Cybage Senior Software Engineer Interview Questions and Answers

Q1. Why do you think React is better than Angular
Ans. 
React is better than Angular due to its flexibility, performance, and community support.
• React allows for more flexibility in terms of architecture and state management compared to Angular.

• React's virtual DOM leads to better performance by only updating the necessary components, while Angular's two-way data binding can cause performance issues.

• React has a larger and more active community, providing better support and a ...read more
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Q1. How do you learn and get in pace when deployed in a new project?
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Thet start from basics and gradually come to advance frameworks.

Q1. Exact questions i don't remember, but they start from oops concept in java, Multithreading, spring, spring boot, databases mysql, mongodb on which database you work in previous organisation,
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Q1. What is need of spring boot What is actuator, query param, http methods
Ans. 
Spring Boot is a framework that simplifies the development of Java applications by providing a set of tools and conventions.
• Spring Boot eliminates the need for complex configuration by providing defaults for most settings.

• Actuator is a set of tools provided by Spring Boot for monitoring and managing the application.

• Query param is used to pass parameters in the URL of an HTTP request.

• HTTP methods like GET, POST, PUT, DE...read more
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Q1. Programming question
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Q1. Initial discussion with HR.
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Q1. Oops, c# concept , angular,MVC5,SQL queries.
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Q1. Project scenarios, .net core,angular,web api,SQL server,design patterns, SOLID. C# code .
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Q1. Introduction, salary discussion.
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Q1. Technical questions wrt technology
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Q1. Basic hr questions salary discussion
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Q1. Oops, SOLID Principles, Design patterns.
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Q2. What is Delegate and what are the types?
Ans. 
Delegate is a type that represents references to methods with a specific parameter list and return type.
• Delegates are similar to function pointers in C++.

• They are used to achieve loose coupling and separation of concerns.

• There are two types of delegates: singlecast and multicast.

• Singlecast delegates can hold references to a single method.

• Multicast delegates can hold references to multiple methods.

• Delegates are commonly...read more
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Q3. What is custom middleware in .net core
Ans. 
Custom middleware in .NET Core is a piece of code that sits between the request and response pipeline to perform custom operations.
• Custom middleware can be used to add custom headers, logging, authentication, and authorization to the request pipeline.

• Middleware can be added to the pipeline using the Use() method in the Startup.cs file.

• Middleware can be created using classes that implement the IMiddleware interface or b...read more
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Q4. What is difference between abstract class and interface.
Ans. 
Abstract class can have implementation while interface only has method signatures.
• Abstract class can have constructors while interface cannot.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract class can have non-public members while interface only has public members.

• Abstract class is used for creating a base class while interface is used for implementing a contract.

• Example o...read more
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Q5. Difference Between temp table and table variable
Ans. 
Temp table is stored in tempdb and table variable is stored in memory.
• Temp table is created using CREATE TABLE statement and can be accessed by multiple sessions.

• Table variable is created using DECLARE statement and can only be accessed within the scope of the batch or procedure.

• Temp table can have indexes and statistics while table variable cannot.

• Temp table is useful for large data sets while table variable is useful...read more
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Q6. Queries using joins in SQL
Ans. 
Joins in SQL are used to combine data from two or more tables based on a related column.
• Joins are used to retrieve data from multiple tables in a single query.

• Common types of joins include inner join, left join, right join, and full outer join.

• Join conditions are specified using the ON keyword and can include multiple conditions.

• Aliases can be used to simplify the syntax of join queries.

• Joins can be nested to combine d...read more
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