从File对象创建FileOutputStream对象

 

import java.io.File;//时 代 J a v a 公 众 号 - nowjava.com

import java.io.FileNotFoundException;

import java.io.FileOutputStream;


public class Main {


  public static void main(String[] args) {


    File file = new File("C:/Folder/demo.txt");


    try {

      FileOutputStream fos = new FileOutputStream(file);

    } catch (FileNotFoundException ex) {

      System.out.println("Exception : " + ex);

    }

  }

}