If a customer wants to develop their own custom application and integrate it with SAP...

To develop custom applications and integrate them withSAP S/4HANA Cloud Public Edition, SAP provides tools that cater to both professional developers and citizen developers. Below is an explanation of the correct answers:

SAP Business Application Studio (A):This is a professional development environment designed for building custom applications using modern technologies like SAP Cloud Application Programming Model (CAP) and APIs. It supports full-stack development and integration with SAP S/4HANA Cloud.

SAP Build (B):SAP Build is a low-code/no-code platform that enables non-developers (citizen developers) to create custom applications, automate processes, and design user interfaces using drag-and-drop functionality. It is ideal for users without extensive programming knowledge.

SAP HANA Cloud (C):While SAP HANA Cloud is a powerful database and application platform, it is not a development tool for creating custom applications.

SAP Cloud Portal Service (D):SAP Cloud Portal Service is used to create and manage digital portals, not for developing custom applications.