protected int calculateLength() {
		int len = 0;
		for (int i = 0; i < index; i++) {
			len += array[i].length();
		}
		return len;
	}
protected int calculateLength() {
		int len = 0;
		for (int i = 0; i < index; i++) {
			len += array[i].length();
		}
		return len;
	}
protected int calculateLength ( ) { int len = 0 ; for ( int i = 0 ; i < index ; i ++ ) { len += array [ i ] . length ( ) ; } return len ; }
Calculates string length.
Calculates string length .