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 ();

}

}

}

}

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