Promatics Technologies Interview Questions, Process, and Tips

They asked HTML CSS advance javascript and react questions

User management system in react

Q1. What is node js express js and normal ds question based on javascipt
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Q2. What is asynchorneion
Ans. 
Asynchrony is the ability of a system to handle multiple tasks concurrently without blocking the main thread.
• Asynchrony allows tasks to run independently of each other, improving performance and responsiveness.

• Node.js uses an event-driven, non-blocking I/O model to handle asynchronous operations.

• Examples of asynchronous operations in Node.js include reading files, making network requests, and executing database queries
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Q3. What is spilt methode
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The split() method is used to split a string into an array of substrings based on a specified separator.
• The split() method takes a separator as an argument, which can be a string or a regular expression.

• The method returns an array of substrings created by splitting the original string at each occurrence of the separator.

• Example: 'hello world'.split(' ') will return ['hello', 'world']
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Q4. What is deep copy
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Deep copy is a copy of an object that duplicates all of its properties and nested objects, creating a new independent copy.
• Deep copy creates a new object with all properties and nested objects copied.

• Changes made to the original object do not affect the deep copy.

• Deep copy is often used when you need to modify an object without affecting the original.
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Q5. What is diff bw == and===
Ans. 
The '==' operator checks for equality, while the '===' operator checks for strict equality (including data type).
• The '==' operator performs type coercion before comparing two values.

• The '===' operator does not perform type coercion and compares both value and data type.

• Example: 1 == '1' will return true, but 1 === '1' will return false.
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Java basics questions. Some patterns to print and oops concepts

Q1. Introduction and why you join software industry
Ans. 
I joined the software industry because of my passion for problem-solving and creating innovative solutions.
• Passion for problem-solving

• Interest in technology and innovation

• Opportunity to create impactful solutions

• Love for coding and programming

• Desire to be part of a fast-paced and dynamic industry
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Q2. What is your salary expectation
Ans. 
I expect a competitive salary based on my skills, experience, and the market rate for software developers.
• Consider the average salary range for software developers in your location

• Research the salary range offered by similar companies in the industry

• Factor in your years of experience and any specialized skills you possess

• Be prepared to negotiate and discuss benefits in addition to salary

• Example: I expect a salary in th
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