Novac Technology Solutions Senior Software Engineer Interview Questions and Answers

Q1. Reverse the linked list.
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Q1. Internel working of Hashmap
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Q1. Salary Discussion
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Q1. String Question based on hashmap
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Q2. Palindorme -Reverse a string
Ans. 
Reverse a string to check if it is a palindrome.
• Create a function that takes a string as input

• Reverse the string using built-in functions or manually

• Compare the reversed string with the original string to check if it is a palindrome
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Q1. Basic Personal Questions, salary expectations
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Q2. Agile, docker,kunernetes
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DSA round leetcode style question

Q1. Design + Coding round for rate limiter
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Q1. Design zepto delivery system .
Ans. 
Design a zepto delivery system for efficient and fast delivery of small packages.
• Utilize drones for quick and efficient delivery

• Implement a centralized hub for package sorting and distribution

• Use GPS tracking for real-time package monitoring

• Optimize routes for faster delivery times

• Ensure secure and reliable delivery process
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Q1. Java 8 and related programming questions springboot microservices details about project
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Q2. Kafka questions and use case
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Q3. API springboot application development
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Q4. Ci cd and cloud
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Q1. Hr related question
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Q1. Solid principals
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Q2. Difference between pure and impure pipes
Ans. 
Pure pipes do not have any side effects and always return the same output for the same input, while impure pipes can have side effects and may not return the same output for the same input.
• Pure pipes are stateless and deterministic.

• Impure pipes can have side effects like modifying global variables or making network requests.

• Examples of pure pipes include filters in Angular, while examples of impure pipes include async
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Q1. Palindrome check for strings
Ans. 
Check if a string is a palindrome
• Iterate through each string in the array

• For each string, compare characters from start and end to check if it's a palindrome

• Return true if all strings are palindromes, false otherwise
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Q2. Basic java programming questions
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Q1. Selenium test automation frameworks
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Q2. Different types of automation frameworks used
Ans. 
Various automation frameworks like keyword-driven, data-driven, hybrid, and behavior-driven are commonly used in software testing.
• Keyword-driven framework: Tests are written using keywords and actions.

• Data-driven framework: Tests are driven by data sets.

• Hybrid framework: Combination of multiple frameworks.

• Behavior-driven framework: Focuses on behavior of the system.

• Page Object Model (POM): Organizes code by separating
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