What is business logic class and execution logic class?

Question

And why most companies prefer them alot?

Answer 1

Business logic class actually doea functionality of some operaration where as execution logic class is controlling the flow based on outcome of business logic. This is most important in real time scenario. for example, when login Credentials given for validation while login to application, business logic class actually checks whether given Credentials are corr or not where as controlling class will display succes page when Credentials are correct and ereoe page when Credentials are wrong.

Hope this answers your question