NTT Data Information Processing Services AI Engineer Interview Questions and Answers for Experienced

OOPS concepts refer to Object-Oriented Programming principles such as inheritance, encapsulation, polymorphism, and abstraction.

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

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation det

Await and Sync are programming concepts used for managing asynchronous operations in code execution.

• Await is used to pause the execution of a function until a Promise is settled, returning the result.

• Sync is used to synchronize multiple threads or processes to ensure they are executed in a specific order.

• Example: await fetch('https://api.example.com/data')

• Example: sync.Mutex.Lock()

• Both Await and Sync are important for ...read more

Agile methodology is a project management approach that emphasizes flexibility, collaboration, and incremental development.

• Agile focuses on delivering working software in short, iterative cycles called sprints.

• It values customer collaboration, responding to change, and continuous improvement.

• Key principles include individuals and interactions over processes and tools, working software over comprehensive documentation, ...read more

Code migration involves understanding the existing codebase, planning the migration process, translating code to the new language, testing thoroughly, and ensuring compatibility.

• Understand the existing codebase thoroughly to identify dependencies, logic, and functionality.

• Plan the migration process by breaking it down into smaller tasks, setting timelines, and allocating resources.

• Translate the code to the new language...read more