char key = keyword.charAt(0); if(!Character.isLetter(key)) key = 26; else key = (char)(Character.toUpperCase(key) - 'A');
int key = keyword.charAt(0) % 26;
	public void add(String keyword, String id)	{		char key = keyword.charAt(0);		if(!Character.isLetter(key))			key = 26;		else			key = (char)(Character.toUpperCase(key) - 'A');		map[key] = new Keyword(keyword,id,map[key]);	}