CGI Group Full Stack Software Developer Interview Questions and Answers

Main command on JAVA script and python

What assignments and projects you had done before share that experience

Your theories on what topics you had done your best

Q1. That some personal questions and their your preference answers that suitable for your job
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Q2. Give us the reasons why we should not select for the job
Ans. 
Lack of relevant experience and skills
• Limited experience in full stack development

• Lack of proficiency in required programming languages and frameworks

• Inadequate knowledge of database management systems

• Weak problem-solving and analytical skills

• Poor communication and collaboration abilities
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Oops concept, basic javascript and react js coding question

Q1. React js and asp.net basic interview questions
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Q1. I applied online for the post of software developer, interview was conducted by First IPO on behalf of Mindtree.
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Q2. Basics of OOPs, program o find out prime number, basic coding problem asks for output, closure, arrays in JavaScript
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Q1. Check whether a given graph is cyclic
Ans. 
To check if a graph is cyclic, use depth-first search to detect back edges.
• Perform a depth-first search on the graph and keep track of visited nodes and parent nodes.

• If a visited node is encountered with a parent different from the current node, then the graph contains a cycle.

• Example: For a graph with edges (A, B), (B, C), (C, A), the graph is cyclic.
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Q2. Factory design pattern question
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Q1. What is concurrent hashmap
Ans. 
ConcurrentHashMap is a thread-safe implementation of the HashMap class in Java.
• ConcurrentHashMap allows multiple threads to read and write to the map concurrently without causing any data corruption.

• It achieves thread-safety by dividing the map into segments, each of which can be locked independently.

• ConcurrentHashMap is more efficient than using synchronized collections for concurrent access.

• Example: ConcurrentHashMap
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Q2. How is dependency injection different from dependency inversion
Ans. 
Dependency injection is a design pattern where dependencies are provided to a class from the outside, while dependency inversion is a principle that states high-level modules should not depend on low-level modules, but both should depend on abstractions.
• Dependency injection is a technique to achieve dependency inversion.

• Dependency injection involves providing dependencies to a class from the outside, typically through ...read more
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Q3. If I add 2 same attribute values for a object to a set...will I see 2 objects in the set, if yes what changes you make to the code to insert unique objects to a set
Ans. 
No, you will not see 2 objects in the set. To insert unique objects to a set, you can override the equals() and hashCode() methods in the object class.
• In a set, each element must be unique based on the equals() method. If you add 2 objects with the same attribute values, only one will be stored in the set.

• To ensure uniqueness, override the equals() and hashCode() methods in the object class. This will define how object...read more
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Q4. What is serialisation, externalisation, serializable
Ans. 
Serialisation is the process of converting an object into a format that can be easily stored or transmitted. Externalisation is a way to customize the serialization process. Serializable is an interface in Java that allows objects to be serialized.
• Serialisation is the process of converting an object into a format that can be easily stored or transmitted

• Externalisation is a way to customize the serialization process

• Seri...read more
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Q5. Write a Generic method to add string or integer to List or List
Ans. 
Create a generic method to add string or integer to List or List
• Create a generic method that takes a List and an element as input

• Use Java generics to specify the type of List and element

• Check the type of List and element, then add the element to the List
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Good morning sir have a you sir my name is hemant Ramchandra narkhede

Java script simple frame

Q1. What are the different data types present in javascript?
Ans. 
JavaScript has several data types including string, number, boolean, object, function, undefined, and null.
• String: 'hello', '123'

• Number: 123, 3.14

• Boolean: true, false

• Object: { key: 'value' }

• Function: function() { }

• Undefined: undefined

• Null: null
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Q2. Difference between var and let keyword in javascript.
Ans. 
var is function-scoped while let is block-scoped in JavaScript.
• var keyword is function-scoped, meaning it is accessible throughout the function it is declared in.

• let keyword is block-scoped, meaning it is only accessible within the block it is declared in.

• Using var can lead to variable hoisting issues, while let provides more predictable behavior.

• let allows for better variable scoping and reduces the risk of unintended
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Q1. What are the advantages of pair programming?
Ans. 
Pair programming promotes collaboration, knowledge sharing, and code quality.
• Enhances code quality through immediate code review and feedback

• Promotes knowledge sharing and learning from each other

• Fosters collaboration and teamwork

• Reduces the likelihood of bugs and errors

• Increases productivity by leveraging two minds on the same problem

• Helps in breaking down complex problems into smaller tasks

• Improves communication skil
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Q2. How do you handle constructive feedback about your full-stack development projects?
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Q1. How do you identify bugs in your code?
Ans. 
I use a combination of manual testing, unit testing, and debugging tools to identify bugs in my code.
• Perform manual testing by running the code and checking for any unexpected behavior or errors.

• Write unit tests to verify the functionality of individual components and catch any issues early on.

• Utilize debugging tools like breakpoints, logging, and stack traces to track down the root cause of bugs.

• Collaborate with team ...read more
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Q2. How long have you been coding primarily in Python?
Ans. 
I have been coding primarily in Python for 5 years.
• I started learning Python in college and have been using it extensively in my professional career.

• I have worked on various projects using Python, including web development, data analysis, and automation.

• I am proficient in Python libraries such as NumPy, Pandas, and Django.
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HR round full stack developer experience

Best atitude round questions

Q1. What is dependency injection
Ans. 
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing and swapping of dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.
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Q2. What is solid principles
Ans. 
SOLID principles are a set of five design principles that help developers create more maintainable and scalable software.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses with...read more
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1st round was mixture of aptitude and some psuedo code and the time given was 90 mins for 90 questions.

After clearing the cuttoff there will be 2 coding question one for easy level second will be medium level.

Q1. Ai based english vocabolary and listening test
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Q1. This round was the easiest of all just basic questions
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Q2. Oops related question
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Q3. Project discussion based questions.
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Q4. Do you know something about modern technologies.
Ans. 
Yes, modern technologies are constantly evolving and I keep myself updated with the latest trends.
• I am familiar with cloud computing platforms like AWS, Azure, and Google Cloud

• I have experience with containerization using Docker and Kubernetes

• I am proficient in programming languages like Python, JavaScript, and Java

• I have worked with modern front-end frameworks like React and Angular

• I am familiar with DevOps practices ...read more
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Q5. Have any questions for me.
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