SBS Interview Questions and Answers

Q1. Output of this program ?
Ans. 
The program will output 'Hello World!'
• The program prints the string 'Hello World!' to the console

• There are no variables or conditions affecting the output
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Q2. Who are DBA ?
Ans. 
DBA stands for Database Administrator. They are responsible for managing and maintaining databases.
• DBAs ensure data integrity and security in databases

• They optimize database performance and troubleshoot issues

• DBAs may also be involved in database design and implementation

• Examples: Oracle DBA, SQL Server DBA
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Duration was 1 hr 30 mins. 11 questions

Q1. Transient keyword ?
Ans. 
The transient keyword in Java prevents serialization of certain class fields, ensuring they are not saved during object serialization.
• Used in Java to indicate that a field should not be serialized.

• Example: `transient int temp;` - 'temp' will not be saved during serialization.

• Useful for sensitive data like passwords or temporary states.

• Transient fields are initialized to default values upon deserialization.
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Q2. What can be final ?
Ans. 
Final keyword in Java can be used with variables, methods, and classes to make them unchangeable.
• Variables declared with 'final' keyword cannot be reassigned.

• Methods declared with 'final' keyword cannot be overridden.

• Classes declared with 'final' keyword cannot be subclassed.
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Q1. Project related questions
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Q2. OOPS concepts in Java
Ans. 
OOPS concepts in Java refer to the principles of Object-Oriented Programming such as Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

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

• Abstraction: Hiding the implementat...read more
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Q1. Introduce yourself
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Worked on developing web applications using Java Spring framework

• Proficient in database management with SQL
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Q2. Anything u would like to ask
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Q1. What is leadership
Ans. 
Leadership is the ability to guide, inspire, and influence others towards achieving common goals.
• Vision: A leader sets a clear vision for the team, like a project manager outlining project goals.

• Empowerment: Leaders empower team members by delegating responsibilities, such as allowing developers to take ownership of features.

• Communication: Effective leaders maintain open lines of communication, ensuring everyone is inf...read more
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Q2. Tell what innovation you did
Ans. 
Developed a real-time data processing system that improved response times by 40%, enhancing user experience and operational efficiency.
• Implemented a microservices architecture to decouple components, allowing for independent scaling and faster deployments.

• Introduced a caching layer using Redis, which reduced database load and improved data retrieval times by 60%.

• Automated deployment processes using CI/CD pipelines, res...read more
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Q1. Subscript in search
Ans. 
Subscript in search refers to indexing elements in data structures for efficient retrieval.
• Subscript is often used in arrays to access elements, e.g., array[2] retrieves the third element.

• In programming, subscripts can be negative, e.g., array[-1] accesses the last element in some languages.

• Subscript notation is common in languages like Python, C++, and Java for array manipulation.

• In databases, subscripts can optimize ...read more
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Q2. Db2 performance
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Q1. Explain different types of testing
Ans. 
Different types of testing include unit testing, integration testing, system testing, acceptance testing, and regression testing.
• Unit Testing: Testing individual components or modules of a software application in isolation.

• Integration Testing: Testing the interaction between different components or modules to ensure they work together correctly.

• System Testing: Testing the entire system as a whole to verify that it meet...read more
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Q2. Explain types of tests
Ans. 
Types of tests include unit testing, integration testing, system testing, and acceptance testing.
• Unit testing: Testing individual components or modules of the software.

• Integration testing: Testing how different modules work together.

• System testing: Testing the entire system as a whole.

• Acceptance testing: Testing to ensure the software meets the requirements of the end users.
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Q1. Gap analysis in a given scenario
Ans. 
Gap analysis involves comparing current state to desired state to identify discrepancies and plan improvements.
• Identify current state and desired state

• Analyze the differences between the two states

• Develop a plan to bridge the gaps

• Implement the plan and monitor progress

• Examples: comparing current software functionality to desired features, comparing test coverage to industry standards
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Q1. Discussion on salary
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