What is Class diagram? and what is Business Analyst to do with a class diagram ?
Class diagram is type of structural diagram which show cases the entire system in different blocks of classes in a structural format. A class diagram will be mostly used in the UML (Unified Modelling Language).
So, A class diagram shows the structure of the system by representing a Systems Classes and its sub classes. In the above diagram, Checking account, savings account & Loans are classes. Home loan, Car loan are sub classes of ‘Loans’.
Normally these class diagrams are drawn in MS Visio where different shapes can be drawn with less effort. Other tools can also be used depending upon your company licensing.