Episource Interview Questions and Answers

Types define the structure of data while interfaces define the behavior of classes. Types can be used for defining variables and parameters, while interfaces can be used for defining contracts for classes.

• Types define the structure of data, such as primitive types (int, string) or custom types (class, struct)

• Interfaces define the behavior that a class must implement, without specifying how it should be implemented

• Types are used for defining variables, parameters, return types...read more

I would improve Google Maps by enhancing its real-time traffic updates and integrating more public transportation options.

• Improve real-time traffic updates to provide more accurate and timely information to users

• Integrate more public transportation options to provide users with more choices for getting around

• Enhance the user interface to make it more intuitive and user-friendly

• Add more detailed information about points of interest, such as reviews and ratings

• Improve the accur...read more

Angular is a framework for building client-side web applications.

• Angular is a front-end framework developed by Google.

• It allows developers to build dynamic, single-page web applications.

• Angular uses TypeScript for building applications.

• It provides features like data binding, dependency injection, and routing.

• Examples of popular Angular applications include Gmail and Netflix.

Pipe operator is a symbol used in programming languages to pass the output of one function as input to another function.

• Pipe operator is represented by | in many programming languages.

• It allows for cleaner and more readable code by chaining functions together.

• Example: x |> f |> g is equivalent to g(f(x)).

Higher order functions are functions that can take other functions as arguments or return functions as results.

• Higher order functions can accept functions as parameters.

• Higher order functions can return functions as output.

• Examples include map, filter, and reduce functions in JavaScript.

REST API best practices include using meaningful resource URIs, proper use of HTTP methods, versioning, security measures, and documentation.

• Use meaningful resource URIs to represent entities and relationships

• Properly use HTTP methods (GET, POST, PUT, DELETE) for CRUD operations

• Implement versioning to manage changes in API

• Implement security measures such as authentication and authorization

• Document API endpoints, parameters, and responses for developers