示例#1
0
  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);
      }
    }