Sharekhan Associate Software Developer Interview Questions and Answers

Test was for Web Development - React
75min test
3 Questions
1 Coding Question
2 Scenario based questions

Q1. React Optimization techniques
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Q2. React Advantages
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Q1. How to debug in production environment?
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Q1. Challenges faced during work and how you overcome?
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Q1. Why you choose Wells fargo over other offers?
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Q1. Solid principles
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Q2. OOPS concepts in c++
Ans. 
OOPS concepts in C++ include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: creating new classes based on existing classes, allowing for code reuse

• Polymorphism: ability for objects of different classes to be treated as objects of a common superclass

• Abstraction: hiding complex implementation details and sh
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Q3. Multi threading and its implementation
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Multi threading is a programming concept where multiple threads run concurrently within a single process.
• Multi threading allows for better utilization of CPU resources by running multiple tasks simultaneously.

• Threads share the same memory space, which can lead to synchronization issues if not handled properly.

• Examples of multi threading implementations include Java's Thread class, C#'s Task Parallel Library, and Python
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Q4. Diamond problem in c++
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Diamond problem occurs in multiple inheritance when a class inherits from two classes that have a common base class.
• Diamond problem can be resolved using virtual inheritance in C++.

• Virtual inheritance ensures that only one instance of the common base class is inherited by the derived class.

• Example: class A is inherited by classes B and C, then class D inherits from both B and C. Using virtual inheritance for class A re
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Q5. Types of inheritance and examples
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Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and multipath inheritance.
• Single inheritance: a class inherits from only one base class.

• Multiple inheritance: a class inherits from more than one base class.

• Multilevel inheritance: a class inherits from a class which in turn inherits from another class.

• Hierarchical inheritance: multiple classes inherit from a single base class.

• Hybrid inher...read more
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Q6. Runtime and compile time polymorphism
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Q1. Difference between View and materialized view and related follow up questions 2. Difference between Procedure and Function 3. Write a SQL query for print the last date of month . 4. Write a Procedure and...read more
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Q1. What is dependency injection
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Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing mock dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.
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Q2. What is state in react
Ans. 
State in React is a JavaScript object that stores data and determines how a component renders and behaves.
• State is mutable and can be updated using the setState() method

• State should be used for data that will change over time and affect the component's rendering

• State should not be modified directly, use setState() instead
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Q1. Spring boot questions were asked
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Q2. Sql questions were asked. .
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Dsa questions were asked , practice well

Q1. Dependency injection
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Q2. What are oops concepts
Ans. 
Object-oriented programming concepts that focus on data encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: ability of a class to inherit properties and behavior from another class

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

• Abstraction: hiding the complex implementation details
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Q1. Sort array and questions on project
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Easy 10 -12 coding based mcq type questions. 1 question had to write code

Q1. 1 graph question 1 dp question
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