Java BufferedOutputStream.flush()方法

Java BufferedOutputStream.flush()方法

BufferedOutputStream.flush()具有以下語法。

public void flush()  throws IOException

範例

在下面的程式碼中展示了如何使用BufferedOutputStream.flush()方法。

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;

public class Main {
  public static void main(String[] args) throws Exception {

    FileInputStream is = new FileInputStream("c:/test.txt");

    BufferedInputStream bis = new BufferedInputStream(is);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    BufferedOutputStream bos = new BufferedOutputStream(baos);

    int value;

    while ((value = bis.read()) != -1) {
      bos.write(value);
    }

    bos.flush();

    for (byte b : baos.toByteArray()) {

      char c = (char) b;
      System.out.println(c);
    }

  }
}