Grootan Technologies Flutter Developer Interview Questions and Answers

Q1. Day to day tasks in previous organisation?
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Q2. Questions about skills mentioned in your resume
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Q1. Introduce about yourself
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Q1. 7 apti questions with 4 coding questions
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Q1. Sort elements at even index of array
Ans. 
Sort elements at even index of array
• Iterate through the array and select elements at even indices

• Sort the selected elements

• Replace the original elements with the sorted ones
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Q1. Puzzles with coding question
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Logical and Analytical Reasoning

General Coding Test using any coding language of your choice

Q1. General Aptitude and coding question
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Q2. Puzzles and logical reasoning will be asked
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Q3. They may ask you to write code
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It has include logical ,reasoning question. Aptitude questions are include mcq type question.

Firstly introduce yourself then HR take the one subject then selected candidate discuss on that subject. Subject related talking positive and negative point. Then who candidate speak better these are select in next round.

3 coding questions of moderate difficult

Q1. Coding questions asked in coding round
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It had 2 programming questions and 30 aptitude questions
it

Q1. Introduce yourself, educational background
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Q2. What languages are you familiar with
Ans. 
I am familiar with several programming languages including Java, Python, and C++.
• Proficient in Java and Python

• Familiar with C++ and JavaScript

• Experience with SQL and HTML/CSS

• Comfortable with object-oriented programming and data structures

• Continuously learning and exploring new languages and technologies
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Six coding questions to be solved within an hour. The coding questions were standard aptitude based and did not include any complex topics like Dynamic Programming or trees in my case.

Q1. I had to solve a problem. Given an expression involving operators and operands with parentheses, convert it to postfix expression. I used the stack data structure.
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Q1. A puzzle question
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Online coding test having basic problems and some aptitude problem.

Q1. Interviewer will ask opps and 2 basic coding problem 2 aptitude problem if you mention any technology in resume then ask about technology and projects
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Q2. What is opps ?
Ans. 
OOPs stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.
• OOPs focuses on creating objects that contain both data and methods to manipulate that data.

• Encapsulation, inheritance, polymorphism, and abstraction are key principles of OOPs.

• Examples of OOPs languages include Java, C++, and Python.
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Q3. What is singleton class ?
Ans. 
A singleton class is a class that can only have one instance created and provides a global point of access to that instance.
• Singleton classes are often used for logging, caching, database connections, and thread pools.

• They typically have a private constructor to prevent instantiation from other classes.

• They provide a static method to access the single instance, which is created if it doesn't exist yet.
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