Nuware Systems DOT NET Developer Interview Questions and Answers

Q1. What is HashMap?
Ans. 
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
• HashMap allows quick access to values based on their keys

• Keys must be unique and values can be duplicated

• HashMap is not thread-safe and requires synchronization for concurrent access

• Java's HashMap implementation uses hashing to distribute keys across buckets
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Q2. It’s a collection framework.
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It was done on hackerrank the first question was related to array and second was on linked list and last was on sql

Q1. Oops concept stack program SQL basics
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Q1. Normal question related to me and job
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They asked some general Quantitative and logical questions and code snippets.

Q1. String Reverse and Two Sum
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Q2. Related to my projects and Tech Stacks
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Q1. This is the Second technical round. The interviewer asked about everything from my project.
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Q2. Asked some sql queries like joins and set operation
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Q1. AWS basic questions were asked
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Q2. MongoDB, MySQL basic questions were asked
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Spring boot java 30 min

Java angular spring boot one hour

Q1. 30 min salary negotiations
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2 coding question, 20 aptitude questions and english questions in 90 minutes

Q1. Closures, hostings, react js, redux, hooks basic
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Q2. Html5, css3, basic javascript stuff
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Aptitude test

Current affairs

Q1. Puzzle , sql related questions
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