Red Hat Intern Interview Questions and Answers

Questions were asked which were difficult and asked on graphs

Q1. About the OOPs concept
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Q2. Insertion a node in linkedlist
Ans. 
To insert a node in a linked list, update pointers of previous and new nodes.
• Create a new node with the data to be inserted

• Update the next pointer of the new node to point to the next node of the current node

• Update the next pointer of the current node to point to the new node
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Q1. Project was asked
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Q2. Oops concept and implementation
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Oops concept refers to Object-Oriented Programming principles and their implementation in code.
• Oops concepts include inheritance, polymorphism, encapsulation, and abstraction.

• Inheritance allows a class to inherit properties and behaviors from another class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation hides the internal state of an object and only exposes necessary methods.

• A...read more
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60 mins - reasoning and problem solving

C / JAVA /PYTHON - LEET CODE

Q1. BASIC CONCEPTS AND ACADEMIC PROJECT
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Q2. BEHAVIORAL QUESTIONS
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Movie Review App that uses a public API to fetch the movie details and present it in the UI.

Reversing the Linked list

Q1. Project explanation
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Coding problem statement

Q1. 1. How many bit in 1 byte? 2. Questions related to Inheritance, encapsulation, 3. Interface
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Hackerrank coding test, 4 questions, think I got lucky as 3 of them were straightforward array questions and last one was a min-heap question.

Q1. Upcoming technical question,, scheduled for this week
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Q2. Currently doing research on what other people's experiences are for Atlassian
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Coding questions regarding DSA

General aptitude and English test

Q1. They asked about DSA problems
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Q2. They asked about C++
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Q3. Common questions like

Ans. 

The question is about the common header file in C++.

• The header file is used for input/output operations in C++.

• It provides classes like cin and cout for reading and writing data.

• It also includes classes for file input/output operations like ifstream and ofstream.

• The header file can be included in a C++ program using the #include directive.

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