ValueLabs Senior Software QA Engineer Interview Questions and Answers

Q1. What are oops concepts
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Q2. Some questions on collection framework
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Q1. Framework and Coding
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Q2. What is Cucumber
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Cucumber is a testing tool that supports Behavior Driven Development (BDD) by allowing tests to be written in plain English.
• Cucumber uses Gherkin syntax to define test cases in a human-readable format

• It allows collaboration between non-technical stakeholders and technical team members

• Cucumber tests are written in feature files with scenarios and steps

• It can be integrated with various programming languages like Java, Ru
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Q1. Asked very simple question
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Basic MCQs on General aptitude, logical reasoning and programming questions

Q1. What is a constructor in C++?
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A constructor in C++ is a special member function that is automatically called when an object is created.
• Constructors have the same name as the class and do not have a return type.

• They can be used to initialize the object's data members.

• Default constructors are automatically generated if no constructor is defined.

• Parameterized constructors can be defined to accept arguments during object creation.
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Q2. What is copy assignment operator?
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Copy assignment operator is a special member function in C++ that allows one object to be assigned the values of another object of the same class.
• Copy assignment operator is denoted by the = operator.

• It is used to copy the values of one object into another object of the same class.

• It is automatically generated by the compiler if not explicitly defined.

• Example: MyClass obj1; MyClass obj2; obj2 = obj1; // Copy assignment
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Q3. What is virtualization in C++?
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Virtualization in C++ is the process of creating a virtual version of a class or function to allow for polymorphism and dynamic binding.
• Virtualization in C++ is achieved through the use of virtual functions and inheritance.

• Virtual functions are declared in a base class and overridden in derived classes to provide different implementations.

• Virtualization allows for polymorphism, where a pointer to a base class can point...read more
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Q4. Implement String class
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Implement a custom String class in a programming language.
• Define a class with necessary properties and methods to manipulate strings.

• Include methods for concatenation, substring, length, etc.

• Handle memory allocation and deallocation properly.

• Example: class MyString { // implementation }
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Q5. What is smart pointers?
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Smart pointers are objects that act like pointers but provide automatic memory management.
• Smart pointers help prevent memory leaks by automatically deallocating memory when no longer needed.

• Examples include unique_ptr, shared_ptr, and weak_ptr in C++.

• They provide better memory safety compared to raw pointers.
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30 questions combination of Logical, numeric, verbal and 2 coding questions.

Q1. Self Introduction
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Q2. Questions on core Java concepts
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Q1. Tell me about yourself
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I am a passionate software engineer with experience in developing web applications and a strong background in computer science.
• Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React

• Strong background in computer science with knowledge of data structures and algorithms

• Proficient in programming languages such as Java, Python, and C++

• Familiar with Agile development methodolog
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Q2. Your strength and weakness
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Strength: Problem-solving skills. Weakness: Overthinking.
• Strength: I have strong problem-solving skills which help me in finding efficient solutions to complex issues.

• Weakness: Sometimes I tend to overthink situations, which can lead to unnecessary stress and delays in decision-making.
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Q1. Tell me about yourself?
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Q2. Python and java spring cloud
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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
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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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Q1. Explain sldc architecture
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SDLC architecture stands for Software Development Life Cycle architecture, which is a process used in software development to design, develop, and test software applications.
• SDLC architecture involves planning, designing, coding, testing, and deploying software applications.

• It helps in ensuring that the software development process is organized and efficient.

• Common SDLC models include Waterfall, Agile, and DevOps.

• Each ...read more
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Q2. Explain DBMS and its needs
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DBMS stands for Database Management System, it is a software that manages databases and allows users to interact with them.
• DBMS is used to create, retrieve, update, and manage data in databases.

• It provides a way to store and organize data efficiently.

• DBMS ensures data integrity, security, and consistency.

• Examples of DBMS include MySQL, Oracle, SQL Server, and PostgreSQL.
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Q1. Intall Mongo Db and perform crud operation
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Q2. Dsa question asked to complete in javascrip
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