Capgemini Interview Questions, Process, and Tips for Experienced

There were mathematics work, train, logical questions, direction, english comprehension

C / c++/ java based quiz questions

Q1. Question about your projects
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Q2. Question about the object oriented concepts
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Q1. Question about the company's policy of working pan India
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Q1. Java basics and spring boot
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Q2. Database basic queries
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Q3. Angular, HTML basics
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Q1. Salary negotiation
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Q2. Location preference
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You can refer rs Agarwal solution

Q1. Relevant DBMS and project was asked
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Q2. Software engineering principles
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Software engineering principles are the guidelines and best practices followed by software engineers to develop high-quality software.
• Software should be modular and easy to maintain

• Code should be well-documented and easy to understand

• Testing should be done at every stage of development

• Software should be designed to be scalable and adaptable

• Security should be a top priority

• Continuous improvement and learning is essentia
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Q1. Game based mode was present
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Q1. Introduce yourself
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Q2. Why do you want to be a part of IT field if you're field was Mechanical Engineering.
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Q3. What is https and how did you hack into network.
Ans. 
HTTPS stands for Hypertext Transfer Protocol Secure, it is a secure version of HTTP used for secure communication over a computer network.
• HTTPS encrypts data to ensure secure communication between a web browser and a server.

• To hack into a network, one would need to exploit vulnerabilities in the network's security protocols or gain unauthorized access to sensitive information.

• Examples of hacking methods include phishin...read more
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Q4. What is abstraction/ polymorphism
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Abstraction is the concept of hiding complex implementation details and showing only the necessary information. Polymorphism allows objects of different classes to be treated as objects of a common superclass.
• Abstraction involves creating a simplified view of an object by hiding unnecessary details.

• Polymorphism allows a single interface to be used for different data types or classes.

• Example of abstraction: A car dashbo...read more
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Technical discussions

Q1. MBD questions on software modules
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Q1. What is weak HashMap?
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WeakHashMap is a type of HashMap in Java that allows garbage collection of its keys.
• WeakHashMap is used when we want to associate additional data with an object without affecting its garbage collection.

• It is not suitable for caching purposes as the keys can be removed at any time by the garbage collector.

• WeakHashMap is slower than HashMap due to the extra work required for garbage collection.

• Example: Storing additional...read more
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Q2. How to override a constructor? What is hashcode and equals? Why we go for comparator? Without wait and notify how to solve consumer and producer problem? What is downcasting? Springboot annotation What is...read more
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Technical interview questions on Java and Springboot
• To override a constructor, create a new constructor with the same name and parameters in the subclass

• Hashcode and equals are methods used for comparing objects in Java. Hashcode returns an integer value while equals returns a boolean value

• Comparator is used to sort objects based on custom criteria. It is used when the natural ordering of objects is not suitable

• Consume...read more
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