public String[] datosAleatorios(T[] a, int tamaño) {
ArrayList<String> aux = new ArrayList();
String[] b = new String[tamaño];
Random rnd = new Random();
int i = 0;
T elem = a[rnd.nextInt(a.length)];
while (i < tamaño) {
if (!aux.contains(elem.toString())) {
aux.add(elem.toString());
i++;
}
elem = a[rnd.nextInt(a.length)];
}
return aux.toArray(b);
}
public static <T> String fmtList(final List<T> list) {
String result = "";
for (T item : list) {
result += item.toString() + "\n";
}
return result;
}
public <T> void logMany(final PrintStream stream, final Collection<T> list) {
final String[] a = new String[list.size()];
int i = 0;
for (T e : list) {
a[i++] = e.toString();
}
Arrays.sort(a);
for (String o : a) {
stream.println(o);
}
}