Capgemini Engineering Softwaretest Engineer Interview Questions and Answers

Delegates are a type-safe function pointers used in C# to reference methods.

• Delegates allow methods to be passed as parameters

• Delegates can be used to define callback methods

• Delegates are used in event handling in C#

Interfaces in .NET Core provide a way to define a contract for classes to implement, promoting code reusability and flexibility.

• Interfaces allow for multiple inheritance in .NET Core, as a class can implement multiple interfaces.

• Interfaces help in achieving loose coupling between components, making the code more maintainable and testable.

• Interfaces are used for dependency injection in .NET Core, allowing for easier uni...read more

Garbage collection is used to automatically manage memory by reclaiming unused memory and preventing memory leaks.

• Prevents memory leaks by reclaiming memory that is no longer in use

• Reduces the risk of memory errors and crashes

• Improves performance by freeing up memory for other processes

• Eliminates the need for manual memory management, reducing developer workload

I use TestNG for unit testing and BDD (Behavior Driven Development) for integration testing.

• TestNG is used for unit testing to validate individual units of code.

• BDD is used for integration testing to validate the behavior of the system.

• TestNG allows for easy setup of test cases using annotations like @Test, @BeforeMethod, @AfterMethod.

• BDD frameworks like Cucumber use plain English sentences to define test scenarios.

• Tes...read more