ffreedom app Junior Engineer Interview Questions and Answers

Q1. What is AI ?
Ans. 
AI stands for Artificial Intelligence, which is the simulation of human intelligence processes by machines, especially computer systems.
• AI involves the development of algorithms that can perform tasks that typically require human intelligence.

• Examples of AI include speech recognition, image recognition, natural language processing, and autonomous vehicles.

• AI can be categorized into narrow AI (focused on a specific task...read more
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Q2. Tell me about machine learning
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Machine learning is a branch of artificial intelligence that involves developing algorithms and models that can learn from and make predictions or decisions based on data.
• Machine learning uses algorithms to analyze data, learn from it, and make predictions or decisions.

• It is used in various fields such as healthcare, finance, marketing, and more.

• Examples of machine learning applications include recommendation systems, ...read more
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Hard to learn what they wanted

Q1. What is your greatest weakness
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Q2. How will you add value to our team
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Stack, Linked list, Algorithms, Hashmap , Search

Q1. Find all possible permutations of a string
Ans. 
Permutations of a string are all possible rearrangements of its characters.
• Use recursion to generate all possible permutations

• Swap characters at each position to generate different permutations

• Store each permutation in an array of strings
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Q1. Seleium java sdet qa
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Q2. Qa wuestions for automation
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QA automation questions focus on testing processes, tools, and frameworks used in automated testing.
• Explain the difference between unit testing and integration testing

• How do you handle dynamic elements in automated tests?

• Discuss the benefits of using a test automation framework

• What are some common challenges faced in automated testing?

• How do you ensure test coverage in automated testing?
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Q1. Favorite bug? time you had to resolve conflict with manager.
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Reverse linked list. followup for optimized way.

Q1. What is an API?
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An API (Application Programming Interface) is a set of rules and protocols that allows different software applications to communicate with each other.
• APIs define the methods and data formats that applications can use to request and exchange information.

• They allow developers to access the functionality of a software application or service without needing to understand its internal workings.

• Examples of APIs include Googl...read more
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Q2. What is hashmap?
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HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• HashMap is part of the Java Collections framework.

• It uses hashing to store key-value pairs in an array.

• It allows for quick retrieval of values based on keys.

• Example: HashMap map = new HashMap<>();
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Basics maths and reasoning

Q1. What is your experience with writing test cases?
Ans. 
I have extensive experience writing test cases for various software applications.
• I have written test cases for both manual and automated testing

• I ensure test cases cover all possible scenarios and edge cases

• I have experience writing test cases for regression testing and new feature testing

• I document test cases clearly with steps, expected results, and actual results
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Q2. Some scenarios writing
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Python Data Structure

Basic Maths Verbal Data Interpretation

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