WebFeb 9, 2014 · You write two lines, which due to buffering are stored in memory. You then read from the file, which has nothing written to it yet. Then you close the writer, causing the buffers to flush, adding the contents to the file. To force flushing before you read, you can use bufferedWriter.flush (), or close it. Share Improve this answer Follow WebThe java.io.BufferedWriter.flush() method flushes the characters from a write buffer to the character or byte stream as an intended destination. Declaration. Following is the …

What is the use of in flush() and close() methods of BufferedWriter ...

Web6 rows · public class BufferedWriter extends Writer. ... WebNov 8, 2016 · However if you want to write down in file irrespective of buffer is full or not there is a method flush () that you can use that will resolve your issue. Now let's consider your case : When you call close () method, it internally calls flush () method and then proceed further for closing that buffer. healthy longevity definition

What is the use of in flush() and close() methods of BufferedWriter ...

WebJul 16, 2015 · With buffered writers the method close call explicitly flush. So you need to call flush when you like to write the data before closing the stream and before the buffer is full (when the buffer is full the writer starts writing without waiting a flush call). The source code of class FileOutputStream hasn't a custom version of method flush. WebAug 1, 2024 · The flush() method. While you are trying to write data to a Stream using the BufferedWriter object, after invoking the write() method the data will be buffered … WebAug 30, 2014 · 1 Answer Sorted by: 5 BufferedWriter wraps a target Writer. When you close () it, it attempts to flush the underlying target Writer before closing it. In your code, you invoke close () on the target FileWriter before invoking close on the BufferedWriter. healthy long lasting nail polish