22.2

import java.io.File;
import java.io.FileNotFoundException;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;
import java.util.*;

public class S22_2 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Map<String,Integer> myMap = new TreeMap<String,Integer>();
        File myFile = new File("txt.txt");
        try {
            Scanner input = new Scanner(myFile);
            while(input.hasNext()){
                String str = input.next().toLowerCase();
                if(myMap.get(str) == null){
                    myMap.put(str, 1);
                } else {
                    int value = myMap.get(str).intValue();
                    value++;
                    myMap.put(str,value);
                }
            }
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        Set<Map.Entry<String, Integer>> entrySet = myMap.entrySet();    
        
        for(Map.Entry<String, Integer> entry:entrySet)
            System.out.println(entry.getKey() + "\t" +
        entry.getValue());            
    }

}