Affine Senior Associate Interview Questions and Answers

Print a specific pattern using any programming language.

Q1. What is a class in Object-Oriented Programming (OOP)?
Ans. 
A class in OOP is a blueprint for creating objects, defining their properties and behaviors.
• Classes are templates for creating objects in OOP

• They define the properties (attributes) and behaviors (methods) of objects

• Objects are instances of classes, each with its own unique data

• Inheritance allows classes to inherit properties and behaviors from other classes

• Encapsulation ensures that the data is hidden and can only be a...read more
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Q2. What is the difference between an abstract class and an interface?
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and methods, while interface cannot have any implementation.

• A class can only extend one abstract class, but can implement multiple interfaces.

• Abstract classes are used to define common characteristics of subclasses, while interfaces are used to define contracts for...read more
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Q3. What is joining and creating an inner join query?
Ans. 
Joining is combining data from two or more tables based on a related column, while an inner join query retrieves only the matching records.
• Joining is used to combine data from multiple tables in a database.

• Inner join query retrieves only the records that have matching values in both tables.

• Syntax for inner join: SELECT columns FROM table1 INNER JOIN table2 ON table1.column = table2.column;

• Example: SELECT orders.order_i...read more
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Q1. Reverse a loop for a linked list
Ans. 
To reverse a loop for a linked list, iterate through the list and change the pointers to point in the opposite direction.
• Start by initializing three pointers: current, previous, and next.

• Iterate through the linked list, updating the pointers to reverse the direction of the links.

• Update the head of the linked list to point to the new first node after reversing the loop.
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Simply one can get through this if have a good grip solving rs Agrawal reasoning questions.

Q1. Regarding BSP and your work related questions Also deep dive into c took place.
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Q1. This was advance version of the second round and was given some problem to make pseudo code and then some test cases logics were asked Overall further deep dive into the first round
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Q1. Sort of clarification I was given Nothing else kinda managerial round type
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Q1. Oops concepts, core java
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Q2. Java 8 stream api and lambda
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Q1. Why should I hire u
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