Java Tutorial : Java IO (ByteArrayInputStream Read ByteArray numbers)

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ByteArrayInputStreamDemo.java

import java.io.ByteArrayInputStream;
import java.io.IOException;

public class ByteArrayInputStreamDemo
{

    public static void main(String[] args) throws IOException
    {
        ByteArrayInputStream byteArrayInputStream = null;

        try
        {
            byte[] buffer = new byte[5];

            for (int i = 0; i < buffer.length; i++)
            {
                buffer[i] = (byte) i;
            }

            byteArrayInputStream = new ByteArrayInputStream(buffer);

            System.out.println("All the elements in the buffer:");

            int num;
            /*
             * Read every number inside the buffer using the
             * read() method, which returns -1 if the end of
             * the buffer is reached.
             */
            while ((num = byteArrayInputStream.read()) != -1)
            {
                System.out.print(num + " ");
            }
        }
        finally
        {
            if (byteArrayInputStream != null)
            {
                /*
                 * Closing a ByteArrayInputStream has no
                 * effect. The methods in this class can be
                 * called after the stream has been closed
                 * without generating an IOException.
                 */
                byteArrayInputStream.close();
            }
        }

    }
}

Output

All the elements in the buffer:
0 1 2 3 4 

Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/JavaIODemo_ByteArrayIS_Read_ByteArray_Num_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/JavaIODemo_ByteArrayIS_Read_ByteArray_Num_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/94d38fdd49b2d33c14c088526d40f902c21a1e0d/BasicJava/JavaIODemo_ByteArrayIS_Read_ByteArray_Num_App/?at=master

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