default String toString(
		final String prefix,
		final String separator,
		final String suffix
	) {
		return stream()
			.map(Objects::toString)
			.collect(joining(separator, prefix, suffix));
	}
Create a string representation of the given sequence.

@param prefix the prefix of the string representation; e.g {@code '['}.
@param separator the separator of the array elements; e.g. {@code ','}.
@param suffix the suffix of the string representation; e.g. {@code ']'}.
@return the string representation of this sequence.
jenetics/src/main/java/io/jenetics/util/Seq.java