TCS Servicenow Developer Interview Questions and Answers

Q1. What is object in cpp
Ans. 
An object in C++ is a self-contained entity that consists of data and functions to manipulate that data.
• Objects are instances of classes in C++

• Objects can have attributes (data members) and methods (member functions)

• Objects can be created dynamically using the 'new' keyword

• Example: class Car { int speed; void accelerate(); }; Car myCar;
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Q2. What is function and function call
Ans. 
A function is a block of code that performs a specific task. A function call is when the function is executed.
• Functions are reusable blocks of code that can be called multiple times in a program.

• Function calls involve providing the function name followed by parentheses, which may contain arguments.

• Functions can return values or perform actions without returning a value.
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Q3. What is inheritance in cpp
Ans. 
Inheritance in C++ allows a class to inherit properties and behaviors from another class.
• Allows a class to inherit properties and behaviors from another class

• Derived class can access all public and protected members of the base class

• Supports single and multiple inheritance

• Example: class Car inherits from class Vehicle
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Q4. How many data types in c
Ans. 
C language has 5 basic data types: int, float, double, char, and void.
• int - used for integer values (e.g. 5, -10)

• float - used for floating-point values (e.g. 3.14, -0.5)

• double - used for double-precision floating-point values (e.g. 3.14159, -0.12345)

• char - used for single characters (e.g. 'a', 'B')

• void - used to indicate that a function does not return a value
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Q5. Features of OPP
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OPP stands for Object-oriented Programming. It is a programming paradigm based on the concept of objects.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Ability of a class to inherit properties and behavior from another class.

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

• Abstraction: Hiding the complex implementation details and showing on...read more
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Q1. Based on the resume and profile quesitons started,1.How can we use flow designer for integration,can we use workflow in flow designer,what is the specific activity name .2.diff between soap and REST integr...read more
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Q1. Asked hr related stuff like location and shifts constraints
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Q1. Tell me about your roles
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Q2. How good are you at gathering requirement
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Q1. Glide record and glideajax
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Q1. Telephonic screening round and involve some technical questions
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Q1. Interview in brief in ITSM and questions on what you mentioned in resume
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Q1. Package discussion with HR
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Matrix multiplication between operations and logics between them

General coding and decoding topics and percentage ratio and proportion problems