What is ci cd testing?

Continuous integration is a development automation method that is always referred to as “CI” in CI/CD. A successful CI involves building, testing, and merging new code changes to an app into a shared repository on a regular basis. It addresses the issue of having too many potentially incompatible branches of an app in development at the same time.

More here https://kodershop.com/blog/review_of_the_best_cd_ci_tools/

C# – What is DataType used for?

C#, similar to C++ and Java is a strongly typed language. In a strongly typed language, we must provide a variable type to indicate what type of data we are going to store. For Ex: integer, money, text, float etc.

Ex:
int myCounter = 0;
string firstname = “First”;