Cigniti Technologies Technical Lead Interview Questions and Answers

Questions about java concurrency framework, java 8 and 11 features, Code chef coding problem

Q1. Discussion about current project architecture
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Q2. Microservices and cloud foundry
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Q1. React Life cycle methods
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Q2. Machine coding with crypto price api
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Using a crypto price API to fetch and display real-time cryptocurrency prices in a machine coding project.
• Utilize a crypto price API to fetch real-time cryptocurrency prices

• Implement error handling for API requests

• Display the fetched prices in a user-friendly format
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Q1. Mix of coding, theory and design questions
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Q1. Solid principle implemantion in c#
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Solid principles are a set of design principles that help make software more maintainable, flexible, and scalable.
• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be replaceable with objects of its subclasses wi...read more
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Q2. Write a code for Entity framework DB connection
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Code snippet for Entity Framework DB connection
• Install Entity Framework NuGet package

• Create a DbContext class

• Define DbSet properties for each entity

• Configure connection string in app.config/web.config

• Use DbContext to interact with the database
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Q3. Get 3 rd highest salary
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To get the 3rd highest salary, we can use a SQL query with the 'LIMIT' and 'OFFSET' keywords.
• Use a SQL query with 'ORDER BY salary DESC' to sort salaries in descending order.

• Use 'LIMIT 1 OFFSET 2' to skip the first two highest salaries and get the 3rd highest salary.

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 2;
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Q4. Why we using interface in C#
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Interfaces in C# provide a way to define a contract for classes to implement, promoting code reusability and flexibility.
• Interfaces allow for multiple inheritance in C# by allowing a class to implement multiple interfaces.

• Interfaces help in achieving loose coupling between classes, making the code more maintainable and testable.

• Interfaces are used to define common behavior that multiple classes can share, promoting cod...read more
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Q1. Why you want to change the company
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Q1. Work experience
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Hackerrank test with combination of MCQ and java program coding.

Q1. L1 technical and L2 client technical rounds. Asked questions from core java, spring boot, micro service and some java coding questions.
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Q1. Basic questions on personal details and overview about company and salary discussion.
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