Publicis Sapient Engineering Intern Interview Questions, Process, and Tips

It is an assessment on OOPS,DSA,DBMS and coding questions

Q1. General OOPS concepts
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Q2. What is interface
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An interface is a point where two systems, subjects, organizations, etc., meet and interact with each other.
• An interface defines the methods that a class must implement, without specifying how they should be implemented.

• Interfaces allow for multiple inheritance in programming languages like Java.

• Examples of interfaces in programming include Java interfaces, USB ports on electronic devices, and user interfaces on softwa
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Q3. What are pillars of OOPS
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The pillars of OOPS (Object-Oriented Programming) are Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance allows a class to inherit properties and behavior from another class. For example, a 'Car' class can inherit from a 'Vehicle' class.

• Encapsulation refers to the bundling of data with the methods that operate on that data. It restricts access to some of an object's components. For example, using pri...read more
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Food fill problem from leetcode

Q1. Asked about data structures and algorithms, interview went smoothly because of great intervier.
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Q2. Insertion sort algorithm
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Insertion sort is a simple sorting algorithm that builds the final sorted array one item at a time.
• Iterate through the array starting from the second element

• Compare each element with the elements before it and insert it in the correct position

• Repeat until the entire array is sorted

• Example: ['3', '1', '4', '1', '5', '9', '2', '6'] -> ['1', '1', '2', '3', '4', '5', '6', '9']
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3 hours, had aptitude questions, then one dsa question and one question on fetching API data.

Q1. Single Buy Sell Stock.
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Q2. Optimize the Solution
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Optimizing a solution involves identifying and implementing improvements to increase efficiency and effectiveness.
• Analyze the current solution to identify areas for improvement

• Consider alternative approaches and technologies

• Implement changes and measure the impact on performance

• Continuously iterate and refine the solution

• Example: optimizing a manufacturing process to reduce waste and increase output
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Q3. Add error-handling mechanisms
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Error-handling mechanisms are essential for robust software. They help prevent crashes and improve user experience.
• Identify potential errors and exceptions

• Implement try-catch blocks

• Use logging to track errors

• Provide informative error messages to users

• Test error-handling thoroughly

• Consider using third-party libraries for error-handling

• Document error-handling procedures
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Q1. How do you work in a team, what are your methods of learning etc..
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I work well in teams by actively listening, collaborating, and continuously learning.
• I actively listen to my team members to understand their perspectives and ideas.

• I collaborate effectively by sharing my own ideas and being open to feedback.

• I continuously learn by seeking out new knowledge and skills to contribute to the team's success.
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