TCS Developer Interview Questions, Process, and Tips

Q1. Explain oops concept with example
Ans. 
OOPs concept is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPs stands for Object-Oriented Programming

• Key concepts include encapsulation, inheritance, and polymorphism

• Example: Inheritance - a class 'Animal' can be inherited by classes like 'Dog' and 'Cat'
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Q2. Expalin inheritance and abstractio0n
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Q1. What is cond parameter?
Ans. 
The cond parameter is a conditional parameter used in programming to evaluate a series of conditions and return a value based on the first condition that is true.
• Cond parameter is commonly used in programming languages like Lisp and Clojure.

• It takes a series of pairs where the first element is a condition and the second element is the value to return if the condition is true.

• Example: (cond ((= x 0) 'zero) ((= x 1) 'one
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Q2. What is null indicator
Ans. 
Null indicator is a flag used to indicate whether a value is null or not in database systems.
• Null indicator is used in database systems to handle null values efficiently.

• It is typically a single bit flag associated with a data field.

• A null indicator value of 0 indicates that the corresponding value is not null, while a value of 1 indicates it is null.
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Basic analytical skills

Any language you are comfortable in

Q1. Document check for verification
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Q2. DAte of joining discussed
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Basic aptitude test can be easily solved

2 questions will be provided and you have to answer them in an hour

Q1. They ask you details that you have mentioned in the resume
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Q1. Array vs Array list, Authentication vs Authotisation, ask to write sql query by giving a logic, sql syntaxes
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It consists of simple aptitude questions

Q1. Oops concepts, Project work
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