How to write to File in Java using BufferedWriter

You can use either OutputStream or Writer class in Java to write data to a file in Java. For example, you can use a combination of FileWriter and BufferedWriter to write text content into a text file in Java. If you want to write raw bytes consider using FileOutputStream class. Just remember that InputStream is used to read data and OutputStream is used to write data to file or socket. You can write anything to file e.g. String, integer, float values etc. Java provides DataOutputStream to write different data type directly into file e.g. writeInt() to write integer values, writeFloat() to write floating point values into file and writeUTF() to write String into File.  BufferedWriter, like its counterpart BufferedReader, allows you to perform buffered IO, which can drastically improve performance while reading large files.

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