字符串流stringReader

String info ="good good study day day up";
StringReader stringReader = new StringReader(info);

//流标记器,处理标记,例如空格

StreamTokenizer st = new StreamTokenizer(stringReader);

例子

import java.io.*;

public class file {

    public static void main(String[] args) {
        stringReader();
    }

    private static void stringReader() {
        String info ="good good study day day up";
        StringReader stringReader = new StringReader(info);
        //流标记器,处理标记,例如空格
        StreamTokenizer st = new StreamTokenizer(stringReader);
        int count = 0;
        while (st.ttype != StreamTokenizer.TT_EOF){
            try {
                if(st.nextToken() == StreamTokenizer.TT_WORD){
                    count ++ ;
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        stringReader.close();
        System.out.println("count="+count);
    }
}