Maveric Systems Senior Software Engineer 1 Interview Questions and Answers

There were simple aptitude questions and core java MCQS

Q1. What's OOPs concept
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OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding th...read more
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Q2. Explain Inheritance
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Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can override or extend the functionality of the base class

• Example: Class 'Car' can inherit from class 'Vehicle' and inh...read more
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Q3. Basic Java output questions
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Q1. Interviewer asked me to introduce and then he asked about my education and family details and then he told me about company.
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Q1. What are closures
Ans. 
Closures are functions that have access to variables from their containing scope even after the scope has closed.
• Closures allow functions to access variables from their outer function even after the outer function has finished executing.

• They are commonly used in event handlers, callbacks, and asynchronous programming.

• Closures help in maintaining state in functional programming.
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Q2. What is virtual DOM
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Virtual DOM is a lightweight copy of the actual DOM used for efficient updates in web development.
• Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.

• When changes are made to the virtual DOM, a comparison is done with the actual DOM to determine the minimal updates needed.

• This approach reduces the number of costly DOM operations, resulting in faster rende
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Q3. What are the data types in JS
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Data types in JavaScript include number, string, boolean, object, function, undefined, and null.
• Number - represents numeric data, e.g. 10, 3.14

• String - represents textual data, e.g. 'hello', '123'

• Boolean - represents true or false values, e.g. true, false

• Object - represents complex data structures, e.g. { key: 'value' }

• Function - represents executable code, e.g. function() { }

• Undefined - represents a variable that has ...read more
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Q1. Write react code for counter
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React code for a simple counter
• Create a functional component for the counter

• Use useState hook to manage the count state

• Render the count value and buttons to increment and decrement the count
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Q1. Salary discussion
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Questions was regarding sql queries mostly

Q1. Basic question regarding sql like aggregate functions , joins
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Q2. Told to write sql query scenario based question
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Q1. What is Observables, Services, Promises, Closure ?
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General aptitude online test

Q1. OOPS basic concepts with eg
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Q2. C#,Sql,MVC concepts
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Q1. Project experience
Ans. 
I have experience working on various projects including web development, mobile app development, and database management.
• Developed a web application using React.js and Node.js for a client in the e-commerce industry

• Created a mobile app using Swift for a healthcare startup to track patient data

• Managed a MySQL database for a financial services company to store and retrieve customer information
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Q2. Coding related questions asked
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Since it came through college I was a fresher and it was aptitude + English

Q1. Project questions based on resume
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Q2. Then some HR questions also based
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I cant share the details

Q1. Tell me about yourself
Ans. 
I am a dedicated Software Test Engineer with 5 years of experience in manual and automated testing.
• Experienced in creating test plans, test cases, and executing tests

• Proficient in using testing tools such as Selenium and Jira

• Strong problem-solving skills and attention to detail

• Collaborative team player with excellent communication skills
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Q2. Explain frame work
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A framework is a set of guidelines, libraries, and tools that help in developing and testing software applications.
• Provides structure and guidelines for developing software

• Includes libraries and tools to simplify development tasks

• Promotes code reusability and maintainability

• Examples: Selenium WebDriver for web automation testing, TestNG for test execution and reporting
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