Strings Lower/UpperCase

Hi

I'm just screwing around with strings. I just managed to reverse a string using a "for" loop. I managed to convert chars from lower to uppercase and vice versa, but now I can't manage to convert particular chars in the string from upper to lowercase. For example let's say, I want to convert "HaLLoWeeN" to "hAllOwEEn", do you have any ideas ?

Check out the API for the Character class as it has some useful methods that you'll be able to use such as isUpperCase(char ch).