Cognizant Internet Consultant Interview Questions, Process, and Tips

Ist I gave a aptitude + Technical questions + 1 coding question
Coding question was based on sorting

Q1. Academic project explanation, java basic questions
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Q2. What is class, object
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Class is a blueprint for creating objects, while object is an instance of a class.
• A class defines the properties and behaviors of objects.

• An object is a specific instance of a class.

• Classes can inherit properties and behaviors from other classes.

• Objects can interact with each other by calling methods on each other.

• Example: Class 'Car' may have properties like 'color' and 'model', while an object of class 'Car' could be
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Q3. Explain OOPS concept
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OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve problems.

• It involves concepts like encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation refers to bundling data and methods that operate on the data into a single unit.

• Inheritance allows a class to inherit...read more
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Q4. What is method overloading, method overiding
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Method overloading is when multiple methods have the same name but different parameters. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.
• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding occurs in a subclass when a method has the same name and parameters as a method in it...read more
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Q5. What is inheritance, encapsulation, access modifiers
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Inheritance, encapsulation, and access modifiers are key concepts in object-oriented programming.
• Inheritance allows a class to inherit properties and behaviors from another class.

• Encapsulation is the concept of bundling data and methods that operate on the data within a single unit.

• Access modifiers control the visibility and accessibility of class members.

• Examples: public, private, protected

• Inheritance example: class D...read more
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Easy aptitude test. Simple questions and easy to answer.

Q1. Implementing the logic for Bubble sort
Ans. 
Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.
• Start by comparing the first two elements of the array and swap them if necessary.

• Continue comparing adjacent elements and swapping them until the array is sorted.

• Repeat this process for each element in the array until no more swaps are needed.
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Q2. Software development lifecycle and its uses
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Software development lifecycle is a process used to design, develop, and test software applications.
• It includes phases like planning, design, development, testing, deployment, and maintenance.

• Each phase has specific goals and deliverables to ensure the quality and success of the software.

• Examples of SDLC models include Waterfall, Agile, and DevOps.

• SDLC helps in managing the project effectively, reducing risks, and deli
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Q1. What is revenue recognition
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Revenue recognition is the process of recording revenue in a company's financial statements when it is earned.
• Revenue recognition is important for accurately reflecting a company's financial performance.

• It involves determining when revenue is earned and when it can be recognized on the income statement.

• Revenue is typically recognized when goods are delivered or services are performed, regardless of when payment is rece...read more
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Q1. They ask you about your qualifications and what are your specialization skill later on it forward the resume of yours
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Mainly on english and aptitude

Java coding questions

Q1. One to one discussion
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Q2. Where do you want to see after 5 years
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Genral knowledge and reasoning

Q1. Basic info on IT And coding concept
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Q1. Why should we hire you?
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Q2. What are your future plans?
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Q1. Conversion of 2d array to 1d array
Ans. 
Conversion of 2d array to 1d array
• Iterate through each row of the 2d array and append it to the 1d array

• Use built-in functions like flatten() in Python or flat() in JavaScript

• Calculate the index of each element in the 2d array and map it to the corresponding index in the 1d array
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Q2. Why do you like Java?
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I like Java because of its versatility and wide range of applications.
• Java is platform-independent, making it easy to write code that can run on multiple operating systems.

• It has a vast library of pre-built classes and functions, making it easy to develop complex applications.

• Java is used in a variety of industries, from finance to gaming, making it a valuable skill to have.

• It is also a popular language for developing ...read more
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