Colruyt Group Intern Interview Questions and Answers

5G technology, 2 mins to prepare, Calls out name and then we have to turn on camera and speak.

Impact of E-commerce on bricks and motors

Q1. Introduce Yourself
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I am a recent graduate with a degree in Computer Science and a passion for software development.
• Graduated with a Bachelor's degree in Computer Science

• Proficient in programming languages such as Java, Python, and C++

• Completed internships at tech companies like Google and Microsoft

• Interested in machine learning and artificial intelligence
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Q2. Research Internship based questions on python which I mentioned in my Resume
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Q3. Doctype Html - Why is it mentioned? HTML - Inline and block elements
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Q4. What is OOP? Explain its five pillars.
Ans. 
OOP stands for Object-Oriented Programming. Its five pillars are encapsulation, inheritance, polymorphism, abstraction, and composition.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Creating new classes by inheriting attributes and methods from existing classes.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Abstrac...read more
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Q5. SQL - Select query syntax and types of join
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SQL select query syntax and types of join
• SQL SELECT query syntax: SELECT column1, column2 FROM table_name WHERE condition

• Types of joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN

• Example: SELECT orders.order_id, customers.customer_name FROM orders INNER JOIN customers ON orders.customer_id = customers.customer_id
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Q6. JAVA - DSA Questions 1. For range 1 to 100, if number divisible by 3 print "Zig", if number divisible by 5 print "Zag" and if divisible by both print "Zig-Zag". 2. Find second largest element in a given ar...read more
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Code and aptitude round it was.

Q1. Basic job related and programming questions
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Q1. In depth problem statements
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Q1. Problem statements and cv diving.
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Q1. Basic behavioral ques
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Online assignment questions was easy

Q1. Java MySQL spring questions asked
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GD was amazing we were asked to talk on that particular topic for 5 min.

In second GD round we were given a topic , first group of 5 clusters were made and then very individual were given chance to speak

Q1. What is polymorphish
Ans. 
Polymorphish is a term used to describe the ability of a programming language to allow different data types to be used interchangeably.
• Polymorphish allows for flexibility in coding by allowing variables to hold different types of data.

• It is a key feature in object-oriented programming languages like Java and C++.

• For example, a function can accept different types of parameters and return different types of values based
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Q2. What is overriding
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Overriding is a concept in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its superclass.
• Overriding allows a subclass to provide a specific implementation of a method that is already defined in its superclass.

• The method in the subclass must have the same name, return type, and parameters as the method in the superclass to override it.

• Example: clas...read more
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