Delhivery Interview Questions and Answers

Agile is iterative and flexible, while waterfall is sequential and rigid.

• Agile involves continuous collaboration and adaptation

• Waterfall follows a linear, step-by-step approach

• Agile is better suited for projects with changing requirements

• Waterfall is more suitable for projects with well-defined requirements

BRD, FRD, and SRS are different types of documents used in the software development process.

• BRD stands for Business Requirements Document and outlines the business objectives and goals of a project.

• FRD stands for Functional Requirements Document and details the functionalities and features of a system.

• SRS stands for Software Requirements Specification and combines both BRD and FRD into a comprehensive document for developers to follow.

• BRD focuses on the 'what' of a project, F...read more

Stylesheets are loaded in a specific order based on their location and type.

• Stylesheets can be loaded externally using tag in HTML.

• Inline styles can be added using the style attribute in HTML elements.

• Styles can also be included within the

Program to mimic parseInt function in JavaScript

• Create a function that takes a string as input

• Iterate through each character in the string and convert it to a number using ASCII values

• Handle negative numbers and non-numeric characters appropriately

• Return the final parsed integer

Abstraction focuses on hiding the implementation details while encapsulation bundles the data and methods into a single unit.

• Abstraction allows us to focus on the essential features of an object while hiding the unnecessary details.

• Encapsulation helps in bundling the data (attributes) and methods (functions) that operate on the data into a single unit.

• Abstraction is achieved through abstract classes and interfaces in object-oriented programming.

• Encapsulation ensures data secu...read more

A promise is an object representing the eventual completion or failure of an asynchronous operation.

• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained together using .then() method.

• Example: Fetch API returns a promise when making an HTTP request.

My two strengths are problem-solving and attention to detail.

• Strong problem-solving skills help me tackle complex issues efficiently

• Attention to detail ensures high-quality work and prevents errors

• Example: I once debugged a complex code issue by carefully analyzing each line of code

• Example: I meticulously reviewed a website design to ensure pixel-perfect accuracy