Fourkites Software Development Engineer Intern Interview Questions and Answers for Freshers

Q1. Basics Oops concepts and SQL queries along with currently working projects stacks
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Q1. More in-depth technical questions use of reflections etc
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Q1. Usual HR interviews company values etc
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Low level Design Problem in Java

Q1. Data Structures - Graph Problem DFS
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System Design with few details

Q1. They asked to design a database table
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Q1. Describe Life cycle in react
Ans. 
React has three main phases in its lifecycle: mounting, updating, and unmounting.
• Mounting: when a component is created and inserted into the DOM

• Updating: when a component is updated due to changes in props or state

• Unmounting: when a component is removed from the DOM

• Lifecycle methods can be used to perform actions at each phase, such as componentDidMount() or componentWillUnmount()

• React also has error handling methods,
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Q2. Explain strict mode in javascript and it's use
Ans. 
Strict mode is a way to write secure and optimized JavaScript code.
• Enables catching of silent errors

• Disallows duplicate property names or parameters

• Prevents use of undeclared variables

• Makes `eval()` safer to use

• Throws errors on invalid usage of `this` keyword
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CURD operations along with implementation of a mock UI

Q1. Tell about Oops concepts
Ans. 
OOPs concepts are fundamental principles in object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

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

• Abstraction: Hiding the complex imple...read more
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Q1. Will ask coding related
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Q1. What is Expected salary
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Q1. More about API automation
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Q1. How do you measure success at work?
Ans. 
Success at work is measured by achieving goals, delivering high-quality work, and receiving recognition.
• Achieving goals set by the team or organization

• Delivering high-quality work that meets or exceeds expectations

• Receiving recognition from colleagues, managers, or clients

• Meeting deadlines and completing tasks efficiently

• Contributing to the overall success of the team or project
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Q2. How many programming languages do you know?
Ans. 
I know multiple programming languages.
• I am proficient in Java, Python, and C++.

• I have experience with web development languages such as HTML, CSS, and JavaScript.

• I am familiar with scripting languages like Bash and PowerShell.

• I have worked with database query languages like SQL.

• I have knowledge of mobile app development languages like Swift and Kotlin.
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