Congruent Solutions Interview Questions, Process, and Tips

Q1. Explain OOPS with example
Ans. 
OOPS stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• OOPS focuses on creating objects that contain both data and methods to manipulate that data.

• Encapsulation, inheritance, and polymorphism are key principles of OOPS.

• Example: In a car simulation program, a 'Car' object can have properties like 'color' and 'speed', and methods like 'accelerate' and 'brake'.
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Q2. What is microservices and intercommunication btw various microservices with current project
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Microservices are a software architecture design where applications are broken down into smaller, independent services that communicate with each other.
• Microservices are small, independent services that focus on specific business functions.

• Each microservice can be developed, deployed, and scaled independently.

• Intercommunication between microservices is typically done through APIs or messaging queues.

• Examples of interco...read more
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Q3. Gave a coding question to solve (reverse a string with many words in the string)
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Q1. Solid principles
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Q2. How Dependency injection is configured in the project
Ans. 
Dependency injection is configured using a framework like Spring in Java projects.
• Dependency injection is configured using annotations like @Autowired in Spring framework.

• Beans are defined in configuration files like applicationContext.xml or using Java configuration classes.

• Dependencies are injected into classes at runtime by the framework.

• Constructor injection, setter injection, and field injection are common ways to
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Q3. CQRS architecture with .Net Mediator pattern
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CQRS architecture separates read and write operations using Mediator pattern in .Net
• CQRS stands for Command Query Responsibility Segregation

• Mediator pattern helps in decoupling components by introducing a mediator object

• .Net MediatR library is commonly used for implementing Mediator pattern in CQRS architecture
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Q4. Custom middlewares
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Q5. Difference btw object and dynamic
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Object is a static entity with predefined structure, while dynamic can change at runtime.
• Object is a class or data structure with fixed properties and methods

• Dynamic can change its properties or behavior during runtime

• Example: Object - Car class with properties like color, model. Dynamic - User input changing the color of a car object
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Q6. Difference btw constant and readonly keyword
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Constant keyword is used for compile-time constants, while readonly keyword is used for runtime constants.
• Constant keyword is used for values that are known at compile time and cannot be changed.

• Readonly keyword is used for values that are known at runtime and cannot be changed after initialization.

• Constants are implicitly static, while readonly fields are not.

• Constants are defined at the class level, while readonly fi
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Q7. What ORM is used in current project
Ans. 
Entity Framework is used as the ORM in the current project.
• Entity Framework is a popular ORM framework for .NET applications

• It provides a way to work with databases using .NET objects

• Supports LINQ queries for database operations
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Q1. Negotiation of Salary (My expectation and their budget discussion)
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Q1. Oops concepts and basic c# questions
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Q2. SQL program with joins
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SQL program with joins
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Number flow and memory management just they give a flowchart of arithmetic operation you have follow and find the final value after completing the circuit.

Q1. About SQL QUERIS AND FUNCTIONS
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Q2. WHAT IS CROSS JOIN?
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Q3. HOW TO GET ELH FROM DELHI STRING?
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Q4. TYPES OF JOIN IN SQL?
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Q1. ABOUT ME AND FAMILY BACKGROUND?
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Q2. WHAT IS HARDWORKIG ACCORDING TO YOU?
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Q3. WHAT PROBLEM SOLVING CASE YOU HAVE ENCOUNTERED?
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Q1. Questions from OOPS
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Q2. Questions about SQL queries
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