TCS Interview Questions, Process, and Tips

The aptitude test was based on cognitive, reasoning ability, maths question, behaviour/ situation based questions.

Q1. What is java and there features.
Ans. 
Java is a high-level programming language known for its platform independence and object-oriented features.
• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)

• Java is object-oriented, allowing for modular and reusable code

• Java has automatic memory management through garbage collection

• Java supports multithreading for concurrent programming

• Java has a rich set of APIs and librar
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Q2. What are famous oops concepts/ pillars of oops
Ans. 
The famous pillars of OOPs concepts are 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 complex implementation details and showing only the nece
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Q3. Explain inheritance in detail
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
• Inheritance allows a class to inherit properties and behavior from another class, known as the parent class or base class.

• The class that inherits from the parent class is called the child class or derived class.

• Child classes can add new attributes or methods, or override existing ones from the parent...read more
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Q4. Difference between oop and pop
Ans. 
OOP stands for Object-Oriented Programming, while POP stands for Procedural-Oriented Programming.
• OOP focuses on objects and classes, allowing for encapsulation, inheritance, and polymorphism.

• POP focuses on procedures and functions, with a top-down approach to programming.

• OOP promotes code reusability and modularity, while POP can lead to spaghetti code.

• Examples of OOP languages include Java and C++, while examples of P
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Q5. Situation based question for coding (one example was given and function needs to write)
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The basics of DSA with your prefered language

Q1. WAP to find the repeating words in the string.
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Q2. ArrayList, Core java questions, Linear search, binary search, Database
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There was a coding round in which we had to solve at least 1 question out of 6 to get shortlisted for interview.

Q1. In technical interview they ask common questions from DBMS, Java, DSA
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Q2. Question were on array, stack, DBMS properties
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Q1. HR asked me only one question - 'why should we hire you?'
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Test on aptitude questions.

Q1. Regarding skills,projects
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Q2. Normal discussion
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Q3. Coding questions
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Q1. Normal discussion
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Q2. Company policies
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Done with National qualifier test

Q1. On python Done with basic questions
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Q1. Salary discussion and as a fresher done
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2 Codes.
Difficultly Level- Moderate.

Q1. Core Java, OOPs, Data Structures.
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Q1. Comfortable with Work out of desired home location or not?
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