Cognizant Software Engineer Trainee Interview Questions, Process, and Tips for Experienced

There are some reasoning and technical question are there it was so simple

Q1. In the technical interview timeing 1hr30min but they take max 45 min it was so easy You must have technical basic knowledge as per u mention preferred language in resume also add only those things in resu...read more
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Q2. Basic. 1 Intro ...speak atleast 1min 2 strength Weakness 3 programing que 1 also 4 basic technical question
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Q1. Able to relocate according to project requirements
Ans. 
Yes, I am willing to relocate for project requirements.
• I am open to relocating for the duration of the project

• I understand that project requirements may require me to move to a different location

• I am willing to adapt to new environments and work with different teams
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Basic maths like mixture, speed time distance, profit loss etc

2 coding. Candidates can choose any language. Whatever they will prefer

Q1. Depends on candidates stream. My stream was CSE. So Interviewer asked basics of cse subjects like data structures, c , oops, Java, SQL. And some HR related questions based on current situations.
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Q2. How many types of join inSQL?
Ans. 
There are four types of joins in SQL: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
• INNER JOIN: Returns rows when there is at least one match in both tables.

• LEFT JOIN: Returns all rows from the left table, and the matched rows from the right table.

• RIGHT JOIN: Returns all rows from the right table, and the matched rows from the left table.

• FULL JOIN: Returns rows when there is a match in one of the tables.
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Q3. What is inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

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

• Example: Class 'Car' can inherit from class 'Vehicle'
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Q4. What is encapsulation
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Encapsulation is the concept of bundling data and methods that operate on the data into a single unit, known as a class.
• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for data hiding, which prevents direct access to the internal state of an object.

• Encapsulation also helps in achieving data abstraction, where the internal details of an object are hidden and only the ...read more
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Q5. What are the differences between array list and array?
Ans. 
Array list is a dynamic array that can grow or shrink in size, while array has a fixed size.
• Array list can dynamically resize itself, while array has a fixed size.

• Array list is part of Java's Collection framework, while array is a basic data structure in most programming languages.

• Array list allows insertion and deletion of elements at any position, while array does not support this flexibility.
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Simple easy aptitude test with few programming mcqs.

An easy medium difficulty coding problem.

Q1. Basic introduction, why you chose programming.
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Q2. Your introduction, and why you chose programming.
Ans. 
I am a passionate software engineer trainee with a strong interest in problem-solving and creating innovative solutions through programming.
• I have always been fascinated by technology and the endless possibilities it offers.

• Programming allows me to express my creativity and logical thinking in a tangible way.

• I enjoy the challenge of solving complex problems and the satisfaction of seeing my code come to life.

• For exampl...read more
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