Java Basic - KelasString part 3

/**
 *
 * @author ardie
 */
public class KelasString3 {
    public static void main(String[] args) {
        FungsiManipulasiKarakter call = new FungsiManipulasiKarakter();
        call.FungsiSplit();
        call.FungsiIndexOf();
        call.StringToArray();
    }
}

class FungsiManipulasiKarakter {
    public void FungsiSplit() {
        String str = "one-two-three";
        String[] temp;
        String delimiter = "-";
        temp = str.split(delimiter);
        for (int i = 0; i < temp.length; i++) {
            System.out.println("Array ke : " + i + ": " + temp[i]);
        }
        System.out.println("- - - - - - - - - - - - - - -");
    }

    public void FungsiIndexOf() {
        String kata = "Hello world Hello World";
        int intIndex = kata.indexOf("Hello");
        if (intIndex == -1) {
            System.out.println("Hello not found");
        } else {
            System.out.println("Found Hello at index : " + intIndex);
        }
        System.out.println("- - - - - - - - - - - - - - -");
    }

    public void StringToArray() {
        String nama = "Ardie Jocong";
        char[] stringArray;
        stringArray = nama.toCharArray();
        for (int index = 0; index < stringArray.length; index++) {
            System.out.print(stringArray[index] + " ");
        }
        System.out.println("\n- - - - - - - - - - - - - - -");
    }
}

Output :

Array ke : 0: one
Array ke : 1: two
Array ke : 2: three
- - - - - - - - - - - - - - -
Found Hello at index : 0
- - - - - - - - - - - - - - -
A r d i e   J o c o n g
- - - - - - - - - - - - - - -