Many people think of MVC design pattern as a means for separating data presentation from data processing, and this is certainly true. However, the separation of data presentation from data processing is only one use case of a much more fundamental concept — namely, the separation of those parts of the program that generate data from those parts that consume data — and it is this fundamental principle that you see time and again within the Web Dynpro architecture.
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The tools of the New ABAP Debugger are optimized for the different debugging situations you may have to deal with during the course of solving a problem. Some of the tools you will recognize from the Classic ABAP Debugger; others are brand new. Before we look at a few of the tools and how to use them, lets first get comfortable with the tools menu and how the tools are organized.