java.io.BufferedOutputStream Example in Java

By Arvind Rai, September 27, 2013

java.io.BufferedOutputStream writes byte array into a file system. BufferedOutputStream takes input as FileOutputStream. The data which needs to be written in a file should be byte array. In our example, I have a string and I change that string into byte array and wrote it into a file with the help of FileOutputStream.

BufferedOutputStreamDemo.java

package com.concretepage.io;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
public class BufferedOutputStreamDemo {
  public static void main(String[] args) {
      File file = new File("C:\\test.txt");
      BufferedOutputStream bos = null;
      try {
        bos = new BufferedOutputStream(new FileOutputStream(file));
        String s = "Hello World!";
        bos.write(s.getBytes());
      } catch (IOException e) {
         e.printStackTrace();
      }finally {
          try {
              bos.close();
            } catch (IOException ex) {
              ex.printStackTrace();
            }
       }
      System.out.println("Done");
   }
}

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