Trunexa Software QA Engineer Interview Questions and Answers for Experienced

Core Java coding questions

That was little difficult to crack.

Q1. Software testing
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Q2. Bug life cycle, SDLC, stlc, api, postman
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Q3. Htttp methods, status code,
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Q4. Verification vs validation, oopsconcepts,
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Q5. Collection, selenium waits,
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They give a standard application to develop in mvvm or clean architecture, don't forget to write unit tests

Q1. Mostly discuss on the implementation of the project you've done in round one
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Q2. Flutter is addon
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Flutter is a UI toolkit for building natively compiled applications for mobile, web, and desktop from a single codebase.
• Flutter is an open-source framework developed by Google.

• It uses the Dart programming language.

• Flutter allows for hot reload, which enables developers to see changes instantly.

• It provides a rich set of pre-built widgets for building user interfaces.

• Flutter can be used to create apps for iOS, Android, w
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Q3. Explain about compose way of thinking.
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Compose way of thinking involves breaking down complex problems into smaller, manageable parts and then combining them to create a solution.
• Break down a problem into smaller components

• Solve each component individually

• Combine the solutions to create a complete solution

• Example: Using functions to break down a complex task into smaller functions and then combining them to achieve the desired outcome
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Q4. Difference between presenter and viewmodel
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Q5. Explain about lifecycle of view
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Lifecycle of view refers to the stages a view goes through from creation to destruction in an application.
• Creation: View is initialized and loaded into memory.

• Layout: View is positioned and sized on the screen.

• Display: View is rendered and displayed to the user.

• Interaction: User interacts with the view through input events.

• Destruction: View is removed from memory when no longer needed.
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It was an easy test. Multiple choice questions bases on java

Q1. Asked oops concepts, collection, basic multithreading questions.
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Q1. Asked some questions related to projects.
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Q1. Oops, basic ,SQL ,ado
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Curd operation with SQL connectivity

Q1. Basics of your technical skills
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Q1. More Projects related questions
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Q1. What are indexes in the database? what is the difference between clustered and non-clustered indexes?
Ans. 
Indexes are used to improve database performance. Clustered indexes determine the physical order of data, while non-clustered indexes do not.
• Indexes are used to speed up data retrieval operations in a database.

• Clustered indexes determine the physical order of data in a table, while non-clustered indexes do not.

• A table can have only one clustered index, but multiple non-clustered indexes.

• Clustered indexes are generally ...read more
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Q2. Write a query to delete duplicate rows from a table.
Ans. 
Query to delete duplicate rows from a table
• Use GROUP BY clause to group the rows by their unique values

• Use HAVING clause to filter out the groups with count greater than 1

• Use DELETE statement to delete the duplicate rows
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Q3. Class A { public string A() { return "hello"; } } what is wrong with above code?
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Q4. What is a singleton pattern and how to implement it?
Ans. 
Singleton pattern restricts the instantiation of a class to a single instance and provides a global point of access to it.
• Create a private constructor to restrict instantiation of the class

• Create a private static instance of the class

• Create a public static method to access the instance

• Ensure thread safety if necessary

• Examples: Database connection, Logger, Configuration settings
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Q5. How do you handle exceptions in stored procedures?
Ans. 
Handle exceptions in stored procedures by using TRY-CATCH blocks.
• Use TRY-CATCH blocks to catch and handle exceptions

• Log the error message and severity level

• Rollback the transaction if necessary

• Rethrow the error if it cannot be handled

• Use RAISERROR to raise custom error messages
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Q6. Explain SOLID principles.
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SOLID principles are a set of five design principles that help in creating maintainable and scalable software.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open-Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Subtypes should be substitutable for their base types.

• I - Interface Segregation Principle: C...read more
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Q7. Difference between throw and throw exception?
Ans. 
throw is used to throw an exception while throw exception is used to throw a specific exception.
• throw is used to throw any type of exception while throw exception is used to throw a specific type of exception.

• throw exception is followed by the type of exception that needs to be thrown.

• throw can be used to throw any object while throw exception can only be used to throw an exception object.

• Example: throw new Exception("
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