CGI Group Software Engineer Interview Questions, Process, and Tips

To prevent Singleton from being broken by cloning, we can override the clone method and throw an exception.

• Override the clone method in the Singleton class and throw an exception to prevent cloning.

• Alternatively, you can return the same instance in the clone method instead of creating a new instance.

• Use serialization and deserialization to create a new instance of the Singleton class.

Use streams to remove repeating letters in a string

• Convert the string to a character array

• Use a stream to filter out repeating characters

• Collect the characters back into a string

Visual Studio project creation involves several steps to set up a new project.

• Open Visual Studio IDE

• Click on 'File' > 'New' > 'Project'

• Select the project type (e.g. Console Application, Web Application)

• Choose the programming language (e.g. C#, VB.NET)

• Specify project name, location, and solution name

• Click 'Create' to generate the project files

Creating a new project in Visual Studio involves navigating to File > New > Project and providing a name for the project.

• Navigate to File menu in Visual Studio

• Select New option

• Choose Project option

• Enter a name for the project

Developing a real-time chat application with WebSocket technology

• Implemented WebSocket protocol for real-time communication

• Faced challenges with handling large volumes of concurrent connections

• Optimized code for efficient message delivery and latency reduction

OOP concept focuses on creating objects that interact with each other. Interface is a contract for classes to implement, while abstract class can have some implemented methods.

• OOP concept involves creating objects that have properties and methods to interact with each other

• Interface is a contract that defines a set of methods that a class must implement

• Abstract class can have some implemented methods along with abstrac