@Override
	public String skip_spaces(String str){
		String[] split = str.split(" ");
		if(split.length > 0){
			String output = split[0];
			for(int index = 1; index < split.length; index++){
				if(split[index].length() > 0) output += " " + split[index];
			}
			return output;
		}
		else return "";
	}