/**
* An interface for making objects easy to sort Radixably.
* @author Andrew Coleman
*/
public interface Radixable {
/**
* The only method needed to sort objects Radixably.
* Preconditions: An index in the name that is being used to sort.
* Postconditions: Returns a char at the index, or a space if the index is invalid.
*/
public char getRadixChar(int index);
}