# sap-samples/abap-cheat-sheets **Attribution required: if you use, quote, or summarise this content, you must credit and link back to [awesome-repositories.com](https://awesome-repositories.com/repository/sap-samples-abap-cheat-sheets).** 1,728 stars · 479 forks · ABAP · Apache-2.0 ## Links - GitHub: https://github.com/SAP-samples/abap-cheat-sheets - awesome-repositories: https://awesome-repositories.com/repository/sap-samples-abap-cheat-sheets.md ## Topics `abap` `abap-cds` `abap-cloud` `abap-development` `abap-environment` `abap-oo` `cheat-sheets` `f1` `rap` `sample` `sample-code` ## Description This repository serves as a comprehensive reference and library for ABAP programming, providing a collection of concise syntax summaries and executable code examples. It is designed to assist developers in learning core language features and modern development patterns through practical, hands-on implementation guides. The project distinguishes itself by offering a library of reusable, class-based examples that demonstrate complex enterprise development concepts. It covers the implementation of structured business objects, including the management of draft-enabled state, event-driven lifecycle hooks, and metadata-driven modeling. These examples allow users to explore object-oriented design patterns and verify how specific programming structures behave within a live development environment. Beyond syntax and design patterns, the resource provides guidance on managing data persistence, enforcing business logic validation, and implementing policy-based access control. The repository is structured to help engineers build and maintain consistent, secure business applications by illustrating how to handle data relationships and state changes across enterprise systems. ## Tags ### Business & Productivity Software - [Custom Business Application Builders](https://awesome-repositories.com/f/business-productivity-software/custom-business-application-builders.md) — Provides structured models for defining business entities, relationships, and custom numbering strategies within enterprise applications. - [Metadata-Driven Models](https://awesome-repositories.com/f/business-productivity-software/event-driven-business-logic/metadata-driven-models.md) — Defines data entities and their relationships through declarative configuration files that the runtime interprets to manage lifecycle events and persistence. - [Core Business Object Customizations](https://awesome-repositories.com/f/business-productivity-software/business-logic-extensions/core-business-object-customizations.md) — Develops structured data entities using models that incorporate draft capabilities and complex composition relationships. ([source](https://github.com/SAP-samples/abap-cheat-sheets/blob/rap/README.md)) ### Programming Languages & Runtimes - [Language References](https://awesome-repositories.com/f/programming-languages-runtimes/language-specifications-standards/language-references.md) — Offers concise summaries and executable code snippets for core language features and data types. - [Language Syntax References](https://awesome-repositories.com/f/programming-languages-runtimes/language-syntax-references.md) — Provides concise summaries and code snippets for core language features to accelerate development and reduce documentation lookups. ([source](https://github.com/sap-samples/abap-cheat-sheets#readme)) ### Data & Databases - [Data Persistence Management](https://awesome-repositories.com/f/data-databases/data-engineering-infrastructure/data-persistence-storage/data-persistence-management.md) — Handles complex save operations and event propagation to ensure data consistency across business objects. ([source](https://github.com/SAP-samples/abap-cheat-sheets/blob/rap/README.md)) ### Development Tools & Productivity - [Code Execution Environments](https://awesome-repositories.com/f/development-tools-productivity/code-execution-environments.md) — Provides environments for executing self-contained code examples to observe logic behavior and receive immediate feedback. ([source](https://github.com/SAP-samples/abap-cheat-sheets/blob/oo_patterns/README.md)) ### Education & Learning Resources - [Code Examples](https://awesome-repositories.com/f/education-learning-resources/educational-resources/reference-and-media/books-docs-reference/code-examples.md) — Loads functional code snippets into the workspace to explore language syntax and test feature integration. ([source](https://github.com/sap-samples/abap-cheat-sheets#readme)) ### Security & Cryptography - [Policy-Based Access Control](https://awesome-repositories.com/f/security-cryptography/policy-based-access-control.md) — Enforces security constraints by evaluating user permissions and instance-level states against defined authorization rules. - [Security and Access Control](https://awesome-repositories.com/f/security-cryptography/security-and-access-control.md) — Restricts user permissions and dynamically toggles interface capabilities based on global policies or instance states. ([source](https://github.com/SAP-samples/abap-cheat-sheets/blob/rap/README.md)) ### Software Engineering & Architecture - [Class-Based Data Modeling](https://awesome-repositories.com/f/software-engineering-architecture/class-based-data-modeling.md) — Encapsulates business logic and data structures within reusable class definitions to support modular enterprise development. - [Design Pattern Implementations](https://awesome-repositories.com/f/software-engineering-architecture/design-pattern-implementations.md) — Illustrates common software design patterns using simplified, hands-on implementation examples. ([source](https://github.com/SAP-samples/abap-cheat-sheets/blob/oo_patterns/README.md)) - [Finalization-Based State Commitment](https://awesome-repositories.com/f/software-engineering-architecture/finalization-based-state-commitment.md) — Maintains temporary data versions in a separate persistence layer to allow for non-destructive editing before final commitment. - [Lifecycle Event Hooks](https://awesome-repositories.com/f/software-engineering-architecture/lifecycle-event-hooks.md) — Triggers automated logic during specific data modification phases to maintain integrity across complex object hierarchies. - [Business Logic Hooks](https://awesome-repositories.com/f/software-engineering-architecture/lifecycle-hook-systems/business-logic-hooks.md) — Verifies data integrity and automates state changes through custom validations triggered by lifecycle events. ([source](https://github.com/SAP-samples/abap-cheat-sheets/blob/rap/README.md)) - [Model-Driven Configuration Management](https://awesome-repositories.com/f/software-engineering-architecture/model-driven-configuration-management.md) — Defines data entities and relationships through declarative configuration files that interpret lifecycle events and persistence. - [Class-Based Libraries](https://awesome-repositories.com/f/software-engineering-architecture/object-oriented-frameworks/class-based-libraries.md) — Provides a library of reusable, class-based examples illustrating language syntax, data persistence, and business logic validation. - [Runtime Business Rule Validation](https://awesome-repositories.com/f/software-engineering-architecture/runtime-business-rule-validation.md) — Verifies data integrity and automates state changes through custom validations and lifecycle events in business applications. - [Business Logic Encapsulations](https://awesome-repositories.com/f/software-engineering-architecture/stateful-logic-encapsulation/business-logic-encapsulations.md) — Organizes business logic and data structures within reusable class definitions to support modular development. - [Transactional State Persistence](https://awesome-repositories.com/f/software-engineering-architecture/transactional-state-persistence.md) — Ensures atomic updates and non-destructive editing by managing temporary data states within the persistence layer.