JAVA EE: Java Tutorial : Java IO (BufferedInputStream constructor accepts inputstream and buffersize)

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myinputfile.txt

Peter is going to India.

BufferedInputStreamDemo.java

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;

/*
 * public BufferedInputStream(InputStream in, int size)
 * 
 * Parameters: 
 * -----------
 * 
 * in - the underlying input stream. 
 * size - the buffer size.
 */
public class BufferedInputStreamDemo
{

    public static void main(String[] args) throws IOException
    {
        BufferedInputStreamDemo bufferedInputStreamDemo = new BufferedInputStreamDemo();
        bufferedInputStreamDemo.readFile();
    }

    private void readFile() throws IOException
    {
        FileInputStream fileInputStream = null;
        BufferedInputStream bufferedInputStream = null;

        try
        {
            fileInputStream = new FileInputStream("myinputfile.txt");
            int bufferSize = 8 * 1024;
            /*
             * Creates a BufferedInputStream with the
             * specified buffer size
             */
            bufferedInputStream = new BufferedInputStream(fileInputStream,bufferSize);

            int i;
            while ((i = bufferedInputStream.read()) != -1)
            {
                System.out.print((char) i);
            }
        }

        finally
        {
            if (fileInputStream != null)
            {
                fileInputStream.close();
            }
            if (bufferedInputStream != null)
            {
                bufferedInputStream.close();
            }
        }
    }
}