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

I've just written it.

Output: FiSH$

Works for any word ! ;)

API method: printStringWithUpperConsonant

   import java.util.HashSet;
   import java.util.Set;

   public class ConsonantUtils {

        private Set vowels = getVowels();

        private String analysedString;

        public ConsonantUtils(String analysedString) {
            this.analysedString = analysedString;
        }

        public static void main(String[] args) {
            new ConsonantUtils("fish$").printStringWithUpperConsonant();
        }

        public void printStringWithUpperConsonant() {
            for (int i = 0; i < getAnalysedString().length(); i++) {
                printChar(getCurrentChar(i));
            }
        }

        private char getCurrentChar(int i) {
            return getAnalysedString().charAt(i);
        }

        private void printChar(char currentChar) {
            if (isConsonant(currentChar)) {
                System.out.print(makeCharUpperCase(currentChar));
            }
            else{
                System.out.print(currentChar);
            }
        }

        private Set getVowels() {
            Set vowels = new HashSet();
            vowels.add('a');
            vowels.add('e');
            vowels.add('i');
            vowels.add('o');
            vowels.add('u');
            return vowels;
        }

        private char makeCharUpperCase(char character) {
            return Character.toUpperCase(character);
        }

        private boolean isConsonant(char currentChar) {
            return !vowels.contains(currentChar);
        }

        private String getAnalysedString(){
            return analysedString;
        }
    }