GE Vernova Software Developer Interview Questions and Answers

20 min - 20 questions

Q1. About virtual DOM and it's implementation
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Q2. Implementation of map, reduce, filter
Ans. 
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.
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Q3. Closures and their implementation
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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.
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Q4. Redux sagas and their practical use cases
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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
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Q5. Basic javascript output questions
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Q1. Write a function to find the sum of the array using reduce.
Ans. 
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);
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Q2. About form validation techniques
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Q3. UseCallback and useMemo
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Q1. What do you know about Hitachi energy
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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
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Q2. Why do you want to join only Hitachi energy.
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C++ coding question with UML diagram

Q1. Problem solving question
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Q1. Problem solving question
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Q1. About salary discussion and notice period
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Q1. What is the difference between .net and .net core?
Ans. 
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
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Q2. What is the difference between function and stored procedure?
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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
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Q1. Just half hour interview Oops concept
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Q2. . Net and angular basics
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Q3. Project in details
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Q1. What if team is not supporting you
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Q2. Manager is not agree
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Q3. 5 year your goals
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Q1. Object oriented programming concept.
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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
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Q1. About the projects worked
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Q2. Questions on the product and logics that we worked
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Q1. What is the notice period
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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
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Q2. Current Salary and relocate to base location
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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
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