| Program Type | Code | Purpose | Executable? | Typical Usage |
|---|---|---|---|---|
| Executable | 1 | Reports, standalone programs | ✅ Yes | Reports, jobs, selection screens |
| Include | I | Reusable code | ❌ No | Shared FORM routines, definitions |
| Module Pool | M | Dialog screens, GUI transactions | ✅ Yes | Custom SAP GUI apps |
| Function Grp | F | Group of function modules | ❌ No | BAPIs, reusable logic |
| Subroutine | S | Collection of FORM routines | ❌ No | Old-style code reuse |
| Class Pool | K | Global class definitions | ❌ No | OO programming, utility classes |
| Interface | J | Global interface definitions | ❌ No | Interface inheritance in OO classes |
DPM125Beginner