SimCorp India Interview Questions and Answers

Maven Central and JCenter are popular repositories for managing dependencies in Gradle build scripts.

• Maven Central is the default repository for Apache Maven, containing a vast number of open-source libraries and artifacts.

• JCenter is a curated repository maintained by Bintray, providing a wide range of popular libraries and artifacts.

• Using these repositories in Gradle build scripts simplifies dependency management and ensures easy access to required libraries.

There are three main architecture patterns in Android: Model-View-Controller (MVC), Model-View-Presenter (MVP), and Model-View-ViewModel (MVVM).

• Model-View-Controller (MVC) separates the application into three main components: the model (data), the view (UI), and the controller (logic).

• Model-View-Presenter (MVP) separates the application into three main components: the model (data), the view (UI), and the presenter (handles user input and updates the view).

• Model-View-ViewModel...read more

Room library is a persistence library that provides an abstraction layer over SQLite to allow for more robust database access while leveraging the full power of SQLite.

• Room library simplifies database interactions by providing compile-time verification of SQL queries.

• It includes components like Entity, DAO (Data Access Object), and Database to define database schema and access data.

• Room library also supports LiveData and RxJava for reactive programming with databases.

• Example:...read more

Scaling an application involves optimizing performance, increasing capacity, and ensuring reliability.

• Use load balancing to distribute traffic evenly across servers.

• Implement caching to reduce database load and improve response times.

• Optimize database queries and indexes for faster data retrieval.

• Use horizontal scaling by adding more servers to handle increased traffic.

• Monitor performance metrics and scale resources accordingly.

• Consider microservices architecture for better s...read more

Coroutines are lightweight threads that can be suspended and resumed, allowing for asynchronous programming in Kotlin.

• Coroutines are defined using the 'suspend' keyword in Kotlin.

• They can be launched using 'launch' or 'async' functions from the kotlinx.coroutines library.

• Coroutines can suspend execution using 'delay' or other suspension points.

• They can communicate with each other using channels or other forms of structured concurrency.