Vervebot Reactjs Developer Interview Questions and Answers

Q1. Tell me about ur self
Ans. 
I am a passionate React Js Frontend Developer with experience in building user-friendly and responsive web applications.
• Experienced in developing interactive user interfaces using React Js

• Proficient in HTML, CSS, and JavaScript

• Familiar with state management libraries like Redux

• Strong understanding of RESTful APIs and asynchronous programming

• Ability to work collaboratively in a team environment
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Q2. Topics like, hook, props, in react promise async...... In js
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Q1. Reverse a given string in such as your name you have to reverse it down
Ans. 
Reverse a given string by iterating through the characters and appending them in reverse order.
• Create a new empty string to store the reversed string.

• Iterate through the characters of the given string from the end to the beginning.

• Append each character to the new string to reverse the order.

• Return the reversed string as the output.
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Q2. Constructor parameterized, method overloading , call by value call by reference , sql query to find second max salary, joins
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1 Coding Questions with 15MCQ's related Java Script (Hacker Rank)

Q1. Questions Core Javascript Topics
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Q2. A Design Question on Image upload service.
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Q1. Give a url which re-directs to n websites till it gives 200. Print all the url's.
Ans. 
Use a loop to follow redirects until reaching a 200 status code and print all URLs.
• Start with the initial URL and make a request to it.

• Check the status code of the response, if it's 200 then print the URL.

• If the status code is a redirect (300-399), follow the redirect URL and repeat the process.

• Continue this process until a 200 status code is received.
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Q2. Core Javascript and Database related questions.
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Q1. This round was taken by CTO, Interview was around generic discussion on project and one puzzle question
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Q1. Create api's spring boot

Ans. 

Creating API's using Spring Boot framework for Java development

• Use @RestController annotation to define RESTful web services

• Define request mappings using @RequestMapping annotation

• Use @GetMapping, @PostMapping, @PutMapping, @DeleteMapping annotations for specific HTTP methods

• Use @RequestBody annotation to bind incoming HTTP request body to a Java object

• Use ResponseEntity to return custom HTTP status codes and headers

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