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- public static boolean esVocal(char c) {
- return "AEIOUaeiou".indexOf(c) != -1;
- }
- public String ordenarvocales(String cadena) {
- if (cadena == null) {
- return cadena;
- }
- StringBuilder result = new StringBuilder(cadena);
- ArrayList<Integer> PosicionVocales = new ArrayList<>();
- ArrayList<Character> vocales = new ArrayList<>();
- for (int pvocal = 0; pvocal< cadena.length(); pvocal++) {
- char vocalActual = cadena.charAt(pvocal);
- if(esVocal(vocalActual)) {
- PosicionVocales.add(pvocal);
- vocales.add(vocalActual);
- }
- }
- Collections.sort(vocales);
- for(Integer PosicionVocal : PosicionVocales) {
- char vocal = vocales.remove(0);
- result.setCharAt(PosicionVocal , vocal);
- }
- return result.toString();
- }
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