Java tutorial
import java.io.*; public class Main { public static void main(String[] args) { byte[] arrByte = new byte[1024]; byte[] byteArray = new byte[] { 'j', 'a', 'v', 'a', '2', 's', '.', 'c', 'o', 'm' }; // create object of PushbackInputStream class for specified stream InputStream is = new ByteArrayInputStream(byteArray); PushbackInputStream pis = new PushbackInputStream(is); try { // read a char into our array pis.read(arrByte, 0, 3); // print arrByte for (int i = 0; i < 3; i++) { System.out.println((char) arrByte[i]); } } catch (Exception ex) { ex.printStackTrace(); } } }