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Tip of the Day
Language: Java
Expertise: Beginner
Aug 6, 2001

Appending Data to an Existing File


There is a constructor in the java.io.FileOutputStream class which can be used to append data to an existing file.
 
Usage:
public FileOutputStream(String name, boolean append) 
throws
FileNotFoundException
where:
name - the file name
append - if true, data will be written to the end of the file

So, if you wish to append to a file called fname.dat, you initialize a FileOutputStream object as follows:
 
FileOutputStream file = new FileOutputStream 
(
Sandeep Gain
 
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