Navitas Life Sciences Software Trainee Interview Questions and Answers

Q1. Anagram of two strings in java
Ans. 
Java program to check if two strings are anagrams
• Create a function that takes two strings as input

• Convert both strings to character arrays and sort them

• Check if the sorted arrays are equal to determine if they are anagrams
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Q2. Insert and select query in MySQL
Ans. 
Insert and select data in MySQL using SQL queries
• Use INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); to insert data

• Use SELECT * FROM table_name; to select all data from a table

• Use SELECT column1, column2 FROM table_name WHERE condition; to select specific data based on a condition
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Q3. Get and Post APIs in rest
Ans. 
GET and POST are HTTP methods used in REST APIs for retrieving and sending data.
• GET method is used to retrieve data from a server

• POST method is used to send data to a server

• GET requests are idempotent, while POST requests are not

• GET requests should only be used for retrieving data, not for modifying data

• Example: GET request to retrieve a list of users - GET /users

• Example: POST request to create a new user - POST /users
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It was good test with mathematical learning

Q1. What is azure PAAS , IAAS , SAAS ?
Ans. 
Azure PAAS, IAAS, and SAAS are different cloud service models provided by Microsoft Azure.
• PAAS (Platform as a Service) - Provides a platform for developers to build, deploy, and manage applications without worrying about infrastructure.

• IAAS (Infrastructure as a Service) - Provides virtualized computing resources over the internet, such as virtual machines, storage, and networking.

• SAAS (Software as a Service) - Delivers...read more
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Q2. What is Dependency Injection ? How is dependency Injection achieved ?
Ans. 
Dependency Injection is a design pattern in which a class receives its dependencies from external sources rather than creating them itself.
• Dependency Injection helps in achieving loose coupling between classes.

• It allows for easier testing and maintenance of code.

• There are three common ways to achieve Dependency Injection: Constructor Injection, Setter Injection, and Interface Injection.
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Q3. Difference between dotnet 6 and dotnet 5
Ans. 
Dotnet 6 is the latest version with new features and improvements over Dotnet 5.
• Dotnet 6 has improved performance and reduced memory usage compared to Dotnet 5.

• Dotnet 6 introduces Hot Reload feature for faster development iteration.

• Dotnet 6 includes support for MAUI (Multi-platform App UI) for building cross-platform apps.

• Dotnet 6 has enhanced support for cloud-native applications and microservices.

• Dotnet 6 includes im...read more
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Q4. What is azure functions ? what is the difference between azure functions and logic apps
Ans. 
Azure Functions is a serverless compute service that allows you to run event-triggered code without managing infrastructure.
• Azure Functions is used for running small pieces of code or 'functions' in the cloud.

• It is event-driven and can be triggered by various Azure services or external sources.

• Azure Logic Apps is a workflow automation tool that allows you to automate business processes by connecting various services an...read more
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Q1. Explain the use of interfaces . when will you use interface vs when will you use abstract class ?
Ans. 
Interfaces define a contract for classes to implement, while abstract classes provide partial implementation.
• Use interfaces when you want to define a contract that multiple classes can implement.

• Use abstract classes when you want to provide some common functionality to multiple classes.

• Interfaces support multiple inheritance, while classes can only inherit from one abstract class.

• Interfaces are used for loose coupling ...read more
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Q2. Explain Solid principles
Ans. 
Solid principles are a set of five design principles for writing clean, maintainable, and scalable code.
• 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 without affe...read more
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Q3. Test driven Development , azure Deployment , mocking test in dot net applications
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Q4. Explain your own use of Logic apps and service bus .
Ans. 
I use Logic Apps for automating workflows and Service Bus for reliable messaging.
• I use Logic Apps to create automated workflows for integrating various systems and services.

• I leverage Service Bus for reliable messaging between different components of a distributed system.

• For example, I have used Logic Apps to automate data transfers between CRM systems and databases, and Service Bus for decoupling microservices in a cl
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There were two question on DSA

Coding Test- Average standard questions

Q1. API related questions
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Q2. Authentication/Authorization questions
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Q1. Performance improvement related questions
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Q2. SQL query given
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Q1. Normal HR discussion
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About full stack, and personal development

Coding and skill based test

Q1. Explain Behaviour subject in Angular.
Ans. 
Behaviour subject in Angular is a special type of subject that allows both subscribing and emitting values.
• BehaviourSubject is a type of subject in RxJS library.

• It has an initial value that will be emitted to new subscribers.

• It stores the latest value and emits it immediately to new subscribers.

• Example: const subject = new BehaviorSubject('initial value');

• Example: subject.next('new value');
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Q2. Explain Design Principles
Ans. 
Design principles are guidelines for designing software solutions that are maintainable, scalable, and efficient.
• Design principles help in creating software that is easy to understand, modify, and maintain.

• They promote code reusability, modularity, and flexibility.

• Examples of design principles include SOLID principles, DRY (Don't Repeat Yourself), KISS (Keep It Simple, Stupid), and YAGNI (You Aren't Gonna Need It).
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