public final <A extends Appendable> A appendTo(A appendable, Object[] parts) throws IOException {
    return appendTo(appendable, Arrays.asList(parts));
  }
public final < A extends Appendable > A appendTo ( A appendable , Object [ ] parts ) throws IOException { return appendTo ( appendable , Arrays . asList ( parts ) ) ; }
Appends the string representation of each of {@code parts}, using the previously configured
separator between each, to {@code appendable}.