Coforge Technical Analyst Interview Questions, Process, and Tips

Q1. Create Custom hook to fetch data
Ans. 
Custom hook to fetch data in React
• Create a custom hook using the 'useEffect' and 'useState' hooks

• Use 'fetch' or any other method to fetch data from an API

• Return the fetched data from the custom hook
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Q2. Javascript concept and output
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Q1. React hooks and lifecycle
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Q2. Custom hook and some tricky output question
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Good and confident level increaser

Write a program to convert digits in to numbers

Q1. Scenario of data migration
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Q1. OOPS concepts with examples
Ans. 
OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: class Dog extends Animal.

• Encapsulation: Bundles data and methods that operate on the data into a single unit. Example: private variables with public methods.

• Polymorphism: Allows objects of different classes to be treated as objects of a common supercl...read more
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Q2. Explain NF in sql & ACID concepts
Ans. 
NF in SQL refers to Normal Form which is used to eliminate redundancy in database design. ACID concepts ensure data integrity in transactions.
• NF in SQL stands for Normal Form and is used to organize data in a database to eliminate redundancy and dependency.

• There are different levels of NF such as 1NF, 2NF, 3NF, and BCNF, each with specific rules to follow.

• ACID concepts (Atomicity, Consistency, Isolation, Durability) en...read more
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Q1. What are the python Class lifestyle method
Ans. 
Python class lifestyle methods are special methods that are automatically called at different points in the life cycle of a class object.
• Constructor method (__init__): Called when a new instance of the class is created.

• Destructor method (__del__): Called when an instance of the class is about to be destroyed.

• String representation method (__str__): Called when the object needs to be represented as a string.

• Getter and se...read more
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