Odessa Software Developer Interview Questions and Answers

Q1. String based questions in java
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Q2. What are the fundamental concepts of Java?
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Java based questions and few DSA questions

Q1. Questions were completely based on data structures and algorithm
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Q2. SQL based questions were also asked
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Q1. What is Oops concept?
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Oops concept stands for Object-Oriented Programming concepts which include principles like inheritance, encapsulation, polymorphism, and abstraction.
• Oops concept is a programming paradigm that focuses on objects and classes.

• It includes principles like inheritance, where a class can inherit properties and behaviors from another class.

• Encapsulation is another principle where data is wrapped within a class and can only be...read more
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Q1. DSA Graph question in any language
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Q2. Sum of sub array
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The problem involves finding the sum of all possible subarrays in an array of integers.
• Use nested loops to iterate through all possible subarrays

• Keep track of the sum of each subarray as you iterate

• Consider edge cases like empty array or negative numbers
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Q1. Internal working of Hash Map
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Hash Map is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
• Hash Map uses a hash function to determine the index of the key-value pair in the underlying array.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.

• Hash Map typically has a load factor threshold to determine whe...read more
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Good round moderate coding questions were asked

Q1. Coding question based on trees
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Q2. Coding question based on math/binary search
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The platform is hackerrank and they asked arrays and string topics and the duration is 1hr

Q1. What is the difference between http and https
Ans. 
HTTP is unsecured while HTTPS is secured with SSL/TLS encryption.
• HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTP data is transmitted in plain text, while HTTPS data is encrypted using SSL/TLS.

• HTTPS provides authentication, integrity, and confidentiality of data exchanged between a client and a server.

• W...read more
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Q2. Asked some sql querys
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Q3. Asked some sql joins
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Q4. Fully based on user resume
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Q1. They asked general questions like family background
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