CGI Group Interview Questions, Process, and Tips

Program to reverse a string using array of characters

• Create an array of characters to store the input string

• Iterate through the input string and store each character in the array

• Iterate through the array in reverse order to construct the reversed string

Multi threading concept involves running multiple threads simultaneously to improve performance and responsiveness.

• Allows multiple tasks to be executed concurrently

• Improves performance by utilizing multiple CPU cores

• Requires synchronization to prevent data corruption

• Examples: Java threads, Python threading module

Python pytest is a testing framework that makes it easy to write simple and scalable tests.

• Python pytest is a testing framework for writing simple and scalable tests in Python.

• It allows for easy test setup, execution, and reporting.

• Pytest fixtures can be used to set up preconditions for tests.

• Parametrize decorator can be used for data-driven testing.

• Assertions can be made using assert statements.

• Plugins can be used to

JDBC is a low-level API for connecting to databases in Java, while Hibernate is a high-level ORM framework that simplifies database interactions.

• JDBC requires writing SQL queries manually, while Hibernate provides an object-oriented approach to database operations.

• Hibernate handles mapping Java objects to database tables, while JDBC requires manual mapping.

• Hibernate provides caching mechanisms for improved performance,...read more

Conflict resolution involves understanding the root cause, active listening, finding common ground, and facilitating open communication.

• Identify the root cause of the conflict

• Practice active listening to understand all perspectives

• Find common ground and areas of agreement

• Facilitate open communication and encourage dialogue

• Use techniques like mediation or negotiation if necessary