for loop to find consonants in a string

Question

Using a for loop, how do I go about making all consonants in a string uppercase?

I think I should do something like this:

    String str = \"fish$\"             


        

Answer 1

This works for me:

     List constants = Arrays.asList('f', 's', 'h');
     String str = "fish$";

     for (Character c : constants) {             
           str = str.replace(c, Character.toUpperCase(c));
      }