teststringreader.java

本书是一本为Java学习者在基础内容学习结束后进行课程设计时提供参考的指导书

package apibook.c3.s7;

import java.io.*;

//测试StringReader类
public class TestStringReader {
  public TestStringReader() {
  }
  public static void main(String[] args) {
    Reader in;
    String filename = "TestStringReader.txt";
    in = new StringReader(filename);//打开

    long sum = 0;
    try {
        int c;
        while ((c = in.read()) >= 0)//读取数据
            sum += c;//计算总和
    } catch (IOException e) {
    }

    System.out.println("Count result:" + sum);//输出结果
    try {
        in.close();//关闭
    } catch (IOException e) {}
  }

}