Difference between Initializing string with new and “ ”

Question

Which one is correct and why:

String dynamic = new String();
dynamic = \" where id=\'\" + unitId + \"\'\";

Or

String dynamic = \" where id=\'\" + unitId + \"         


        

Answer 1

I guess the below will be good

String str; // Just declares the variable and the default will be null. This can be done in global scope or outer scope

str = "where id" + unitID + "'"; // Initializing string with value when needed. This will be done in the inner scope.

If declaration and initialization done in a line where the initialization contains dynamic text (unitID in your case) you can't do it globally. If Scope of the variable is not an issue then u may go ahead. Cheers!!