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class Main { | |
public static void main(String[] args) { | |
String original = "Yo soy una simple cadena en Java :)"; | |
System.out.println("Original: " + original); | |
String capitalizada = capitalizar(original); | |
System.out.println("Capitalizada: " + capitalizada); | |
} | |
public static String capitalizar(String cadena) { | |
// Separar palabras de la cadena | |
String[] separadaPorEspacios = cadena.split(" "); | |
StringBuilder sb = new StringBuilder(); | |
for (int indice = 0; indice < separadaPorEspacios.length; indice++) { | |
String palabra = separadaPorEspacios[indice]; | |
// De la palabra, primero agregar la primera letra ya convertida a mayúscula | |
char primeraLetra = palabra.charAt(0); | |
sb.append(Character.toUpperCase(primeraLetra)); | |
// Luego agregarle "lo sobrante" de la palabra | |
sb.append(palabra.substring(1)); | |
// Y si no es el último elemento del arreglo, le añadimos un espacio | |
if (indice < separadaPorEspacios.length - 1) | |
sb.append(" "); | |
} | |
// Finalmente regresamos la cadena | |
return sb.toString(); | |
} | |
} |
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