Method split

guava/src/com/google/common/base/Splitter.java:366–383

Splits {@code sequence} into string components and makes them available through an {@link Iterator}, which may be lazily evaluated. If you want an eagerly computed {@link List}, use {@link #splitToList(CharSequence)}. Java 8+ users may prefer {@link #splitToStream} instead. @param sequence the sequ

(CharSequence sequence)

   * @return an iteration over the segments split from the parameter
   */
  public Iterable<String> split(CharSequence sequence) {
    checkNotNull(sequence);

    return new Iterable<String>() {
      @Override
      public Iterator<String> iterator() {
        return splittingIterator(sequence);
      }

      @Override
      public String toString() {
        return Joiner.on(", ")
            .appendTo(new StringBuilder().append('['), this)
            .append(']')
            .toString();
      }
    };
  }

  private Iterator<String> splittingIterator(CharSequence sequence) {
    return strategy.iterator(this, sequence);