Why bufferedwriter is used in java

Find the standard deviation. Reference Materials String. Start Learning Java. Explore Java Examples. Related Topics Java Writer Class. Java BufferedOutputStream Class. It extends the abstract class Writer. FileWriter; import java. Previous Tutorial:. Next Tutorial:. Share on:. Did you find this article helpful? Sorry about that. How can we improve it? Leave this field blank. Related Tutorials. Buffering can speed up IO quite a bit.

Rather than writing one character at a time to the network or disk, the BufferedWriter writes a larger block at a time. This is typically much faster, especially for disk access and larger data amounts. To add buffering to a Writer simply wrap it in a Java BufferedWriter. Here is how that looks:. This example creates a BufferedWriter which writes characters to a FileWriter. Simple, isn't it? You can set the buffer size to use internally by the Java BufferedWriter.

You provide the size as a constructor parameter, like this:. This example sets the internal buffer of the BufferedWriter to 8 KB. It is best to use buffer sizes that are multiples of bytes. That works best with most built-in buffering in hard disks etc. Except for adding buffering to your input streams, BufferedWriter behaves pretty much like a Writer. The BufferedWriter adds one extra method though: The newLine method which can write a new-line character to the underlying Writer.

In addition, you may need to call flush if you need to be absolutely sure that the characters written until now is flushed out of the buffer and onto the network or disk. The Java BufferedWriter write int method writes the lower 16 bit of the int to its internal buffer, as a single character.

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