AccorHotels Senior Software Engineer Interview Questions and Answers

There were 3 coding questions totally based on dsa- hard

Q1. Vertical Traversal
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Q2. Find the node with shortest distance
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Use Dijkstra's algorithm to find the node with the shortest distance in a graph.
• Implement Dijkstra's algorithm to calculate the shortest distance from a starting node to all other nodes in the graph.

• Select the node with the smallest distance that has not been visited yet as the current node.

• Update the distances of neighboring nodes from the current node if the new distance is smaller than the previously recorded distan...read more
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Q1. Question based on oops
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Q2. Question based on OS
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Q1. Use of model in laravel
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Models in Laravel are used to interact with the database and represent data.
• Models in Laravel are used to perform database operations such as retrieving, inserting, updating, and deleting data.

• Models help in organizing and structuring the data in the application.

• Models in Laravel follow the MVC (Model-View-Controller) pattern.

• Example: Creating a User model in Laravel to interact with the users table in the database.
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Q2. SQL get highest salary for employee
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Q1. SQL joins and types of joins
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SQL joins are used to combine rows from two or more tables based on a related column between them.
• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN returns all rows from the right table and the matched rows from the left table.

• F...read more
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Q2. What is self join and realted question
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Q1. Previous projects and contributions
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Q1. One of the worst company don't go for interview.
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Q1. No technical only cleaning cleaning we are not a employees we are labour's
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Q1. There is nothing only cleening 😞
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DSA , medium n easy leetcode question was there

Q1. Low level design
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Q2. DSA and computer fundamental
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Q1. Basic Php ,Oops
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Q1. Security questions
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Do you think social media is a good platform?

DSA questions:
1. Replace array of 1s and 0s with 0s in all rows and cols
2. Kandane's algo question

Q1. What is db cluster
Ans. 
A db cluster is a group of databases that work together to provide high availability and scalability.
• Consists of multiple database instances working together

• Provides redundancy and fault tolerance

• Allows for load balancing and scaling

• Examples: Amazon Aurora, Google Cloud Spanner
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Q2. Java collections, filters vs interceptors
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Filters and interceptors are used in Java collections to manipulate or control the flow of data.
• Filters are used to selectively include or exclude elements from a collection based on certain criteria.

• Interceptors are used to perform actions before or after certain operations on a collection.

• Examples: Java 8 Stream API filters, Servlet filters for HTTP requests, Hibernate interceptors for database operations.
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Q1. Tell me about yourself.
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Q2. What are ur salary expectations
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Q3. What is ur family backroung
Ans. 
My family background is diverse and multicultural.
• My parents are from different countries and cultures.

• I grew up speaking multiple languages at home.

• My family values education and hard work.

• I have siblings who are also pursuing careers in technology.
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Q4. Why should we hire u
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