package cs235.javaskills;

public class FileIO
{
	/**
	* Loads a set of Pair objects stored in the specified file and returns them as a PairSet object.
	* 
	* @param fileName The name of the file to be loaded
	* @return a reference to a PairSet object, which has the points that were read in from the file.
	*      If the file cannot be opened or the contents of the file are invalid, null is returned
	* @throws IllegalArgumentException if fileName is null
	*/
	public static PairSet loadPointFile(String fileName)
	{
		return null;
	}

	/**
	* Saves a PairSet to a file, in the form specified in the lab write-up.
	* 
	* @param points The PairSet object containing the Pair objects to be saved to fileName.
	* @param fileName the name of the file to be saved
	* @return true if the Pair objects were successfully written to the file,
	*         or false if an error occurred
	* @throws IllegalArgumentException if points and/or fileName is null
	*/
	public static boolean savePointFile(PairSet points, String fileName)
	{
		return false;
	}
}