CGI Group Software Engineer Interview Questions, Process, and Tips

Our current project architecture follows a microservices approach.

• We use Docker containers to deploy each microservice.

• We have a centralized API gateway to handle requests and routing.

• We use Kubernetes for orchestration and scaling.

• We use a combination of NoSQL and SQL databases depending on the service's needs.

Code to find number of occurrences of a word in a string

• Split the string into an array of words

• Loop through the array and count the occurrences of the given word

MySql supports four types of joins: INNER, LEFT, RIGHT, and FULL OUTER.

• INNER JOIN returns only the matching rows from both tables.

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

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

• FULL OUTER JOIN returns all the rows from both tables, with NULL values in the columns where there is no match.

• ...read more

Java 8 introduced several new features including lambda expressions, streams, and default methods.

• Lambda expressions allow for functional programming and simplify code.

• Streams provide a way to process collections of data in a functional way.

• Default methods allow for adding new methods to interfaces without breaking existing code.

• Date and time API improvements.

• Nashorn JavaScript engine.

• Parallel operations on collections...read more

Rest Controller is used for RESTful web services while Controller is used for general web applications.

• Rest Controller is used for creating RESTful web services that can consume and produce JSON, XML, etc.

• Controller is used for general web applications that render views and handle form submissions.

• Rest Controller uses @RestController annotation while Controller uses @Controller annotation.

• Rest Controller methods return...read more