Top-level program example in C# 9.0 Let’s look at a before-and-after example of how top-level programs can eliminate boilerplate code.

The as operator in C# allows you to explicitly convert the result of an expression to a given reference type or a nullable value type. If the conversion isn’t possible, as returns null.

Both parallel programming and asynchronous programming are examples of concurrent programming, meaning more than one operation is running at the same time. Parallel programming is a more specific form ...