This ‘?=’ denotes a widening cast operator. In widening cast we assign reference of superclass to reference of subclass. Suppose u have a superclass lcl_vehicle its reference is r_vehicle. abd you have its subclass lcl_car with reference r_car. r_car ?= r_vehicle. ‘?=’ denotes the WIDECASTING Operator in ABAP Object. The assignment of an object reference … Continue reading What does ‘?=’ means in CL_SALV_TABLE class