testbufferedoutputstream.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.s4;

import java.io.*;

//测试BufferedOutputStream类
public class TestBufferedOutputStream {
  public TestBufferedOutputStream() {
  }
  public static void main(String[] args) {
    try {
      String filename = "TestBufferedOutputStream.txt";
      File f = new File(filename);
      FileOutputStream outfile = new FileOutputStream(f);//打开要写入的数据文件
      //建立缓冲输出文件，并指定缓冲大小1024字节
      BufferedOutputStream out = new BufferedOutputStream(outfile, 1024);

      String msg = "this is a test";//测试数据
      byte[] ob = msg.getBytes();

      for (int i = 0; i < 10; i++)
          out.write(ob, 0, ob.length);//写入数据
      out.flush();//刷新流
      out.close();//关闭流
    } catch (IOException e) {
        e.printStackTrace();
    }
  }

}