Accubits Technologies Interview Questions and Answers

Currying in JavaScript is a functional programming technique that transforms a function with multiple arguments into a sequence of functions.

• Currying allows partial application of functions, enabling you to fix a number of arguments and generate a new function.

• Example: A function `add(a, b)` can be curried to `add(a)(b)`, where `add(a)` returns a new function that takes `b`.

• It enhances code reusability and readabi...read more

Deep copy creates a new object with copies of nested objects; shallow copy copies references to nested objects.

• Shallow copy: Copies the outer object but references inner objects. Example: Using 'copy()' in Python.

• Deep copy: Creates a new object and recursively copies all nested objects. Example: Using 'copy.deepcopy()' in Python.

• Modifying a shallow copy affects the original object if nested objects are changed.

• Dee...read more

JavaScript is an interpreted, event-driven language that runs in the browser and on servers, enabling dynamic web applications.

• JavaScript is executed in the browser's JavaScript engine (e.g., V8 in Chrome).

• It uses an event loop to handle asynchronous operations, allowing non-blocking execution.

• JavaScript is single-threaded, meaning it can only execute one piece of code at a time.

• The language is prototype-based, al...read more

ORM stands for Object-Relational Mapping, which is a programming technique for converting data between incompatible type systems.

• ORM maps objects from the application to tables in a relational database

• It eliminates the need for writing complex SQL queries by allowing developers to interact with the database using objects

• ORM frameworks like Hibernate, Entity Framework, and Sequelize provide tools for managing datab...read more

Java is a high-level programming language used for developing applications. Object is an instance of a class. Polymorphism is the ability of an object to take on many forms. Inheritance is the mechanism of deriving a new class from an existing one.

• Java is a class-based, object-oriented language used for developing desktop, web, and mobile applications.

• An object is a real-world entity that has state and behavior. F...read more

Yes, knowledge in responsive view and Angular/React is important for a software engineer.

• Responsive design is crucial for creating user-friendly interfaces that work well on different devices.

• Angular and React are popular frameworks for building dynamic web applications.

• Knowledge of these technologies can help create efficient and scalable software solutions.