Collabera Technologies Software Engineer Interview Questions and Answers

CI/CD flow stands for Continuous Integration/Continuous Deployment flow, which is a software development practice where code changes are automatically built, tested, and deployed.

• CI/CD flow involves automating the process of integrating code changes into a shared repository, running automated tests, and deploying the changes to production.

• Continuous Integration (CI) focuses on automating the build and testing of code c...read more

Enums are a feature in programming languages that allow you to define a set of named constants.

• Enums can be used to improve code readability by giving meaningful names to values

• Enums can be used in switch statements to handle different cases

• Enums can have associated values or raw values for more flexibility

Yes, Singleton handles synchronization by ensuring only one instance of a class is created and providing global access to that instance.

• Singleton pattern restricts the instantiation of a class to one object.

• It provides a global point of access to the instance.

• Synchronization can be implemented in the Singleton pattern to ensure thread safety.

• Example: Singleton pattern is commonly used in database connections to ensure ...read more

External libraries are pre-written code that can be imported and used in a project to provide additional functionality.

• External libraries help in reducing development time by providing ready-made solutions for common tasks.

• Examples include React for front-end development, NumPy for scientific computing in Python, and Retrofit for making network calls in Android apps.