使用Hashmap统计String出现次数

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
/**
 * Created by IntelliJ IDEA.
 * User: mayday
 * Date: 12-3-23
 * Time: 下午8:39
 */
public class StringCount {
    public static void main(String[] args) {
        String t = "";
        int count;
        HashMap<String, Integer> strcount = new HashMap<String, Integer>();
        try {
            BufferedReader fs = new BufferedReader(new FileReader("read.txt"));
            do {
                t = fs.readLine();
                if (t == null) break;
                String[] str = t.split(" ");
                for (String st : str) {
                    if (strcount.containsKey(st)) {
                        count = strcount.get(st);
                        strcount.put(st, ++count);
                    } else {
                        strcount.put(st, 1);
                    }
                }
            }
            while (t != null);
        } catch (IOException e) {
            System.out.println(e.getMessage());
        }
        System.out.println(strcount);
    }
}