Innowave It Infrastructures Interview Questions and Answers

Q1. Mostly on OOP's basic and some tricky questions related SOLID concepts
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Leet code medium level question

Q1. About Java Streams
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Q2. Restful API coding completion based on given file
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Q1. To check your attitude
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Q2. Given detailed about company and what project you are going to work on?
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Q1. Hashmap working
Ans. 
Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Hashmap uses a hashing function to map keys to indices in an array.

• It allows for constant time complexity O(1) for insertion, deletion, and retrieval operations.

• Example: HashMap<String, Integer> map = new HashMap<>(); map.put("key", 123); int value = map.get("key");
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Q2. Multithreading cases
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Q3. Scenario specific on how to handle multiple events on a single variable to have accurate result
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Q4. Database indexing
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Q5. Architecture level
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1st round- Quantitative Aptitude, English, Logical reasoning

2 coding questions
question based on string - medium level, question based on DP - hard level

System design round in written format

Q1. Technical + HR round Questions regarding your response to the system design round were asked. Questions related to projects mentioned in the resume were asked. I was also tested on DBMS and OOPS concepts ...read more
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