Originally Posted by cpjust
That's one of the functions of an IDE; but a good IDE also highlights code syntax, takes you directly to the lines causing compile errors, lets you debug code, does auto-completion as you type names of functions, has integrated help about classes/functions where you can just click on the name of the class/function and press a key to learn how to use it, shows you the type of a variable when you put your mouse over the variable name... All very useful things to have when programming.