LeewayHertz Technologies Interview Questions and Answers

Responsive design adapts to different screen sizes, while adaptive design uses predefined layouts for specific screen sizes.

• Responsive design uses fluid grids and media queries to adjust layout based on screen size.

• Adaptive design uses multiple fixed layout sizes designed for specific screen sizes.

• Responsive design provides a more flexible and seamless user experience across various devices.

• Adaptive design may offer be...read more

Static websites display the same content to all users, while dynamic websites can change content based on user interactions.

• Static websites are built using only HTML and CSS, with no server-side processing involved.

• Dynamic websites use server-side scripting languages like PHP, Python, or Ruby to generate content on the fly.

• Static websites are faster to load as they do not require server processing for each request.

• Dyna...read more

JavaScript is a high-level, interpreted programming language used for creating interactive websites and web applications.

• JavaScript is a client-side scripting language that runs in the browser.

• It is used to add interactivity, animations, and dynamic content to websites.

• JavaScript can also be used on the server-side with Node.js.

• Commonly used for form validation, DOM manipulation, and AJAX requests.

• Example: document.get

React JS is a JavaScript library for building user interfaces.

• React JS allows developers to create reusable UI components.

• It uses a virtual DOM for better performance by updating only the necessary parts of the actual DOM.

• React JS follows a unidirectional data flow, making it easier to manage state and props.

• It is commonly used in single-page applications and for building interactive web interfaces.

Promise in JavaScript 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 using .then() to handle success and .catch() to handle errors.

• Example: const myPromise = new Promise((resolve, reject) => { ... });

Factorial of a number can be printed with or without loop in C using datatypes. Polymorphism is not related to this.

• Factorial of a number can be calculated using a loop or recursion

• Datatypes like int, long long can be used to store factorial

• Polymorphism is not related to factorial calculation

The question covers topics related to hash tables, constructors, and string reversal in Python.

• Hash tables are data structures that allow for efficient lookup, insertion, and deletion of key-value pairs.

• Constructors are special methods that are called when an object is created and are used to initialize its attributes.

• In Python, strings can be reversed using slicing or the built-in reversed() function.

Questions related to software development and computer science concepts.

• Implementation of stack using pointers involves creating a struct with a pointer to the top of the stack and using malloc to allocate memory for each new node.

• DBMS stands for Database Management System and is used to manage and organize data in a database.

• SQL queries are used to retrieve and manipulate data in a database.

• DSA stands for Data Structu...read more