Maveric Systems Interview Questions, Process, and Tips

1 Hours aptitude test on hacker rank based on Aptitude question, Java, SQL

Q1. Java interview questions.
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Q2. What is wrapper class?
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Wrapper class is a class that wraps around a primitive data type and provides additional functionality.
• Wrapper classes in Java are used to convert primitive data types into objects.

• They provide methods to access the value of the wrapped primitive type.

• Examples include Integer, Double, Boolean, etc.
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Q1. Salary discussion and all.
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Q1. What is meant by RTM
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RTM stands for Requirements Traceability Matrix, a document that links requirements to test cases to ensure all requirements are covered.
• RTM is a document used in software testing to ensure that all requirements are covered by test cases.

• It helps in tracking the progress of testing by linking each requirement to its corresponding test case.

• RTM is a useful tool for ensuring comprehensive test coverage and for identifyin...read more
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Q2. Los-LMS process
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Q3. Difference between regression and Sanity
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Regression testing ensures existing functionality still works after changes, while sanity testing checks if new functionality works as expected.
• Regression testing is done to make sure that new code changes have not affected existing functionality.

• Sanity testing is a cursory testing to make sure that the new functionality is working as expected.

• Regression testing is comprehensive and covers all areas of the application.

• ...read more
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Q4. Quality assurance vs quality control
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Quality assurance focuses on preventing defects, while quality control focuses on identifying and fixing defects.
• Quality assurance involves processes and procedures to prevent defects from occurring.

• Quality control involves activities to identify defects and ensure they are fixed.

• Quality assurance is proactive, while quality control is reactive.

• Examples of quality assurance include code reviews, process audits, and tra...read more
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Q1. What is meant by unit test and who do it
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Unit test is a type of testing where individual units or components of a software are tested in isolation.
• Unit test is performed by developers to ensure that each unit of code is working correctly.

• It helps in identifying bugs early in the development process.

• Unit tests are usually automated and run frequently during the development cycle.

• Examples of unit testing frameworks include JUnit for Java, NUnit for .NET, and py
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Q2. What is difference between test plan and test design
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Test plan outlines the overall testing approach, while test design specifies how individual test cases will be created and executed.
• Test plan is a high-level document outlining testing objectives, resources, schedule, and scope

• Test design is a detailed document specifying test cases, test data, and expected results

• Test plan focuses on the overall testing strategy, while test design focuses on the specifics of individua
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Q3. When will you automate a website
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Automate a website when repetitive tasks need to be performed frequently and consistently.
• Automate when manual testing becomes time-consuming and inefficient

• Automate when the website has a large number of test cases that need to be executed regularly

• Automate when the website undergoes frequent changes and regression testing is required

• Automate when the website needs to be tested across multiple browsers and devices
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Q1. What is testing
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Testing is the process of evaluating a software application to identify defects or bugs.
• Testing involves executing the software with the intent of finding defects.

• It ensures that the software meets the specified requirements and works as expected.

• Types of testing include functional testing, performance testing, and security testing.

• Examples of testing tools include Selenium, JUnit, and LoadRunner.
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Q1. Basic question on spark and pyspark
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Q2. Azure databrick related questions, scd 1 and scd2
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Q1. Explain clean architecture
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Clean architecture is a software design approach that separates concerns and enforces a clear separation of responsibilities.
• Separates code into layers (presentation, domain, data)

• Dependence on abstractions rather than concrete implementations

• Allows for easier testing and maintenance

• Promotes scalability and flexibility

• Example: MVP, MVVM, VIPER
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Q2. Explain mvvm acrhitecture
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MVVM is an architectural pattern that separates the UI, business logic, and data layers in an Android app.
• Model - represents the data and business logic

• View - UI components that display data and interact with the user

• ViewModel - acts as a mediator between the Model and View, handling data operations and updating the UI

• Data binding - connects the View and ViewModel, automatically updating the UI when data changes
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Q3. Explain SOLID principle
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SOLID is a set of five principles for writing clean, maintainable, and scalable object-oriented code.
• Single Responsibility Principle: A class should have only one reason to change.

• Open/Closed Principle: Classes should be open for extension but closed for modification.

• Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.

• In...read more
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Q1. Overall experience and regression testing
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