public String toString() {
    final StringBuilder builder = new StringBuilder("[");
    for (int i = 0; i < myComputedWeighs.length; i++) {
      if (i != 0) builder.append(", ");
      builder.append(myWeighers[i]);
      builder.append("=");
      builder.append(myComputedWeighs[i]);
    }
    return builder.append("]").toString();
  }
public String toString()