Java FileOutputStream(String name, boolean append)建構函式範例

FileOutputStream的FileOutputStream(String name, boolean append)建構函式具有以下語法。

public FileOutputStream(String name,    boolean append)     throws FileNotFoundException

範例

在下面的程式碼顯示如何使用FileOutputStream.FileOutputStream(String name, boolean append)建構函式。

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

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

    byte b = 66;
    int i = 0;
    FileOutputStream fos = new FileOutputStream("C://test.txt",true);

    fos.write(b);// From:  W w w . y  iIb a I.C om 

    fos.flush();

    FileInputStream fis = new FileInputStream("C://test.txt");

    // read till the end of the file
    while ((i = fis.read()) != -1) {
      // convert integer to character
      char c = (char) i;

      System.out.print(c);
    }

  }
}