Cognizant Software Engineer Interview Questions, Process, and Tips

Q1. Explain the oops concepts
Ans. 
OOPs concepts are fundamental principles of object-oriented programming that help in organizing and designing code.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• 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 deta...read more
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Q2. Advantages of collections
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Collections provide efficient data storage and manipulation in programming.
• Allow for easy organization and retrieval of data

• Provide various data structures like lists, sets, maps, etc.

• Enable operations like sorting, searching, filtering, and iteration

• Improve code readability and maintainability

• Examples: ArrayList, HashMap, TreeSet
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Q1. We need to work ok dbackups?
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Q2. What is use of lookup activity
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Q1. Questions related to the technology you have worked
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Q2. Questions related to the assignment you have worked on previous companies also what challenges you faces .
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Q1. Salary discussion
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Q2. Work profile also what was yours roles and responsibilities.
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Easy question on aptitude

Q1. Define oops and all of its principles
Ans. 
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• OOPs principles include Inheritance, Encapsulation, Polymorphism, and Abstraction.

• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation refers to the bundling of data with the methods that operate on that data.

• Polymorphism allows objects to be treated as instances of their p...read more
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Q2. Find if a string is pallindrome or not
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Check if a string is a palindrome by comparing it to its reverse.
• Create a function that takes a string as input.

• Reverse the string and compare it to the original string.

• If they are the same, the string is a palindrome.

• Example: 'racecar' is a palindrome.
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Q1. A general presentation
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Q1. General SQL and Angular questions, with different grades of dificulty
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Q2. What is a directive in Angular
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Directives in Angular are markers on DOM elements that tell Angular's HTML compiler to attach a specified behavior to that DOM element or even transform the DOM element and its children.
• Directives are used to create reusable components or add behavior to existing elements.

• There are three types of directives in Angular: Component, Structural, and Attribute directives.

• Example: ngIf is a structural directive that conditio
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