TCS IT Analyst Interview Questions and Answers

I could relate to my knowledge.

Q1. What are the Object-Oriented Programming (OOP) concepts in Java?
Ans. 
OOP concepts in Java include classes, objects, inheritance, polymorphism, encapsulation, and abstraction.
• Classes: Blueprint for creating objects.

• Objects: Instances of classes that encapsulate data and behavior.

• Inheritance: Allows a class to inherit properties and methods from another class.

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

• Encapsulation: Bundling data and methods that operate ...read more
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Q2. Can you explain what you have learned in Java?
Ans. 
I have learned Java programming language extensively, including object-oriented programming concepts, data structures, and algorithms.
• Extensive knowledge of Java syntax and features

• Understanding of object-oriented programming concepts like inheritance, polymorphism, and encapsulation

• Experience with data structures such as arrays, linked lists, stacks, and queues

• Knowledge of algorithms like sorting, searching, and graph...read more
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Q3. Can you explain what all knowledge do you have in java
Ans. 
I have extensive knowledge in Java programming language, including core concepts, data structures, multithreading, and design patterns.
• Strong understanding of core Java concepts such as OOP, inheritance, polymorphism, and encapsulation

• Experience with data structures and algorithms in Java, including arrays, linked lists, trees, and graphs

• Proficient in multithreading and concurrency in Java, including synchronization an...read more
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Q1. Are you willing to relocate?
Ans. 
Yes, I am open to relocating for the right opportunity.
• I am open to relocating for the right job opportunity

• I am willing to move to a new location if required for the role

• I am flexible and adaptable to new environments
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Q2. How would you handle a situation in which you receive no support from your team on a project?
Ans. 
I would address the issue by communicating with my team, seeking feedback, and finding alternative solutions.
• Initiate a meeting with the team to discuss the lack of support and understand their perspectives

• Seek feedback on how to improve collaboration and address any concerns

• Explore alternative solutions or resources to move the project forward

• Maintain open communication and transparency throughout the process
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Q1. Self introduction
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Q2. What is bigdata
Ans. 
Big data refers to large, complex datasets that require advanced tools for processing and analysis to extract meaningful insights.
• Volume: Refers to the vast amounts of data generated every second, e.g., social media posts, transaction records.

• Velocity: The speed at which data is generated and processed, such as real-time data from IoT devices.

• Variety: The different types of data, including structured (databases), semi-...read more
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Q1. Life cycle hooks,form example ,Pipe explain with example
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Q2. Print key value vair of object ,http interceptor ,hositing ,closures
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Q3. Component communication with parent child and without parent child
Ans. 
Component communication in Angular can be achieved using parent-child relationship or through services for communication without parent-child relationship.
• Parent-child communication: Use @Input() to pass data from parent to child component and @Output() with EventEmitter to pass data from child to parent component.

• Without parent-child communication: Use services to create a shared service that can be injected into mult...read more
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Q4. Multicasting with behavior and subject
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Q5. Lazy loading and routing
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Q1. Angular Life Cycle
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Q2. What is component
Ans. 
A component is a reusable and independent part of a system or software that performs a specific function.
• Components can be easily integrated into different systems or applications

• They help in modularizing the system and promoting reusability

• Examples include buttons, input fields, and dropdown menus in a user interface
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Q3. How you can reuse component
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Components can be reused by creating libraries, templates, or frameworks for future projects.
• Create a library of commonly used components that can be easily integrated into new projects

• Develop templates that can be customized and reused for similar projects

• Build frameworks that provide a structure for developing new components and can be reused across projects
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Q4. What are pipes in angular
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Pipes in Angular are used for transforming data in templates.
• Pipes are used to format data before displaying it in the view.

• They can be used to filter, sort, or transform data.

• Examples include date pipe, uppercase pipe, and currency pipe.
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Q5. What are modules
Ans. 
Modules are independent units of software that can be used to build larger systems or applications.
• Modules help in organizing code into smaller, manageable units

• They can be reused across different parts of a system

• Modules can be easily updated or replaced without affecting the entire system

• Examples include JavaScript modules, Python modules, and software libraries
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Q1. Why you want to switch
Ans. 
Looking for new challenges and growth opportunities in a different environment.
• Seeking new challenges to enhance skills and knowledge

• Interested in exploring different technologies and industries

• Want to broaden my experience and network

• Current role lacks growth opportunities or advancement potential
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Q1. Documentation related questions
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Q2. Salary discussion
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