Method lines

core/src/main/java/org/apache/calcite/util/Util.java:1511–1513

Converts a list of strings to a string separated by newlines.

(Iterable<String> strings)

  /** Converts a list of strings to a string separated by newlines. */
  public static String lines(Iterable<String> strings) {
    return toString(strings, "", "\n", "");
  }

  /** Converts a string into tokens. */
  public static Iterable<String> tokenize(final String s, final String delim) {