Hexagon Software Engineer Interview Questions and Answers for Experienced

Q1. Types of data structure and their time complexities
Ans. 
Data structures are used to organize and store data efficiently. Time complexity is the measure of efficiency.
• Arrays - O(1) for access, O(n) for search and insertion

• Linked Lists - O(n) for access, O(1) for insertion and deletion

• Stacks - O(1) for access, insertion and deletion

• Queues - O(1) for access, insertion and deletion

• Trees - O(log n) for access, insertion and deletion

• Hash Tables - O(1) for access, insertion and de
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Q2. Types of Binary Tree
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Binary trees are classified based on the number of children each node can have.
• Full binary tree: every node has either 0 or 2 children

• Complete binary tree: all levels except possibly the last are completely filled, and all nodes are as far left as possible

• Perfect binary tree: all internal nodes have two children and all leaf nodes are at the same level

• Balanced binary tree: the difference in height between the left and ...read more
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Q1. Based on DSA, OOPS
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Q1. Based on Projects in Resume
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Q1. Technical Discussion about earlier projects
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Q1. Salary Discussion
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Moderate level questions

Q1. OOPS,DBMS,SQL queries,Web Development essentials,GitHub
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Q1. Questions about your interests
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Q1. Questions like what is your dream company,will you re-locate,..etc
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Q1. What is polymorphism?
Ans. 
Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
• Polymorphism is a fundamental concept in object-oriented programming.

• It enables code reusability and flexibility.

• Polymorphism can be achieved through method overriding and method overloading.

• Example: A parent class Animal can have multiple child classes like Dog, Cat, and Bird. They can ...read more
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Q2. What is static polymorphism?
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Static polymorphism refers to the ability of a programming language to select the appropriate function or method at compile-time.
• Static polymorphism is achieved through function overloading or operator overloading.

• It allows different functions with the same name but different parameters to be called based on the arguments provided.

• The selection of the appropriate function is determined at compile-time, based on the sta...read more
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Q3. What is dynamic polymorphism?
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Dynamic polymorphism is the ability of an object to take on many forms based on the context it is used.
• It allows objects of different classes to be treated as objects of a common superclass.

• It is achieved through method overriding and virtual functions.

• Example: A superclass 'Animal' with subclasses 'Dog' and 'Cat'. Both can be treated as 'Animal' objects.
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Logical verbal non verbal question

Java object oriented language

Q1. Resume review + questionnaire on skill set mentioned in resume
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Q2. Python Data Types and main differences
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Python data types include int, float, str, list, tuple, dict, set. Main differences are mutability, ordering, and usage.
• Integers (int) are whole numbers, floats are numbers with decimal points.

• Strings (str) are sequences of characters enclosed in quotes.

• Lists are ordered, mutable collections of items. Tuples are ordered, immutable collections.

• Dictionaries (dict) are key-value pairs. Sets are unordered collections of un...read more
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Q3. API managements and CRUD
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Questions on automations, python and APIs

Q1. Difference between java and python?
Ans. 
Java is a statically typed language with a strong emphasis on object-oriented programming, while Python is dynamically typed with a focus on simplicity and readability.
• Java is statically typed, while Python is dynamically typed.

• Java is strongly typed, while Python is weakly typed.

• Java is compiled to bytecode and runs on the Java Virtual Machine (JVM), while Python is interpreted at runtime.

• Java has a strong emphasis on...read more
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Q2. Memory allocation java and python ?
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Q1. Mingodb queries
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