//GenericMappingArraysSolution.java

import java.util.Scanner;

public class GenericMappingArraysSolution
{
    public static <MapType extends Comparable<MapType>>
    MapType getMapping
    (
        MapType mapMe,
        MapType[] mappings
    )
    {
        MapType result;
        int i;
        int len;
        boolean keepLooking;

        result = mapMe;
        len = mappings.length;
        keepLooking = true;

        System.out.println();
        System.out.print("Mapping range: ");
        for (i = 0; i < len; ++i)
        {
            System.out.print(mappings[i] + "  ");
        }
        System.out.println();

        i = 0;      // Restart counting
        while ((i < len) && keepLooking)
        {
            if (mapMe.compareTo(mappings[i]) <= 0)
            {
                result = mappings[i];
                keepLooking = false;
            }
            else
            {
                ++i;
            }
        }
        System.out.println(mapMe + " is mapped to " + result);

        return result;
    }

    // ***********************************************************************

    public static void main(String [] args)
    {
        Scanner scnr = new Scanner(System.in);

        // Declare various types to use to call getMapping

        Integer mapInt;
        Integer mapIntResult;
        Integer [] mapIntMappings = { 100, 200, 300, 400, 500, 600 };

        Double mapDouble;
        Double mapDoubleResult;
        Double [] mapDoubleMappings = { -12.0, -6.0, 0.0, 6.0, 12.0 };

        String mapString;
        String mapStringResult;
        String [] mapStringMappings = { "A", "E", "M", "S", "W", "Z" };
        String absorbInput; // To read a string after a number

        // Get values to map, from user input

        System.out.print("\nEnter an integer value to map: ");
        mapInt = scnr.nextInt();
        mapIntResult = getMapping(mapInt, mapIntMappings);

        System.out.print("\nEnter a double value to map: ");
        mapDouble = scnr.nextDouble();
        mapDoubleResult = getMapping(mapDouble, mapDoubleMappings);

        absorbInput = scnr.nextLine(); // Absorb the <Enter> from integer input
        System.out.print("\nEnter a string value to map: ");
        mapString = scnr.nextLine();
        mapStringResult = getMapping(mapString, mapStringMappings);
    }
}