Debugging of ABAP code in ABAP Development Tools at least requires:
The ABAP Debugger in the ABAP Development Tools can satisfy most of your debugging requirements. Start the debugger by setting a breakpoint in your code and then running the ABAP program.
The debugger offers, among other features
It's an ABAP debugger, but the look, feel, and functionality are all Eclipse, with all of the comfort and feature-richness that one associates with Eclipse. For a quick orientation to the Debug perspective, follow this ABAP Debugging in ADT.