Java Io stream updates file content, javaio stream updates

Source: Internet
Author: User

Java Io stream updates file content, javaio stream updates

Package com. hp. io;

Import java. io. FileOutputStream;

Import java. io. IOException;

Public class FileOutputStreamTest {

Public static void main (String [] args ){

FileOutputStream fos = null; // file output stream

Try {

String str = "java from getting started to giving up ";

Byte [] words = str. getBytes (); // create a transit storage byte

Fos = new FileOutputStream ("f: \ cmd.txt"); // You can select an existing file or write a file to automatically create one.

Fos. write (words, 0, words. length); // start to write the data size from 0 to the length of words in words. Note that the maximum value is not words. length-1.

System. out. println ("file updated ");

} Catch (IOException e ){

System. out. print ("An error occurred while creating the file ");

} Finally {

Try {

If (fos! = Null)

Fos. close ();

} Catch (IOException e ){

E. printStackTrace ();

}

}

}

}

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.