HashMap w/ String and integer key

gistfile1.java

import java.util.*;

public class FooMap
{
    public static void main(String[] args)
    {
        HashMap<String,String> data = 
            new HashMap<String,String>();

        String k1 = "A" + 1;
        data.put(k1, "This is at A1");

        String k2 = "B" + 2;
        data.put(k2, "This is at B2");

        System.out.format("Data at B2: [%s]\n", data.get("B"+2));
    }
}