How should I concatenate strings?

Question

Are there differences between these examples? Which should I use in which case?

var str1 = \"abc\" + dynamicString + dynamicString2;

var str2 = String.Form         


        

Answer 1

@ Jerod Houghtelling Answer

Actually String.Format uses a StringBuilder behind the scenes (use reflecton on String.Format if you want)

I agree with the following answer in general