--- title: Learn SAP from the Experts | The SAP PRESS Blog | Programming (4) description: Programming | Learn how to use SAP and take the next step on your learning journey. Read blogs on SAP S/4HANA, FICO, ABAP, SuccessFactors, SAP BTP, SAP Fiori, and more! (4) --- [![rheinwerk-sappress-logo-header-1](https://blog.sap-press.com/hubfs/rheinwerk-sappress-logo-header-1.svg)](https://blog.sap-press.com/) [Blog](https://blog.sap-press.com) - Books - Get an overview of our books and courses on every relevant SAP topic. - [Programming](https://sap-press.com/programming/) - [Administration](https://sap-press.com/administration/) - [BI](https://sap-press.com/business-intelligence/) - [Finance](https://sap-press.com/finance-controlling/) - [Logistics](https://sap-press.com/logistics/) - [HR](https://sap-press.com/human-resources/) - [CRM & Sales](https://sap-press.com/marketing-sales/) - [HANA](https://sap-press.com/hana/) - [Introductions](https://sap-press.com/introductions/) - [E-Bites](https://sap-press.com/e-bites/) - [Certification Guides](https://www.sap-press.com/certification-guides/) - [Rheinwerk Courses](https://www.sap-press.com/online-courses/) - Book Subscription - Get unlimited access to all SAP PRESS books! - [SAP PRESS Subscription](https://sap-press.com/subscriptions/) # Programming (4) [![SAP S/4HANA Clean Core: Principles, Benefits, and Best Practices](https://blog.sap-press.com/hs-fs/hubfs/SAP%20S_4HANA%20Clean%20Core_%20Principles%2c%20Benefits%2c%20and%20Best%20Practices%20for%20a%20Future-Ready%20ERP.jpg?height=600&name=SAP%20S_4HANA%20Clean%20Core_%20Principles,%20Benefits,%20and%20Best%20Practices%20for%20a%20Future-Ready%20ERP.jpg)](https://blog.sap-press.com/sap-s4hana-clean-core-principles-benefits-and-best-practices) ## [SAP S/4HANA Clean Core: Principles, Benefits, and Best Practices](https://blog.sap-press.com/sap-s4hana-clean-core-principles-benefits-and-best-practices) In today’s fast-paced digital economy, organizations are under constant pressure to innovate, remain agile, and reduce complexity—all while ensuring... ![Saurav Mago](https://blog.sap-press.com/hubfs/Saurav%20Mago.jpg) by [Saurav Mago](https://blog.sap-press.com/author/saurav-mago) [Read More](https://blog.sap-press.com/sap-s4hana-clean-core-principles-benefits-and-best-practices) [![SAP Integration Suite Architecture: How SAP BTP Enables It](https://blog.sap-press.com/hs-fs/hubfs/Inside%20the%20Architecture%20of%20SAP%20Integration%20Suite_%20How%20SAP%20BTP%20Enables%20Modern%20Integration.jpg?height=600&name=Inside%20the%20Architecture%20of%20SAP%20Integration%20Suite_%20How%20SAP%20BTP%20Enables%20Modern%20Integration.jpg)](https://blog.sap-press.com/inside-the-architecture-of-sap-integration-suite) ## [SAP Integration Suite Architecture: How SAP BTP Enables It](https://blog.sap-press.com/inside-the-architecture-of-sap-integration-suite) SAP Integration Suite functions as a centralized integration platform within SAP BTP, thereby empowering companies to implement comprehensive,... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/inside-the-architecture-of-sap-integration-suite) [![How to Test ABAP Business Services in SAP Gateway Client](https://blog.sap-press.com/hs-fs/hubfs/How%20to%20Test%20ABAP%20Business%20Services%20in%20SAP%20Gateway%20Client.jpg?height=600&name=How%20to%20Test%20ABAP%20Business%20Services%20in%20SAP%20Gateway%20Client.jpg)](https://blog.sap-press.com/how-to-test-abap-business-services-in-sap-gateway-client) ## [How to Test ABAP Business Services in SAP Gateway Client](https://blog.sap-press.com/how-to-test-abap-business-services-in-sap-gateway-client) Working with OData services in SAP often begins with understanding how to access and test those services, and the service URL plays a central role in... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/how-to-test-abap-business-services-in-sap-gateway-client) [![What Is the New Development Model for ABAP?](https://blog.sap-press.com/hs-fs/hubfs/What%20Is%20the%20New%20Development%20Model%20for%20ABAP_.jpg?height=600&name=What%20Is%20the%20New%20Development%20Model%20for%20ABAP_.jpg)](https://blog.sap-press.com/what-is-the-new-development-model-for-abap) ## [What Is the New Development Model for ABAP?](https://blog.sap-press.com/what-is-the-new-development-model-for-abap) The new development model recommended by SAP today is called ABAP Cloud. ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/what-is-the-new-development-model-for-abap) [![How to Set Up SAP Business Application Studio](https://blog.sap-press.com/hs-fs/hubfs/How%20to%20Set%20Up%20SAP%20Business%20Application%20Studio.jpg?height=600&name=How%20to%20Set%20Up%20SAP%20Business%20Application%20Studio.jpg)](https://blog.sap-press.com/how-to-set-up-sap-business-application-studio) ## [How to Set Up SAP Business Application Studio](https://blog.sap-press.com/how-to-set-up-sap-business-application-studio) SAP Business Application Studio is a web-based cloud service offered as part of SAP BTP. ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/how-to-set-up-sap-business-application-studio) [![Business Object Interfaces in ABAP RAP](https://blog.sap-press.com/hs-fs/hubfs/Business%20Object%20Interfaces%20in%20the%20ABAP%20RESTful%20Application%20Programming%20Model.jpg?height=600&name=Business%20Object%20Interfaces%20in%20the%20ABAP%20RESTful%20Application%20Programming%20Model.jpg)](https://blog.sap-press.com/business-object-interfaces-in-abap-rap) ## [Business Object Interfaces in ABAP RAP](https://blog.sap-press.com/business-object-interfaces-in-abap-rap) From a purely technical point of view, the interface layer for ABAP RESTful application programming model (RAP) business objects and the business... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/business-object-interfaces-in-abap-rap) [![OData Models for SAPUI5](https://blog.sap-press.com/hs-fs/hubfs/OData%20Models%20for%20SAPUI5.jpg?height=600&name=OData%20Models%20for%20SAPUI5.jpg)](https://blog.sap-press.com/odata-models-for-sapui5) ## [OData Models for SAPUI5](https://blog.sap-press.com/odata-models-for-sapui5) OData models form the backbone of data binding in SAPUI5 applications, allowing developers to seamlessly connect user interfaces with backend OData... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/odata-models-for-sapui5) [![APIs vs IDocs: Integration in SAP S/4HANA and SAP Cloud ERP](https://blog.sap-press.com/hs-fs/hubfs/APIs%20vs%20IDocs_%20Integration%20in%20SAP%20S_4HANA%20and%20SAP%20Cloud%20ERP.jpg?height=600&name=APIs%20vs%20IDocs_%20Integration%20in%20SAP%20S_4HANA%20and%20SAP%20Cloud%20ERP.jpg)](https://blog.sap-press.com/apis-vs-idocs-in-sap-s4hana-and-sap-cloud-erp) ## [APIs vs IDocs: Integration in SAP S/4HANA and SAP Cloud ERP](https://blog.sap-press.com/apis-vs-idocs-in-sap-s4hana-and-sap-cloud-erp) What if I told you that IDocs no longer exist in SAP S/4HANA Public Cloud? ![Trung Van Tran](https://blog.sap-press.com/hubfs/Trung%20Van%20Tran.jpg) by [Trung Van Tran](https://blog.sap-press.com/author/trung-van-tran) [Read More](https://blog.sap-press.com/apis-vs-idocs-in-sap-s4hana-and-sap-cloud-erp) [![Central Decision Management in SAP Build Process Automation](https://blog.sap-press.com/hs-fs/hubfs/Central%20Decision%20Management%20in%20SAP%20Build%20Process%20Automation.jpg?height=600&name=Central%20Decision%20Management%20in%20SAP%20Build%20Process%20Automation.jpg)](https://blog.sap-press.com/central-decision-management-in-sap-build-process-automation) ## [Central Decision Management in SAP Build Process Automation](https://blog.sap-press.com/central-decision-management-in-sap-build-process-automation) Decision and business rules have evolved over the years in SAP. With each platform, the business rules technology also evolved with time. ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/central-decision-management-in-sap-build-process-automation) [![5 Things You Should Know About the ABAP Unit Testing Course](https://blog.sap-press.com/hs-fs/hubfs/5%20Things%20You%20Should%20Know%20About%20the%20ABAP%20Unit%20Testing%20Course.jpg?height=600&name=5%20Things%20You%20Should%20Know%20About%20the%20ABAP%20Unit%20Testing%20Course.jpg)](https://blog.sap-press.com/5-things-you-should-know-about-the-abap-unit-testing-course) ## [5 Things You Should Know About the ABAP Unit Testing Course](https://blog.sap-press.com/5-things-you-should-know-about-the-abap-unit-testing-course) In this blog post, learn about our upcoming Rheinwerk Course entitled ABAP Unit Testing from the course instructor, Dr. Kerem Koseoglu. ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/5-things-you-should-know-about-the-abap-unit-testing-course) - - [1](https://blog.sap-press.com/tag/programming/page/1) - [...](https://blog.sap-press.com/tag/programming/page/1) - [2](https://blog.sap-press.com/tag/programming/page/2) - [3](https://blog.sap-press.com/tag/programming/page/3) - [4](https://blog.sap-press.com/tag/programming/page/4) - [5](https://blog.sap-press.com/tag/programming/page/5) - [6](https://blog.sap-press.com/tag/programming/page/6) - [...](https://blog.sap-press.com/tag/programming/page/9) - [21](https://blog.sap-press.com/tag/programming/page/21) - ### SAP Blog Topics - [All SAP Topics](https://blog.sap-press.com) - [Logistics](https://blog.sap-press.com/tag/logistics) - [Programming](https://blog.sap-press.com/tag/programming) - [FICO](https://blog.sap-press.com/tag/fico) - [Administration](https://blog.sap-press.com/tag/administration) - [Featured](https://blog.sap-press.com/tag/featured) - [Business Intelligence](https://blog.sap-press.com/tag/business-intelligence) - [What Is?](https://blog.sap-press.com/tag/what-is) - [CRM & Sales](https://blog.sap-press.com/tag/crm-sales) - [Human Resources](https://blog.sap-press.com/tag/human-resources) - [Video](https://blog.sap-press.com/tag/video) **Subscribe to our blog!**Get notified about future blog updates. - - - - - ### Most Popular Blog Posts 1. 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