Oil And Natural Gas Corporation Front end Developer Interview Questions and Answers

There were 20 MCQ and 2 coding questions related to dsa

We were given a topic and we're divided in team of 6 and 3 members from each team were selected for next round

Normal aptitude test containing behavioural, mathematical, English questions

Oopc, dbms, sql, se concepts were there with few os, dsa and got related questions

Q1. Go through your resume and question about project backend functionality
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Q2. Code asked for backend application developed by me which was there in resume
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Q1. Behavioural questions were asked
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Basic two coding questions will be and also apptitude questions also included.

Q1. What is the difference between virtual function and friend function
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Q2. Explain your projects
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Based on cs subjects, DS Algo and Aptitude

Q1. See yourself in 5 years
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Q2. About teamwork and leadership qualities
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Q3. Strength and weaknesses
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Q4. Long term vision of your life
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Q1. Basic c# threading
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Q1. STAR pattern related question
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Q1. What are deecorators in Python
Ans. 
Decorators in Python are functions that modify the behavior of other functions or methods.
• Decorators are denoted by the @ symbol followed by the decorator function name.

• They are commonly used for logging, authentication, and memoization.

• Example: @staticmethod, @classmethod, @property
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Q2. If the object is defined with "const" keyword, then in future can it be modified?
Ans. 
No, if an object is defined with 'const' keyword, it cannot be modified in the future.
• Objects defined with 'const' keyword are read-only and cannot be reassigned.

• Properties of a 'const' object can still be modified, but the object itself cannot be reassigned.

• Example: const obj = { key: 'value' }; obj.key = 'new value'; // Valid, but obj = { newKey: 'newValue' }; // Invalid
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30 technical questions

Q1. Technical process
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Q2. What are oops concept
Ans. 
Object-oriented programming concepts that focus on objects and classes.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.
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Q1. Oops questions Database SQL Logic building along with case study
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