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 ();
}
}
}
}