequence diagram.