SAP ABAP Program TREX_TEST_ABAP_COMPONENT4 (Test: generate nested internal table from ABAP component) is using

• Class (9)
• Table/Structure Field (7)
• Function Module (1)
• Class Method (8)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Class Method	CL_ABAP_STRUCTDESCR - CREATE	Runtime Type Services
2	Class Method	CL_ABAP_TABLEDESCR - CREATE	Runtime Type Services
3	Class Method	CL_ABAP_TABLEDESCR - GET_TABLE_LINE_TYPE	Runtime Type Services
4	Class Method	CL_ABAP_TYPEDESCR - DESCRIBE_BY_DATA	Runtime Type Services
5	Class Method	CL_ABAP_TYPEDESCR - DESCRIBE_BY_DATA_REF	Runtime Type Services
6	Class Method	CL_TREX_STRUCTURE - ATTR_DEF_TO_AB_COMPDESCR	Structure Abstraction
7	Class Method	CL_TREX_TEST_TABLE - CREATE_TABLE_FROM_ATTRIBUTES	Generic Table for Testing
8	Class Method	CL_TREX_UTILITY - CREATE_COMP_DESCR	TREX utility.