JAVA – How To APPEND To A Flat File (CSV, TEXT etc.)

Appending to a file.

The following example will APPEND the text “More Sample Text” to c:/test.csv.
If test.csv doesn’t already exist then it will be created

String fileName = “c:/test.csv”;
try {
BufferedWriter out = new BufferedWriter(new FileWriter(fileName , true));
out.write(“More Sample Text”);
out.close();
} catch (IOException e) {
}

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