Apexon Interview Questions, Process, and Tips

Q1. Functional Programming in Java,Oops Concepts
Ans. 
Functional programming in Java focuses on using functions to perform tasks, while OOPs concepts revolve around classes and objects.
• Functional programming in Java involves using higher-order functions, lambda expressions, and streams to process data.

• OOPs concepts in Java include inheritance, encapsulation, polymorphism, and abstraction.

• Functional programming promotes immutability and avoids side effects, while OOPs allo...read more
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Q2. Spring boot related questions
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Q3. Functional Programming in java
Ans. 
Functional programming in Java focuses on using functions to perform operations on data, emphasizing immutability and avoiding side effects.
• Uses higher-order functions like map, filter, and reduce to manipulate data

• Emphasizes immutability to avoid side effects

• Encourages declarative programming style

• Leverages lambda expressions and streams for concise code

• Example: Using map to transform a list of integers
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Q1. What is design pattern
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Design pattern is a reusable solution to a commonly occurring problem in software design.
• Design patterns help in creating maintainable, scalable, and reusable code.

• They provide a common language for developers to communicate and understand each other's code.

• Examples of design patterns include Singleton, Factory, Observer, and MVC.
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Q2. Which design pattern have you used
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I have used the MVC (Model-View-Controller) design pattern in my previous projects.
• Separates the application into three main components: Model (data), View (UI), and Controller (logic)

• Promotes code reusability, modularity, and easier maintenance

• Examples: ASP.NET MVC, Spring MVC, Ruby on Rails
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Q1. Ai interview questions on basic automation
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Q1. JavaScript, jQuery, css related questions
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Q2. Api testing questions
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I was selected in 1st interview. Kotlin questions like MVVM, coroutine etc.

Q1. Java Question for interface
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Q1. Automation framework related questions
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Q2. Java coding on strings
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Q1. React Life cycle methods
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Q2. Machine coding with crypto price api
Ans. 
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. Where do you used the concepts of OOPs in your project, please explain with examples?
Ans. 
OOPs concepts are used in my project for creating reusable and modular code.
• I use inheritance to create a base class for common functionalities and then derive specific classes from it.

• Encapsulation is used to hide the internal implementation details of a class and only expose necessary methods and properties.

• Polymorphism allows me to use a single interface to represent different data types or objects.

• Abstraction helps...read more
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Q2. LINQ in C#?
Ans. 
LINQ (Language Integrated Query) is a feature in C# that allows for querying data from different data sources using a SQL-like syntax.
• LINQ allows for querying data from collections, databases, XML, and more.

• It provides a set of standard query operators like Where, Select, OrderBy, GroupBy, etc.

• LINQ queries are written in a declarative syntax, making code more readable and maintainable.

• Example: var result = from num in
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Q3. Did you managed a CI/CD pipeline in your project?If yes, then what challenges did you faced?
Ans. 
Yes, I managed a CI/CD pipeline in my project.
• Setting up automated testing was a challenge due to compatibility issues.

• Integrating different tools and technologies caused some delays.

• Ensuring smooth deployment across multiple environments required careful planning.
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Q4. How many Test Case you used to automate?
Ans. 
I have automated approximately 500 test cases.
• I have automated test cases for critical functionalities to ensure robustness.

• I have automated regression test cases to save time and effort during testing.

• I have automated boundary test cases to ensure the system handles extreme scenarios.

• I have automated negative test cases to validate error handling.

• I have automated performance test cases to assess system response under ...read more
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Remove the duplicates character from the string and print string with only characters occuring once?