Adani Group Software Developer Interview Questions and Answers

Map, reduce, and filter are higher-order functions commonly used in functional programming to manipulate arrays.

• Map: Transforms each element in an array based on a provided function.

• Reduce: Reduces an array to a single value by applying a function to each element.

• Filter: Creates a new array with elements that pass a certain condition.

Closures are functions that have access to variables from their containing scope.

• Closures can access variables from their outer function even after the outer function has finished executing.

• Closures can be used to create private variables in JavaScript.

• Closures are commonly used in event handlers and callbacks.

Redux sagas are middleware libraries for managing side effects in Redux applications.

• Redux sagas are used to handle asynchronous actions in Redux, such as API calls or timers.

• They are implemented as generator functions that can pause and resume execution.

• Redux sagas provide a more structured and testable approach to handling side effects compared to traditional Redux middleware like Thunk.

• Common use cases for redux sag...read more

Function to find sum of array using reduce

• Use the reduce method to iterate through the array and accumulate the sum

• Convert array elements to numbers before summing them up

• Handle edge cases like empty array or non-numeric elements

• Example: const array = ['1', '2', '3']; const sum = array.reduce((acc, curr) => acc + Number(curr), 0);

Hitachi Energy is a global technology leader that provides innovative and sustainable energy solutions.

• Hitachi Energy offers a wide range of products and services for the energy sector, including grid integration, digital solutions, and consulting services.

• The company focuses on creating a more sustainable energy future through its advanced technologies and expertise.

• Hitachi Energy is known for its commitment to innova...read more

The main difference between .NET and .NET Core is that .NET Core is a cross-platform, open-source framework while .NET is a Windows-only framework.

• NET Core is cross-platform, meaning it can run on Windows, macOS, and Linux, while .NET is limited to Windows.

• .NET Core is open-source, allowing for community contributions and faster updates, while .NET is primarily developed by Microsoft.

• .NET Core is modular, allowing deve...read more

Functions return a single value, while stored procedures can perform multiple operations and return multiple values.

• Functions return a single value, while stored procedures can return multiple values.

• Functions are called in SQL statements, while stored procedures are called using the EXECUTE command.

• Functions cannot modify the database state, while stored procedures can.

• Functions are precompiled and stored in the datab...read more

MVP architecture stands for Model-View-Presenter architecture, a design pattern that separates the presentation layer from the business logic.

• MVP divides the application into three components: Model (data), View (UI), and Presenter (logic).

• Model represents the data and business logic, View represents the UI, and Presenter acts as an intermediary that communicates between Model and View.

• MVP helps in achieving separation...read more

Use relational database with tables for users, products, orders, etc. Utilize indexes for fast querying.

• Create a table for users with columns like user_id, name, email, etc.

• Create a table for products with columns like product_id, name, price, etc.

• Create a table for orders with columns like order_id, user_id, product_id, quantity, etc.

• Utilize indexes on commonly queried columns like user_id, product_id for faster retri...read more

Notice period is the amount of time an employee must give before leaving a job.

• Notice period is typically stated in the employment contract.

• It can vary from company to company and can range from 1 month to 3 months.

• During the notice period, the employee is expected to work as usual and hand over responsibilities.

• Some companies may allow employees to buy out their notice period by paying a fee.

• Notice period is important...read more

Disclosing current salary and willingness to relocate are common questions in job interviews.

• It is important to be honest about your current salary to avoid any discrepancies later on.

• Express your willingness to relocate if necessary, but also discuss any potential concerns or conditions.

• Consider the benefits of relocating to the base location, such as career growth opportunities or cost of living.

• Provide examples of s...read more

Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.

• Encapsulation: bundling data and methods that operate on the data into a single unit (object)

• Inheritance: allows a class to inherit properties and behavior from another class

• Polymorphism: ability for objects to be treated as instances of their parent class or as instances of their own class

I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.

• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment