public int wordCount(String s1)
	{
		String check = new String();
		int counter = 0;
		for (int i = 0; i <this.str.length() -  (s1.length() +1); i++)	//iterates through big strings length - little strings length so little string has room to iterate
		{
			check = this.str.substring(i,(i+s1.length()));	//check = a three letter substring ; changes every iteration
			if(check.equals(s1))	//checks equality
			{
				if ((this.str.charAt(s1.length() +1) == ' ' || this.str.charAt(s1.length() +1) == '.') && (this.str.charAt(i-1) == ' ' || i == 0))	//checks if there is a space afterwards or a period afterwards AND whether there is a space before or it is the first word
				{
					counter++;		//increments counter
				}
			}
		}
		return counter;
	}