The difference between system.text.stringbuilder and string or system.stringsystem.string and string keywords are the same, and you can use whichever naming convention you prefer. essentially, string ...

Join strings using String.Join vs. StringBuilder.AppendJoin in C# When you’re joining strings, use StringBuilder.AppendJoin in lieu of String.Join for reduced allocations.

Take advantage of best practices for using StringBuilder to reduce memory allocations and improve the performance of your string operations. Strings are immutable types in .NET. Whenever you ...