Actiance Interview Questions and Answers

Aptitude test

Current affairs

Q1. Puzzle , sql related questions
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If you are a fresher , then this is for you else almost no coding test for experienced candidates.

Q1. Javascript basics, Angular react general questions depends upon profile.
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Q1. They asked general questions related to some hectic situation faced in previous company / project..
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Q1. Data structure question asked
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General aptitude questions

Specific coding test based on your domain

Q1. Explain about the programming language you know
Ans. 
I am proficient in programming languages such as Java, Python, and C++.
• Experienced in Java for backend development

• Skilled in Python for data analysis and machine learning

• Knowledgeable in C++ for system programming
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Q1. Explain about the final year project that you have done
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Q1. What is your expected salary
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Coding test are just basic Array and linkedList question

Q1. Explain 4 pillar of oops
Ans. 
The 4 pillars of OOP are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components of an object, protecting its integrity.

• Abstraction hides complex implementation details and only shows the necessary features.

• Polymorphism allows objects of different classes to be treated as objects of a
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Q2. Internal working of Hashmap
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HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• Retrieving a value involves hashing the ...read more
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Q3. Crud operation implementation
Ans. 
Implementation of Create, Read, Update, and Delete operations in a software system.
• Use SQL queries for database operations

• Create separate functions for each operation

• Handle errors and exceptions properly

• Test thoroughly to ensure functionality

• Consider security measures to prevent unauthorized access
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Q1. Why are you chaning the organisation?
Ans. 
Seeking new challenges and opportunities for growth.
• Looking for a new environment to learn and develop new skills

• Interested in working on different projects and technologies

• Seeking better career advancement opportunities

• Wanting to work in a more collaborative team environment
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Q1. About the project. and asked what i did in project. how to create schema in pyspark. what is ADE. what are the difficulties i faced in project. what is spark submit command how we write sparksubmit command...read more
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Q2. No of occurrences of letter in a string.
Ans. 
Count occurrences of a letter in a string.
• Iterate through each character in the string and count occurrences of the specified letter.

• Use a hashmap to store the count of each letter.

• Handle both uppercase and lowercase letters to ensure accurate counting.
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Q1. Self introduction
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Q2. Project description
Ans. 
Developed a web application for tracking personal fitness goals and progress.
• Used React.js for front-end development

• Implemented RESTful APIs for data retrieval and storage

• Utilized MongoDB for database management
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Q1. Questions on project
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Q2. Any problems faced
Ans. 
Yes, faced challenges with debugging complex code and integrating third-party APIs.
• Debugging complex code with multiple dependencies

• Integrating third-party APIs with inconsistent documentation

• Resolving compatibility issues between different software components
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