BufferedWriter not writing everything to its output file

Question

I have a Java program that reads some text from a file, line by line, and writes new text to an output file. But not all the text I write to my BufferedWriter a

Answer 1

You need to close your OutputStream which will flush the remainder of your data:

out.close();

The default buffer size for BufferedWriter is 8192 characters, large enough to easily hold hundreds of lines of unwritten data.