UST BlueConch Technologies Angular Developer Interview Questions and Answers

Q1. Questions about OOPS includes inheritence, interface, abstract classes, access specifiers
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Q2. Coding question: given a vector, return a vector where each entry in the resultant vector is the product of the remaining elements in the given vector.
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Q3. Coding question: given a vector numbers, return the index of the vector which has the longest length palindrome
Ans. 
Return the index of the vector with the longest length palindrome
• Iterate through each string in the vector

• Check if the string is a palindrome

• Track the index of the longest palindrome string
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The coding questions were at Leetcode difficulty level and were derived from the Striver sheet.

Q1. BFS graph level
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Q2. Minimum flight distance . I was not shortlisted for interview.
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Q1. Explain microservices.
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Q2. OOPS
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It included aptitude, technical and coding questions

Q1. Questions on SQL(Joins)
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Q2. Questions on arrays, substrings
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Q1. Location preferred
Ans. 
Remote work preferred, open to occasional travel
• Remote work preferred

• Open to occasional travel

• Flexible with location
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Q2. Family background
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Q1. Sliding window based question
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Q1. Java, JS, SQL based questions
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Q1. Reasons to switch , motivation , salary discussion
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Q1. Asked linq question and answered correctly with little modification, still was not impressed
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Q2. Expections were little high.
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Q1. What is the inheritance?
Ans. 
Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can override or extend the functionality of the base class
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Q2. What are the types of joins in mysql
Ans. 
Types of joins in MySQL include inner join, left join, right join, and full join.
• Inner join: Returns rows when there is a match in both tables.

• Left join: Returns all rows from the left table and the matched rows from the right table.

• Right join: Returns all rows from the right table and the matched rows from the left table.

• Full join: Returns rows when there is a match in one of the tables.
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Q1. How to handle multiple api's
Ans. 
Use a centralized API gateway to manage and route requests to multiple APIs efficiently.
• Implement a centralized API gateway to handle incoming requests and route them to the appropriate API based on the endpoint.

• Utilize API management tools like Apigee, Kong, or AWS API Gateway to manage and monitor multiple APIs.

• Consider implementing a caching layer to improve performance and reduce the number of requests to external
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Q2. What does strstr function do?
Ans. 
strstr function searches for a substring within a string and returns a pointer to the first occurrence of the substring.
• Used in C programming language

• Syntax: char *strstr(const char *haystack, const char *needle)

• Example: char *str = strstr("hello world", "world")
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