How to write data with FileOutputStream without losing old data

Question

If you work with FileOutputStream methods  each time you write your file through this methods you ve been lost your old data  Is it possible to write file without losing your old data via FileOutputStream

User · Accepted Answer

Use the constructor that takes a File and a boolean  FileOutputStream File file  boolean append     and set the boolean to true  That way  the data you write will be appended to the end of the file  rather than overwriting what was already there

User · Answer

Use the constructor for appending material to the file   FileOutputStream File file  boolean append  Creates a file output stream to write to the file represented by the specified File object    So to append to a file say  abc txt  use   FileOutputStream fos new FileOutputStream new File  abc txt   true

[java] How to write data with FileOutputStream without losing old data?

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