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How to truncate a file in Java?
The flush() method of the FileWriter class flushes the contents of the file. You can use this method to truncate a file.
Example
import java.io.File;
import java.io.FileWriter;
public class FileTruncate {
public static void main(String args[]) throws Exception {
File file = new File("myData");
FileWriter fw = new FileWriter(file, false);
fw.flush();
System.out.println("File truncated");
}
}Output
File truncated
Updated on: 20-Feb-2020
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