1. C# 12 – Primary Constructors C# 12 introduced primary constructors, allowing for a more concise syntax when defining classes with parameters. This feature simplifies class definitions by enabling parameter declarations directly in the class header. csharpCopyEditpublic class User(string firstName, string lastName){ public string FullName => $”{firstName} {lastName}”;}var user = new User(“Jane”, “Doe”);Console.WriteLine(user.FullName); // Output: […]

C# 13 and .NET 9 introduce several noteworthy features that enhance development efficiency and performance. Here’s a concise overview: 1. New Lock Object The introduction of System.Threading.Lock provides a dedicated type for mutual exclusion, replacing the traditional use of object instances. This change leads to cleaner, more readable code and potential performance improvements. The Lock.EnterScope()