B8 Day 11 String Method Practice

package mattroseb8wk2;

public class Day11D {
    public static void main(String[] args) {
        String title1 = "Ibong Adarna, Florante at Laura, Noli Me Tangere, El Filibusterismo";
        int totalVowel = 0;

        System.out.println(title1.charAt(10));
        for (int i = 0; i < title1.length(); i++) {
//            System.out.println(title1.charAt(i));
            switch (title1.toLowerCase().charAt(i)){
                case 'a':
                case 'e':
                case 'i':
                case 'o':
                case 'u':
                    totalVowel++;
            // maglagay kayo ng case dito para mabilang lahat ng vowel aeiou
            }
        }
        System.out.println("Total vowels(lowercase): " + totalVowel);
        System.out.println(title1.toLowerCase());

        System.out.println("\n-------------\n");

        int currIdx = 0;
        System.out.println("A:" + title1.indexOf("A"));
        System.out.println("a:" + title1.indexOf("a"));
        currIdx = title1.indexOf("a", currIdx);
        System.out.println("a:" + title1.indexOf("a", currIdx));
        currIdx = title1.indexOf("a", currIdx);
        System.out.println("a:" + title1.indexOf("a", currIdx));
        currIdx = title1.indexOf("a", currIdx);
        System.out.println("a:" + title1.indexOf("a", currIdx));

    }

}