Access Healthcare Interview Questions and Answers

Polymorphism is the ability of an object to take on many forms. BDC is a batch input technique used to transfer data from legacy systems to SAP.

• Polymorphism allows objects of different classes to be treated as if they are objects of the same class.

• BDC stands for Batch Data Communication and is used to transfer data from legacy systems to SAP.

• There are two types of BDC: Call Transaction and Session Method.

• Call Transaction method is used for single transaction processing while ...read more

Data class is a classification of data objects based on their usage and storage requirements. TMG is a tool used to create and manage table maintenance screens. TMG events are predefined functions that are triggered during table maintenance operations.

• Data class is used to define the storage and usage requirements of data objects

• It helps in optimizing the database performance by grouping similar data objects together

• TMG is a tool used to create and manage table maintenance sc...read more

Errors in Call transaction method can be seen in sy-subrc variable.

• After calling the call transaction method, check the value of sy-subrc variable.

• If sy-subrc is not equal to 0, then there is an error in the call transaction method.

• Use the MESSAGE statement to display the error message.

• Check the transaction SM21 for system logs to get more information about the error.

Call by reference and call by value are two ways of passing arguments to a function.

• Call by value passes a copy of the argument to the function, while call by reference passes a reference to the original argument.

• In call by value, any changes made to the argument inside the function do not affect the original value outside the function.

• In call by reference, any changes made to the argument inside the function affect the original value outside the function.

• Call by value is use...read more

The class used in Factory method is the Factory class.

• The Factory class is responsible for creating objects of different classes based on the input parameters.

• It is a creational design pattern.

• The Factory method is a static method that returns an object of the class that it belongs to.

• Example: Class CarFactory has a static method createCar() that returns an object of Car class.

• The Factory method is used to encapsulate object creation logic and make it more flexible and reusab...read more