Cognizant Interview Questions, Process, and Tips

Very easy one

Q1. Basic about Oops must
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Maths, reasoning , English questions

Some programs were needed to develop In c,c,++ language plus some software related questions.

Q1. Programming questions, Data structure
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Q2. Write a pseducode for printing a 5 rows triangle having element as star .
Ans. 
Pseducode for printing a 5 rows triangle with star elements.
• Use nested loop to print the triangle

• The outer loop will iterate for 5 rows

• The inner loop will print the stars for each row

• The number of stars to print will increase with each row
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Q3. Difference between array and link list.
Ans. 
Arrays are fixed in size and store data in contiguous memory locations, while linked lists are dynamic and store data in nodes with pointers to the next node.
• Arrays have constant time access to elements, while linked lists require traversal to access elements.

• Insertion and deletion are faster in linked lists as they only require updating pointers, while arrays may require shifting elements.

• Arrays are better for random ...read more
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Q4. Oops basic fundamentals
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Q5. Class and object in c++
Ans. 
Class and object are fundamental concepts in C++ programming language.
• A class is a blueprint for creating objects that have similar attributes and methods.

• An object is an instance of a class that has its own set of values for the attributes defined in the class.

• Classes can have access modifiers like public, private, and protected to control the visibility of attributes and methods.

• Objects can interact with each other b...read more
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Q6. Inheritance in detail
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Inheritance is a mechanism in object-oriented programming where a new class is derived from an existing class.
• Inheritance allows the new class to inherit the properties and methods of the existing class.

• The existing class is called the superclass or parent class, while the new class is called the subclass or child class.

• The subclass can add new properties and methods or override the existing ones.

• Inheritance promotes c...read more
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Q7. Tell me about yourself
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Q8. To represent a class object
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To represent a class object, we need to define a class with its properties and methods.
• Define a class with the 'class' keyword in the programming language

• Add properties and methods to the class

• Instantiate the class to create an object

• Access the object's properties and methods using dot notation

• Example: class Person { name; age; sayHello() { console.log('Hello!'); } }

• Example: const john = new Person(); john.name = 'John
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Q9. For loop example scenerio
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Q1. Hobbies , weakness and strength, short introduction etc etc.
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PL SQL - 10 Minutes
RDBMS - 5 Minutes
Programing Language(Python/C/C++/C#) - 15 Minutes

Q1. Basic oops java spring sql questions
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Q1. Why are you looking for a change?
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Q2. Share details of your previous job.
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Q3. What are your salary expectations?
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Q4. Tell me about yourself.
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