Method Detail

• length

  int length()

  Returns the number of characters in this sequence.

  Returns:

  the number of characters.

• charAt

  char charAt(int index)

  Returns the character at the specified index, with the first character having index zero.

  Parameters:

  index - the index of the character to return.

  Returns:

  the requested character.

  Throws:

  IndexOutOfBoundsException - if index < 0 or index is greater than the length of this sequence.

• subSequence

  CharSequence subSequence(int start,
                           int end)

  Returns a CharSequence from the start index (inclusive) to the end index (exclusive) of this sequence.

  Parameters:

  start - the start offset of the sub-sequence. It is inclusive, that is, the index of the first character that is included in the sub-sequence.

  end - the end offset of the sub-sequence. It is exclusive, that is, the index of the first character after those that are included in the sub-sequence

  Returns:

  the requested sub-sequence.

  Throws:

  IndexOutOfBoundsException - if start < 0, end < 0, start > end, or if start or end are greater than the length of this sequence.

• toString

  String toString()

  Returns a string with the same characters in the same order as in this sequence.

  Overrides:

  toString in class Object

  Returns:

  a string based on this sequence.