Click here to watch in Youtube :
https://www.youtube.com/watch?v=ujGc_2bB_Ec&list=UUhwKlOVR041tngjerWxVccw
ByteArrayInputStreamDemo.java
Outputhttps://www.youtube.com/watch?v=ujGc_2bB_Ec&list=UUhwKlOVR041tngjerWxVccw
ByteArrayInputStreamDemo.java
import java.io.ByteArrayInputStream; import java.io.IOException; /* * public int read(byte[] b, int off, int len) * * b - the buffer into which the data is read. * * off - the start offset in the destination * array b * * len - the maximum number of bytes * read. * * Reads up to len bytes of data into an array * of bytes from this input stream. */ public class ByteArrayInputStreamDemo { public static void main(String[] args) throws IOException { ByteArrayInputStream byteArrayInputStream = null; try { byte[] srcBuffer = new byte[10]; int j = 11; for (int i = 0; i < srcBuffer.length; i++) { srcBuffer[i] = (byte) j++; } System.out.println("All elements form srcBuffer:"); for (int i = 0; i < srcBuffer.length; i++) { System.out.print(srcBuffer[i] + " "); } byteArrayInputStream = new ByteArrayInputStream(srcBuffer); byte[] destBuffer = new byte[6]; /* * We put 4 first elements of the * ByteArrayInputStream instance * 'byteArrayInputStream' to the destBuffer * array, starting at the position with index 2. * This is why the two first indexes will be * '0'. */ byteArrayInputStream.read(destBuffer, 2, 4); System.out.println("\n\nAll elements form destBuffer:"); for (int i = 0; i < destBuffer.length; i++) { System.out.print(destBuffer[i] + " "); } } 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(); } } } }
All elements form srcBuffer: 11 12 13 14 15 16 17 18 19 20 All elements form destBuffer: 0 0 11 12 13 14
https://sites.google.com/site/ramj2eev1/home/javabasics/JavaIODemo_ByteArrayIS_Copy_to_DestArray_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/JavaIODemo_ByteArrayIS_Copy_to_DestArray_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/94d38fdd49b2d33c14c088526d40f902c21a1e0d/BasicJava/JavaIODemo_ByteArrayIS_Copy_to_DestArray_App/?at=master
See also:
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