Make the code in Java. Important, put screenshots of the execution of the program and provide the code. (otherwise I will give thumbs down , please just do everything I asked for, thanks)

#1 Make a Data Flow Diagram and an N/S Diagram, for the algorithm to choose which is the best product in terms of efficiency, effectiveness and customer satisfaction with their respective desktop test.

In this context, the student must explain how a product is chosen by any, which will be evaluated within the algorithm to choose the best option according to what a client is looking for.