MAHLE ANAND Filter Systems Interview Questions, Process, and Tips

Implicit and explicit enhancements are ways to modify standard SAP code without modifying it directly.

• Implicit enhancements are modifications made to standard SAP code without changing the original code. They are done using predefined hooks in the code.

• Explicit enhancements are modifications made to standard SAP code by directly modifying the original code. They are done using custom code.

• To identify implicit enhanceme...read more

Sorted BADI's are used to execute multiple implementations in a specific order.

• Sorted BADI's are used when multiple implementations need to be executed in a specific order.

• The order is determined by a sort number assigned to each implementation.

• The sort number can be set in the BADI definition or in the implementation.

• To use sorted BADI's, the BADI interface must have a method to retrieve the sort number.

• An example of ...read more

Inbound IDoc implementation involves configuring partner profiles and processing the IDoc data. Extension in IDoc allows adding custom fields to the standard IDoc structure.

• Create a partner profile for the sender system in transaction WE20

• Define the IDoc type and message type in transaction WE82

• Create a port and assign it to the partner profile in transaction WE21

• Configure the inbound processing in transaction BD51

• Exte...read more

Code review techniques include static analysis, peer review, and automated testing. Performance optimization techniques include caching, minimizing database calls, and optimizing code logic.

• Static analysis involves using tools to analyze code for potential issues before it is executed.

• Peer review involves having other developers review code for errors and potential improvements.

• Automated testing involves using tools to...read more

Interface is a blueprint of a class. Abstract class is a class that cannot be instantiated.

• Interface defines a set of methods that a class must implement.

• Abstract class can have both abstract and non-abstract methods.

• Interface can be implemented by multiple classes.

• Abstract class can be extended by a subclass.

• Example of interface: Comparable interface in Java.

• Example of abstract class: Animal class with abstract method