SAP Java Four-System-Landscape

A four-System-Landscape is recommended for Java application development. In ABAP systems, a three-System-Landscape consisting of development (DEV), quality assurance (QAS), and production (PRD) systems is recommended. ABAP programs can be developed fully in the DEV system and moved to QAS for testing. Once the testing is successful, they are approved to be imported into production. However, for Java systems, the development process is different and, therefore, a four-System-Landscape is recommended. In the Java development process, Java code is developed as software components (.jar and .ear files), which are transported to a build/consolidation system. In this system the software components are assembled into a working application, and th....